The area of the given shape is 22 square tiles. The given shape consists of two rectangles and a square.
To find the area of the shape, we need to find the area of each of these three shapes and then add them up.
First, we can see that the length of the longer rectangle is 6 tiles and the width is 2 tiles. Therefore, the area of this rectangle is 6 × 2 = 12 tiles.
Next, the length of the shorter rectangle is 3 tiles and the width is 2 tiles. Thus, the area of this rectangle is 3 × 2 = 6 tiles.
Finally, the square has a side length of 2 tiles, so its area is 2 × 2 = 4 tiles.
Adding up the areas of the three shapes, we get 12 + 6 + 4 = 22 tiles.
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cubic feet. The box has a length of
(x + 8) feet, a width of x feet, and a height of (x − 2) feet. Find the dimensions of the box.
Answer:
Step-by-step explanation:
To find the dimensions of the box, we need to solve for the value of x in the expressions given for its length, width, and height.
The volume of a box is given by multiplying its length, width, and height, so we can write:
V = (x+8) * x * (x-2)
Expanding the expression, we get:
V = (x^3 + 6x^2 - 16x)
We know that the volume of the box is measured in cubic feet, so we can assume that V is a positive value. Therefore, we can set V equal to some positive number, such as 1000 or 2000, and solve for x using algebraic techniques such as factoring or the quadratic formula.
For example, if we set V = 1000, we can write:
1000 = x^3 + 6x^2 - 16x
Simplifying and rearranging the terms, we get:
x^3 + 6x^2 - 16x - 1000 = 0
Using a graphing calculator or other mathematical software, we can find that the real solution to this equation is approximately x = 10.5.
Therefore, the dimensions of the box are:
- Length: x+8 = 18.5 feet
- Width: x = 10.5 feet
- Height: x-2 = 8.5 feet
A candy store uses 10. 3 grams of sugar each hour. How many grams of sugar will the store use in 10 hours?
The candy store will use 103 grams of sugar in 10 hours.
To find out how many grams of sugar the store will use in 10 hours, we can simply multiply the amount of sugar used in one hour (10.3 grams) by the number of hours (10).
To solve the problem, we use a simple multiplication formula: the amount used per hour (10.3 grams) multiplied by the number of hours (10) to find the total amount of sugar used in 10 hours.
We can interpret this problem using a rate equation: the rate of sugar usage is 10.3 grams/hour, and the time period is 10 hours. Multiplying the rate by the time gives the total amount of sugar used.
So the calculation would be:
10.3 grams/hour x 10 hours = 103 grams
Therefore, the candy store will use 103 grams of sugar in 10 hours.
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Valerie is a member of a movie club. She pays a fixed fee of $40 annually. She must pay $6 for every movie she rents. She rented 14 movies this year. What is the total amount that she paid this year
Valerie paid a total amount of $124 this year for her movie club membership and the 14 movies she rented.
What is total amount?In math, the total amount typically refers to the final sum or result of a calculation involving multiple numbers or quantities.
Valerie pays a fixed fee of $40 annually, and she rented 14 movies at a cost of $6 each. Thus, the total amount she paid this year can be calculated as follows:
Total cost of movie rentals = 14 x $6 = $84
Adding the fixed annual fee to the rental costs:
Total amount paid by Valerie this year = $40 + $84 = $124
Therefore, Valerie paid a total of $124 this year for her movie club membership and the 14 movies she rented.
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ΔQRS is an isosceles triangle. What is the length of RT¯¯¯¯¯
? Round to the nearest hundredth. Enter your answer in the box.
Answer:9.22
Step-by-step explanation:
You dont need the left side of this triangle to figure out the answer. You can use the fact that the remaining side to find is of a right triangle and use pythagorean theorem to solve.
