Therefore, the x-coordinate is 1/2.
What is coordinate?A coordinate is a value that represents a point's position in a given system of reference. In two-dimensional (2D) space, coordinates typically consist of two values, x and y, that represent the point's position along the horizontal and vertical axes, respectively.
Given by the question.
To find the x-coordinate of the point where the terminal side intersects the unit circle, we first need to determine the quadrant in which the terminal side lies based on the angle measure of 60 degrees.
Since 60 degrees is in the first quadrant (0 to 90 degrees), the x-coordinate will be positive.
Next, we can use the fact that the terminal side intersects the unit circle, which means its distance from the origin is 1.
Since the angle measure is 60 degrees, we can construct a right triangle with the terminal side as the hypotenuse, and one leg parallel to the x-axis.
The opposite side to the angle t will be sin (60), and the adjacent side to the angle t will be cos (60).
Using the trigonometric identity cos (60) = 1/2, we can see that the x-coordinate of the point where the terminal side intersects the unit circle is: cos (60) = 1/2.
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(HELP ASAPPP)
Rose plans to have two children but doesn't know if they will be boy-boy, girl-girl, girl-boy, or boy-girl. What is the probability that she will have
boy-girl?
A: 0.5
B: 0.75
C: 0.25
D: 1.00
Answer:
liv
Step-by-step explanation:
3 Cassie wants to determine the length of the shadow that a 60-foot tall telephone pole casts without measuring it. If Cassie's mailbox, which is 42 inches in height, casts a shadow that is 31.5 inches in length, how long is the shadow that the telephone pole casts? A. 43 feet B. 45 feet C. 52 feet D. 55 feet
The answer is (B) 45 feet
Step-by-step explanation:
We can use proportions to solve this problem.
Let x be the length of the shadow cast by the telephone pole. Then we have:
(42 / 31.5) = (60 / x)
We can cross-multiply to get:
42x = 31.5 * 60
Simplifying this equation, we get:
x = (31.5 * 60) / 42
x = 45 feet
Therefore, the length of the shadow that the telephone pole casts is 45 feet.
I will mark you brainiest!
If AB = 35,BC = 15, and EF = 60, then the value of DE IS
A) 140
B) 180
C) 200
D) 210
AB/BC = DE/EF
35/15 = DE/60
DE = 35*60 / 15
DE = 140
answer
A 140
Which of the following completes the equation 30 100 + 9 10 ?
The expression that completes the equation the result of 30/100 + 9/10 is 1.2.
What fundamental equation format is used?The typical form for linear equations with two variables is Ax+By=C. For instance, the linear equation 2x+3y=5 is in standard form. When attempting to solve problems containing two linear equations, this form is also quite helpful.
We must multiply the values of 30 and 100, then add the resulting product to the resulting product of the values of 9 and 10 in order to complete the equation 30 100 + 9 10.
The result of multiplying 30 by 100 is:
30 x 100 = 3000
The result of adding 9 and 10 is:
9 x 10 = 90
Thus, we must combine these two items to finish the equation:
3000 + 90 = 3090
30100 + 910 = 3090, which is the expression that completes the equation.
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the complete question is:
complete the equation
[tex]\frac{30}{100}+\frac{9}{10}[/tex]
Answer:
The answer is 39/100
Step-by-step explanation: Nothing more.
Help asap will give brainiest
Use the image to determine the line of reflection.
4
3
2
1
0
?
Ty
5
-6
-7
-8
-9
-10
1
2
B
A
A
3₂
Α',
В'
4
E
5
E
6
с
Reflection across x = 6
D'
Reflection across the x-axis
Reflection across y = -3
C₁
Reflection across the y-axis
Answer: D
Step-by-step explanation: so if we look at the picture, youll notice 2 things right off the bat, firstly, the top shape goes over the y axis, so that wont work, secondly, the shapes are on the same side of the x axis (the positive side) so that wouldnt work, the last thing we now have to look at is making the shapes even, essentially if you were to flip one shape over a certain distance, the mirrored shape needs to be the same distance you flipped the first shape. In this case, if we flip shape 1, over -3, the other shape will be 6 spaces away from the 1st shape, because you need to also move the second shape 3 spaces away from where you flipped the first shape.
side note: reflecting over the x axis or y axis, means the line of reflection is equal to 0 on either the y axis or x axis
To try to make this less confusing, another way to find the reflection is by evenly counting the shapes to the middle, how-ever many squares/spaces it takes for both shapes to reach the center of the two in this case, is how many spaces they are reflected.