Since 11 is the hypotenuse, and the pythagorean theorem states that a^2 +b^2 = c^2, the hypotenuse being c, you can reverse the equation like this:
11^2-6^2=rt^2
if you plug this in, you get that rt is exactly equal to 9.21954445729
Since you asked for it rounded to the nearest hundredth, you can round it to 9.22
(8x - 12) = (3x + 5)
Answer:
x = [tex]\frac{17}{5}[/tex]
Step-by-step explanation:
(8x - 12) = (3x + 5) ← remove parenthesis
8x - 12 = 3x + 5 ( subtract 3x from both sides )
5x - 12 = 5 ( add 12 to both sides )
5x = 17 ( divide both sides by 5 )
x = [tex]\frac{17}{5}[/tex]
or x = 3.4 ( in decimal form )
factor the expression 6x^3 + 5x
Answer:
x(6x^2 + 5)
Step-by-step explanation:
To factor the expression 6x^3 + 5x, we can first factor out the greatest common factor of the two terms, which is x. This gives:
x(6x^2 + 5)
We can see that 6x^2 + 5 cannot be factored any further using integer coefficients, so the final factored form of the expression is:
x(6x^2 + 5)
daisy has the following production possibilities frontier per week. her resource is 5 lbs of flour. note: you will use this ppf to answer the next several questions. given daisy's ppf, the following production combo, 9 pies and 8 tarts is
The following question is incomplete.
Please complete the question so it can be answered.
Without the actual Production possibility frontier table or chart we cannot determine the exact quantities.
However, based on the information provided, we can determine that the production combo of 9 pies and 8 tarts is a point on Daisy's PPF.
This means that Daisy can produce 9 pies and 8 tarts per week using her available resources of 5 lbs of flour.
To fully analyze production possibilities of Daisy, we would need to see her complete PPF, which would show all possible combinations of pies and tarts that she could produce with her resources.
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Terrell is a dog trainer. He charges $75 for each training session plus $1.45 per mile that he must drive to and from the session. Write an expression to represent this situation. Explain your answer.
(in the expression let x represent the number of miles.)
The expression 75 + 1.45x represents the total cost of a training session with Terrell
The expression to represent this situationLet x be the distance (in miles) that Terrell must drive to and from the training session.
Then the total cost C of the training session, in dollars, can be expressed as:
C = 75 + 1.45x
The first term, 75, represents the base fee that Terrell charges for each training session. The second term, 1.45x, represents the additional cost that Terrell incurs due to the distance he has to drive. This second term is calculated by multiplying the distance x by the rate of $1.45 per mile.Therefore, the expression 75 + 1.45x represents the total cost of a training session with Terrell, including both the base fee and the additional cost for driving.
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a random telephone survey of 1,051 adults (aged 18 and older) was conducted by an online tax preparation and e-filing service. the survey results showed that 664 of those surveyed planned to file their taxes electronically. (round your answers to the nearest whole number.)
The percentage of adults who planned to file their taxes electronically is approximately 63%.
A random telephone survey of 1,051 adults (aged 18 and older) was conducted by an online tax preparation and e-filing service. The survey results showed that 664 of those surveyed planned to file their taxes electronically.
Total number of adults surveyed = 1,051
Number of adults who planned to file their taxes electronically = 664
Percentage of adults who planned to file their taxes electronically is;
= (Number of adults who planned to file their taxes electronically / Total number of adults surveyed) x 100%
=(664/1051) x 100%
= 63.16 %
Therefore, the percentage of adults who planned to file their taxes electronically is approximately 63%.
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Consider the expression (x2−9)(x+4). Select all the values of x for which (x2−9)(x+4)=0
Answer:
X= 567890
Step-by-step explanation:
Answer:
See below, please.
Step-by-step explanation:
Using the zero product property, we can set each factor equal to zero and solve for x:
(x² - 9)(x + 4) = 0
(x² - 9) = 0 or (x + 4) = 0
For the first factor, we can factor it further as the difference of squares:
(x + 3)(x - 3) = 0
So, either (x + 3) = 0 or (x - 3) = 0, giving us:
x = -3, x = 3, or x = -4
Therefore, the values of x for which (x² - 9)(x + 4) = 0 are -3, 3, and -4.