The image undergoes a reflection at y=-3, Option D is correct.
What is Graph?Graph is a mathematical representation of a network and it describes the relationship between lines and points.
A translation is a movement of the graph either horizontally parallel to the -axis or vertically parallel to the -axis.
Reflections are congruence transformations that generate a mirror image of an object, without changing its size or shape.
In the given figure the above image is original and it is flipped to form the image which is below the x axis.
In this case, if we flip shape 1, over -3, the other shape will be 6 spaces away from the 1st shape, because you need to also move the second shape 3 spaces away from where you flipped the first shape.
Hence, the image undergoes a reflection over y axis which is at y=-3.
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A company manufactures aluminum mailboxes in the shape of a box with a half-cylinder top. The company will make 1728 mailboxes this week. If each mailbox has dimensions as shown in the figure below, how many square meters of aluminum will be needed to make these mailboxes? In your calculations, use the value 3.14 for X, and round up your answer to the next square meter.?
Answer:
1759 square meters
Step-by-step explanation:
You want the surface area of a cuboid with a half-cylinder top.
Lateral areaThe lateral area of the figure is the product of the length of the mailbox (0.45 m) and the perimeter of the end. The perimeter of the end is the sum of the lengths of the straight sides and half the circumference of a circle with diameter 0.3 m.
P = 0.3 + 2·0.4 + π/2(0.3) = 1.571 . . . . . meters
LA = Ph = (1.571 m)(0.45 m) = 0.70695 m²
End areaThe end area is twice the area of the rectangular portion of the end, plus the area of a circle 0.3 m in diameter.
EA = (0.3 m)(0.4 m) + 3.14(0.3/2 m)² = 0.31065 m²
Total areaThe total area of 1 mailbox is ...
LA +EA = 0.70695 m² +0.31065 m² = 1.0176 m²
Then the area of 1728 mailboxes is ...
1728 × 1.0176 m² ≈ 1758.4 m² ≈ 1759 m²
About 1759 square meters of aluminum will be needed for the 1728 mailboxes.
__
Additional comment
This presumes there is no waste in cutting the semicircular shape from the supplied aluminum.
HELP
7th Grade Math Solving Equations
4. a-9=15
5. n-9=13
6. b-8=9
7. X-5=16
8. n-6=17
Answer:
4.
a-9=15
or. a=15+9
or. a=24
5.
n-9=13
or. n=13+9
or. n=22
6.
b-8=9
or. b=9+8
or. b=17
7
x-5=16
or. X=16+5
or X=21
8
n-6=17
or. n= 17+6
or. n=23
Step-by-step explanation:
minus sign changes into plus sign when changing sides
The slope of a line is undefined, and the x-intercept is -7. What is the equation of the line?
Oy=-7
Ox=-7
Oy=-7x
Answer:
"Undefined slope"
Step-by-step explanation:
The line is vertical on the graph.
Every point on the line has the same x-coordinate.
If the line crosses the x-axis where x=-7, then the
x-coordinate of every point on the line is -7, and the
equation of the line is
x = -7 .
Hodgman Honest is evaluating a new project for her firm, Basket Wonders (BW). She has determined that the after-tax cash flows for the project will be $10,000; $12,000; $15,000; $10,000; and $7,000, respectively, for each of the Years I through 5. The initial cash outlay will be $40.000. For this project, assume that it is independent of any other potential projects that Basket Wonders may undertake. The management of Basket Wonders has set a maximum PBP of 3.5 years for projects of this type. Required: Evaluate this project using payback period technique and advise the management accordingly.
Answer:
To calculate the payback period (PBP) for this project, we need to determine how long it will take for the initial cash outlay of $40,000 to be recovered from the after-tax cash flows.
Year 1 cash flow = $10,000
Year 2 cash flow = $12,000
Year 3 cash flow = $15,000
Year 4 cash flow = $10,000
Year 5 cash flow = $7,000
Total cash inflows for year 1 and year 2 = $10,000 + $12,000 = $22,000
Total cash inflows for year 3 = $15,000
Total cash inflows for year 4 = $10,000
Total cash inflows for year 5 = $7,000
Cumulative cash inflows for year 1 and year 2 = $22,000
Cumulative cash inflows for year 3 = $37,000
Cumulative cash inflows for year 4 = $47,000
Cumulative cash inflows for year 5 = $54,000
It can be seen that the cumulative cash inflows reach the initial cash outlay of $40,000 after year 2, and therefore the payback period for this project is 2 years. Since the payback period is less than the maximum PBP of 3.5 years set by management, this project can be considered acceptable.
So, Hodgman Honest should recommend that Basket Wonders should accept this project as it has a payback period of only 2 years, which is less than the maximum PBP of 3.5 years set by management.
BEAINEST IF CORRECT
if x= 60 would they be similar or not? explain ur answer.
Answer: no they wouldn't be similar
Step-by-step explanation: if x=60 if triangle 1 then the third angle would be (180-(58+60)) =180-118=62
if we decide to calculate the third angle in triangle 2 we will have 180-(50+58) = 180-108=72
therefore not all angles in 1 are similar to angles in 2 so the triangles aren't similar
Answer ASAP ASAP its in photo
Answer:x=11.42
Step-by-step explanation:
[tex]\frac{35}{20} =\frac{20}{x}[/tex]
[tex]35x=400[/tex]
[tex]X=11.42[/tex]
Find the least common multiple of 44 , 18and 4 ?
A 3,168
B 66
C 396
D 792
E none of these answers are correct
Please help!!
Answer:
C. 396
Step-by-step explanation:
You want the LCM of 4, 18, and 44.
LCMYou can find the least common multiple by considering the unique factors to their highest powers.
4 = 2^2
18 = 2·3^2
44 = 2^2·11
The unique factors are 2, 3, 11, and their highest powers are 2, 2, and 1, respectively. The LCM is ...
2² × 3² × 11 = 396
__
Check
396 = 4·99 = 18·22 = 44·9 . . . . . 99, 22, and 9 have no common factors
What is the meaning of "finite sequences"?
A finite sequence is a sequence with a finite number of elements, that is, a sequence that has a definite beginning and end.
Describe Sequence?In mathematics, a sequence is a set of numbers, arranged in a particular order. Each number in the sequence is called a term or element of the sequence, and is identified by its position or index in the sequence. For example, the sequence of natural numbers 1, 2, 3, 4, 5, ... can be represented as {a_n}, where a_1 = 1, a_2 = 2, a_3 = 3, and so on.
A sequence can be either finite or infinite. A finite sequence has a fixed number of terms, while an infinite sequence continues indefinitely. A sequence can also be arithmetic, geometric, or neither.
An arithmetic sequence is a sequence in which each term is obtained by adding a constant value, called the common difference, to the previous term. For example, the sequence 2, 5, 8, 11, 14, ... is an arithmetic sequence with a common difference of 3.
In mathematics, a sequence is an ordered list of elements, typically numbers or other mathematical objects, that are written in a particular order. A finite sequence is a sequence with a finite number of elements, that is, a sequence that has a definite beginning and end.
For example, the sequence {1, 2, 3, 4, 5} is a finite sequence of five elements. The first element is 1, the second element is 2, and so on, until the last element, which is 5. The sequence {1, 1/2, 1/4, 1/8, 1/16} is another example of a finite sequence, this time of decreasing terms.
Finite sequences are used in many areas of mathematics, including algebra, calculus, and number theory. They are often studied in their own right, and their properties and patterns can be used to solve problems and prove theorems.
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Determina analítica y geométricamente el vector que inicia en el punto P(3,3) y termina en el punto
Q(-2,2), da el vector de igual magnitud y sentido contrario al vector anterior.
After answering the presented question, we can conclude that The vector expression of equal magnitude and opposite direction to [tex]\vec{PQ}[/tex] is the same arrow but pointing in the opposite direction: QP vector
What is expression?An expression in mathematics is a collection of representations, digits, and conglomerates that mimic a statistical correlation or regularity. A real number, a mutable, or a combination of the two can be used as an expression.
Mathematical operators include addition, subtraction, rapid spread, division, and exponentiation. Expressions are often used in arithmetic, mathematics, and form.
They are employed in the representation of mathematical formulas, the solving of equations, and the simplification of mathematical relationships.
To find the vector that starts at [tex]P[/tex] [tex](3,3)[/tex] and ends at [tex]Q(-2,2)[/tex] , we can subtract the coordinates of the starting point from the coordinates of the ending point:
[tex]$\vec{PQ} = \begin{pmatrix} -2 \ 2 \end{pmatrix} - \begin{pmatrix} 3 \ 3 \end{pmatrix} = \begin{pmatrix} -5 \ -1 \end{pmatrix}$[/tex]
So the vector that starts at P(3,3) and ends at [tex]Q(-2,2) is $\vec{PQ} = \begin{pmatrix} -5 \ -1 \end{pmatrix}$.[/tex]
To find the vector of equal magnitude and opposite sense to , we can simply multiply [tex]$\vec{PQ}$[/tex] by [tex]-1:[/tex]
[tex]$-\vec{PQ} = -1 \begin{pmatrix} -5 \ -1 \end{pmatrix} = \begin{pmatrix} 5 \ 1 \end{pmatrix}$[/tex]
So the vector of equal magnitude and opposite sense to [tex]$\vec{PQ}$[/tex] is [tex]$\begin{pmatrix} 5 \ 1 \end{pmatrix}$.[/tex]
Geometrically, we can represent the vectors graphic[tex]$\vec{PQ}$[/tex]ally by drawing them as directed line segments on a coordinate plane. The vector that starts at [tex]P(3,3)[/tex] and ends at [tex]Q(-2,2)[/tex] is represented by the line segment connecting [tex]P[/tex] to [tex]Q[/tex].
Therefore, The vector of equal magnitude and opposite sense to [tex]$\vec{PQ}$[/tex][tex]$\vec{PQ}$[/tex] is represented by the line segment starting at [tex]Q[/tex] and ending at the point R, which is [tex]5[/tex] units to the right and [tex]1[/tex] unit up from [tex]Q[/tex].
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A sequence of transformations occurred to create the two similar polygons. Provide a specific set of steps that can be used to create the image from the pre-image with one, two, or three transformations.
In response to the stated question, we may state that Apply a 1.5 scale expressions factor dilation with the Centre of dilatation at point A.
what is expression ?An expression in mathematics is a collection of numbers, variables, and mathematical (such as addition, reduction, multiplication, division, exponentiation, etc.) that express a quantity or value. Expressions might be as basic as "3 + 4" or as complicated as "(3x2 - 2) / (x + 1)". They may also contain functions like "sin(x)" or "log(y)". Expressions can also be evaluated by substituting values for the variables and performing the mathematical operations in the order specified. If x = 2, for example, the formula "3x + 5" equals 3(2) + 5 = 11. Expressions are commonly used in mathematics to describe real-world situations, construct equations, and simplify complicated mathematical topics.
We must use one or more transformations to construct the second polygon from the first. Below are three sets of procedures for making the second polygon from the first using one, two, or three transformations:
One modification:
Begin with a pre-image polygon.
Apply a 1.5 scale factor dilation with the centre of dilatation at point A.
There are two transformations:
Three transformations are possible:
Begin with a pre-image polygon.
Put a reflection over the line that connects points A and B.
Apply a 45-degree anticlockwise rotation with the centre of rotation at point A.
Apply a 1.5 scale factor dilation with the centre of dilatation at point A.
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3
Select the correct answer.
What is the simplified form of 3√7-5√7?
OA. -2√7
OB. 2√7
OC. -√14
OD. 15√7
Answer: A. -2√7
Step-by-step explanation:
3√7 - 5√7
= -2√7
In simplest radical form, what are the solutions to the quadratic equation 0 = –3^2 – 4x + 4
Answer: x = -2, [tex]\frac{2 }{3}[/tex]
Step-by-step explanation:
Given:
0 = –3x² – 4x + 4
The quadratic formula:
[tex]\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex]
Substitute known values:
* a = -3, b = -4, c = 4
[tex]\displaystyle x=\frac{-(-4)\pm\sqrt{(-4)^2-4(-3)(4)} }{2(-3)}[/tex]
Simplify with multiplication:
[tex]\displaystyle x=\frac{4\pm\sqrt{16+48} }{-6}[/tex]
Simplify:
[tex]\displaystyle x=\frac{4\pm\sqrt{64} }{-6}[/tex]
[tex]\displaystyle x=\frac{4+8 }{-6}[/tex], [tex]\displaystyle x=\frac{4-8 }{-6}[/tex]
[tex]\displaystyle x=\frac{12 }{-6}[/tex], [tex]\displaystyle x=\frac{-4 }{-6}[/tex]
How many solutions does the system of nonlinear equations graphed below
have?
A. Zero
B. Several
C. Infinite
D. One
Hence, the system with nonlinear equations may contain one of these kinds of answers, depending on the particular equations and their graph.
How do nonlinear equations work?Unable to form a straight line is a non-linear equation. With a fluctuating slope value, it resembles a graphed curve.
In general, there can be zero, one, many, or an infinite number of solutions to a system of nonlinear equations. It depends on the particular equations and how those interact with one another.
The problem has zero solutions if there are no values of the parameters that satisfy both equations, which occurs when the equations are inconsistant.
A single solution exists for the system if the equations cross at that point.
The system has multiple solutions if the equations cross more than once.
The system has an infinite number of solutions if the equations all describe the same curve.
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A standard die is rolled. Find the probability that the number rolled is greater than 3
. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.
Rolling a number higher than 3 has a 2/6 or 1/3 chance of happening. Another way to say this is to round a decimal to the closest millionth, which is [tex]0.333333[/tex] .
What is the fraction in the lowest terms?A standard die has 6 sides, labelled with the numbers 1 through 6. When the die is rolled, each side has an equal probability of landing face up.
Since we want to find the probability of rolling a number greater than 3, we need to determine the number of outcomes that satisfy this condition and divide it by the total number of possible outcomes.
When you roll a standard die, there are six equally likely outcomes: 1, 2, 3, 4, 5, and 6. Since we want to find the probability of rolling a number greater than 3, we need to count how many of these outcomes satisfy that condition.
Therefore, the probability of rolling a number greater than 3 is 2/6 or 1/3. Alternatively, we could express this as a decimal rounded to the nearest millionth, which would be [tex]0.333333[/tex] .
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The amount of time to complete a physical activity in a PE class is normally distributed with a mean of 34.7
seconds and a standard deviation of 7.6 seconds. Round answers to 4 decimal places.
a) What is the probability that a randomly chosen student completes the activity in less than 30.1 seconds?
b) What is the probability that a randomly chosen student completes the activity in more than 38.1
seconds?
c) What proportion of students take between 30.9 and 38.5 seconds to complete the activity?
d) 90% of all students finish the activity in less than
seconds.
Answer:
a) To find the probability that a randomly chosen student completes the activity in less than 30.1 seconds, we need to standardize the value using the formula z = (x - mu) / sigma, where x is the time taken, mu is the mean, sigma is the standard deviation, and z is the standard normal variable.
z = (30.1 - 34.7) / 7.6 = -0.6053
Using a standard normal distribution table or calculator, we find that the probability of a standard normal variable being less than -0.6053 is 0.2739.
Therefore, the probability that a randomly chosen student completes the activity in less than 30.1 seconds is 0.2739.
b) To find the probability that a randomly chosen student completes the activity in more than 38.1 seconds, we need to standardize the value using the same formula.
z = (38.1 - 34.7) / 7.6 = 0.4474
Using a standard normal distribution table or calculator, we find that the probability of a standard normal variable being greater than 0.4474 is 0.3274.
Therefore, the probability that a randomly chosen student completes the activity in more than 38.1 seconds is 0.3274.
c) To find the proportion of students taking between 30.9 and 38.5 seconds, we need to standardize both values and then find the area between them in the standard normal distribution.
z1 = (30.9 - 34.7) / 7.6 = -0.5
z2 = (38.5 - 34.7) / 7.6 = 0.5
Using a standard normal distribution table or calculator, we find that the probability of a standard normal variable being between -0.5 and 0.5 is 0.3830.
Therefore, the proportion of students taking between 30.9 and 38.5 seconds to complete the activity is 0.3830.
d) To find the time taken by 90% of all students to finish the activity, we need to find the z-value corresponding to the 90th percentile of the standard normal distribution using a standard normal distribution table or calculator.
The z-value corresponding to the 90th percentile is approximately 1.28.
Now, we can use the formula z = (x - mu) / sigma to find the corresponding time value.
1.28 = (x - 34.7) / 7.6
x - 34.7 = 1.28 * 7.6
x - 34.7 = 9.728
x = 44.428
Therefore, 90% of all students finish the activity in less than 44.428 seconds.
Match each expression to its equivalent expression.
Answer: top two goes together, middle left goes to bottom right, bottom left goes to middle right
Step-by-step explanation:
Substitute x for an easy number like 2 and solve.
x - 2/3 - 1/2x = 1/2x - 2/3
x - 1/2 - 3/4x = 1/4x- 1/2
1/3x - 3/4 - 2/3x = -1/3x - 3/4
A baseball rolls off a 0.7m high desk and strikes the floor 0.25m away from the base of the desk. How long will it take for the ball to hit the ground?
Answer: 2.45 m/s.
acceleration due to gravity 9.8 m/s
A student wants to investigate the chemical changes that a piece of wood undergoes when it is burned. He believes wood that burns for 15 minutes will weigh less than unburned wood. Design a laboratory experiment that would allow the student to test his predictions, using appropriate equipment and technology. Be sure to consider safety requirements in your answer.
Answer:
Experimental Procedure:
Materials:
Piece of wood
Electronic balance
Bunsen burner
Heat-resistant mat
Stopwatch or timer
Safety goggles
Lab coat
Safety Precautions:
Wear safety goggles and a lab coat to protect your eyes and clothing from any sparks or flames.
Place the heat-resistant mat under the Bunsen burner to prevent any accidental fires.
Use the Bunsen burner only under adult supervision.
Be cautious when handling hot objects, and allow them to cool before touching.
Procedure:
Measure the initial mass of the piece of wood using an electronic balance, and record it in a table.
Light the Bunsen burner, and place the piece of wood over the flame using tongs. Ensure that the wood is fully engulfed in the flame.
Use a stopwatch or timer to time how long the wood burns for (in this case, 15 minutes).
After 15 minutes, turn off the Bunsen burner and remove the piece of wood from the flame using tongs.
Allow the wood to cool, and then measure its final mass using the electronic balance, and record it in the table.
Calculate the difference between the initial and final mass of the wood, and record it in the table.
Repeat steps 1-6 three times to obtain three sets of data.
Calculate the average mass of the burned wood and compare it to the initial mass of the unburned wood to determine if the student's prediction was correct.
Conclusion:
If the average mass of the burned wood is less than the initial mass of the unburned wood, the student's prediction was correct, and he can conclude that the wood underwent a chemical change when it was burned. If the average mass is greater than or equal to the initial mass, the prediction was incorrect, and the student may need to revise his hypothesis or experimental design.
im confused can anyone help me on this question?
Answer:
7
Step-by-step explanation:
if you add 7 4's you get 28.
4+4=8+4=12+4=16+4=20+4=24+4=28
now if you count all the single 4's then you will get 7
supposed Yins employer will match ip to 6% of Yins contributions to her 401(k). Her starting salary with the company is 50,000 per year. The company allows her to make contributions to her 401(k) up to a maximum of 15% of her salary
If Yin makes the maximum salary contribution to her 401(k), she will have made a total of $7,950.
How do I calculate percentage?Divide the part by the entire and multiply the result by 100 to obtain the percentage. A number can be expressed as a fraction of 100 by using the percentage, in other words.
If, for instance, there were 50 students in the class and 35 of them passed the test, and you want to know what percentage of those students passed the test, you may determine it by using the formula below.
% = (Number of students who passed / Total number of students) x 100 % = (35 / 50) x 100 % = 0.7 x 100 %
Percentage = 0.7 x 100
Percentage = 70%
If Yin may contribute up to 15% of her annual earnings to her 401(k) and her beginning salary is $50,000, her maximum annual contribution would be:
Maximum donation is = 15% of $50,000.
Maximum donation is 0.15 times $50,000.
Maximum annual contribution = $7,500
Given that Yin's company will match up to 6% of her contributions, the maximum amount they might contribute annually is:
6% of $50,000 is the employer's contribution.
Employer contribution equals 0.6 times $50,000.
Annual employer contribution equals $3,000.
Hence, Yin's company will pay an additional $3,000 year if she contributes the maximum of $7,500 to her 401(k). Yin will contribute a total of $10,500 per year to her 401(k) ($7,500 + $3,000). (k).
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Which set of numbers has a greatest common factor of 12?
A. 3 and 4
B. 6 and 18
C. 32 and 48
D. 36 and 96
Show your work.
The set of numbers 36 and 96 has a greatest common factor of 12.
Explanation:
The greatest common factor (GCF) of a set of numbers is the largest number that can evenly divide all the numbers in the set. To find the GCF, we can list all the factors of each number and find the largest one they have in common.
For set A, the factors of 3 are 1 and 3, and the factors of 4 are 1, 2, and 4. There is no common factor greater than 1.
For set B, the factors of 6 are 1, 2, 3, and 6, and the factors of 18 are 1, 2, 3, 6, 9, and 18. The largest factor they have in common is 6.
For set C, the factors of 32 are 1, 2, 4, 8, 16, and 32, and the factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48. The largest factor they have in common is 16.
For set D, the factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36, and the factors of 96 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, and 96. The largest factor they have in common is 12.
Therefore, set D, consisting of the numbers 36 and 96, has a greatest common factor of 12.
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Soils
there are different types of soil, each with its own set of characteristics. Soil is made of layers, or horizons. You can dig into the ground to see the soil horizons, much like the picture seen here. When you put the horizons together, from top to bottom, you create a soil profile. A soil profile tells a story about the area and the type of life growing there. Most soils have three major horizons, A, B, C, and some have an organic horizon, O.
O -Humus: Mostly organic matter such as decomposing leaves; is thin in some soils, thick in others, or not present at all.
A -Topsoil: Mostly minerals from parent material with organic matter incorporated; good material for plants to live.
B - Subsoil: Rich in minerals that leached upper layers.
C - Parent material: The deposit at Earth’s surface from which the soil developed.
The illustration is a typical soil profile. How would you expect the soil profile to change in a mountainous region?
a
Horizon O would not be present because plants do not grow on mountains.
b
Horizon C would be much deeper because of the bedrock in the mountain itself.
c
Horizon A would be less deep since there would be less topsoil due to erosion.
d
Horizons O, A, and B would be gone because of high winds.
c) Horizon A would be less deep since there would be less topsoil due to erosion.
how to find soil profile?the soil profile in a mountainous region would typically be different from the one shown in the illustration, because the soil formation process is affected by different factors such as climate, vegetation, topography, and parent material.
In a mountainous region, the soil profile is likely to be thinner and shallower than in flat areas, due to the steep slopes and higher erosion rates. The topsoil horizon (A) may also be thinner or absent in some areas due to erosion or limited plant growth, which can make it difficult for organic matter to accumulate. In addition, the subsoil horizon (B) may be more prominent and closer to the surface due to the leaching of minerals from the upper layers, which can result in a more rocky and mineral-rich soil.
Therefore, the correct answer would be:
c) Horizon A would be less deep since there would be less topsoil due to erosion.
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how many solutions does it have?
2y=2x
Y=x
For the system of equations 2y = 2x and y = x, there are infinite number of solutions.
What is an equation?
A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").
The system of equations given by 2y = 2x and y = x can be solved by substituting y = x into the first equation -
2y = 2x
Substituting y = x, we get -
2x = 2x
Now, on simplifying, we get -
x = x
The equation x = x is true for all values of x.
Therefore, there are infinitely many solutions to this system of equations.
In geometric terms, the two equations represent two lines in the coordinate plane that intersect at every point on the line y = x.
Therefore, the number of solutions is infinite.
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Need help pls
geometry
#23
Answer: I think its C
Answer:
Step-by-step explanation:
C is false. [tex]\angle BEC = \angle AED=126[/tex] (vertically opposite).
The rest are correct.
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The value of X is
A) 3
B) 5
C) 9
D) 12
Therefore, the value of x is 9.
What is triangle?A triangle is a closed two-dimensional geometric shape that is formed by connecting three non-collinear points with three-line segments. The three line segments that connect the three points are called sides of the triangle, and the points themselves are called vertices. The angle formed between any two adjacent sides of a triangle is called an interior angle of the triangle. The sum of the interior angles of a triangle is always 180 degrees.
There are many different types of triangles, including equilateral triangles, isosceles triangles, scalene triangles, acute triangles, obtuse triangles, and right triangles. An equilateral triangle is a triangle in which all three sides are equal, an isosceles triangle is a triangle in which two of the sides are equal, and a scalene triangle is a triangle in which none of the sides are equal. An acute triangle is a triangle in which all three interior angles are less than 90 degrees, an obtuse triangle is a triangle in which one of the interior angles is greater than 90 degrees, and a right triangle is a triangle in which one of the interior angles is exactly 90 degrees.
Given by the question.
According to Thel's theorems
[tex]\frac{5}{3} =\frac{15}{x}[/tex]
5x=45
x=9
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