No idea how to use this app tbh
Answer:
-10
Step-by-step explanation:
I added a photo of my solution
Answer:
Answer is -10
Step-by-step explanation:
does this table represent a proportional relationship
Yes its i Think If its not sorry
Grace wants to buy carpet to cover her whole living room, except for the tiled floor. The tiled
floor is 6ft by 3-ft. Find the area the carpet needs to cover.
Therefore, the area that the carpet needs to cover is: LW - 18 square feet.
What is area?Area is a mathematical term that refers to the amount of space occupied by a two-dimensional object or shape. It is typically measured in square units such as square feet, square meters, or square inches.
Here,
If the tiled floor is excluded from the area that needs to be covered by the carpet, then we need to find the area of the living room without the tiled floor and add the tiled floor's area to it.
Let's assume that the living room is a rectangular shape with length L and width W.
The area of the living room without the tiled floor is:
Area = L x W - (6 x 3) (since the tiled floor has an area of 6 ft x 3 ft)
Area = LW - 18 square feet
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use half angle identity. help
pls
Required value of the given expression is (1+√2)
Given expression is [tex]tan \frac{11\pi}{8} [/tex]
We want to solve it.
Now,
[tex] \tan( \frac{11\pi}{8} ) = \tan( \frac{3\pi}{8} + \frac{8\pi}{8} ) \\ = \tan( \frac{3\pi}{8} + \pi ) \\ = \tan( \frac{3\pi}{8} ) [/tex]
Finding [tex] \tan( \frac{3\pi}{4} ) [/tex]
Let,
[tex] \tan(2t) = \tan( \frac{3\pi}{4} ) = - 1[/tex]
Use half angle identity,
[tex] \tan(2t) = \frac{ 2\tan(t) }{1 - {tan}^{2} t} \\ - 1 = \frac{ 2\tan(t) }{1 - {tan}^{2} t} \\ {tan}^{2} t - 2tant - 1 = 0[/tex]
Let,[tex]x = tant[/tex]
So,[tex] {x}^{2} - 2x - 1 = 0[/tex]
Now, [tex]x = 1 \pm \sqrt{2} [/tex]
So,
[tex]tant = tan \frac{3\pi}{8} = 1 \pm \sqrt{2} [/tex]
[tex]tan \frac{3\pi}{8} [/tex] is positive,then required value is 1+√2.
So, option D is the correct answer.
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Given f (x) = x2 + 10x + 28 in standard form, convert to vertex form using completing the square. Show work to receive credit. (20 points)
Answer:
f(x) = (x + 5)² + 3
Step-by-step explanation:
f(x) = x² + 10x + 28
to complete the square
add/subtract ( half the coefficient of the x- term )² to x² + 10x
f(x) = x² + 2(5)x + 25 - 25 + 28
= (x + 5)² + 3 ← in vertex form
50 Points
Janey paints a block of wood with gold glitter for an art project. The block measures
8 inches by 10 inches by 20 inches.
After she's done, she decides to make two blocks by cutting through the block on the
red line. She still wants each block to be covered with gold glitter.
What is the total area of the cut surfaces she still needs to paint?
Answer the questions to find out.
1. What is the shape of each cut surface? what are its dimensions?
2. What is the area of each cut surface?
3. What is the total area Jenny needs to paint? Explain how you found your answer.
Answer:
The shape of each cut surface is a rectangle. The dimensions of the first cut surface are 8 inches by 10 inches, and the dimensions of the second cut surface are 10 inches by 20 inches.
The area of the first cut surface is 8 inches x 10 inches = 80 square inches. The area of the second cut surface is 10 inches x 20 inches = 200 square inches.
To find the total area Jenny needs to paint, we need to add the area of the first cut surface to the area of the second cut surface.
Total area = Area of first cut surface + Area of second cut surface
Total area = 80 square inches + 200 square inches
Total area = 280 square inches
Therefore, Jenny needs to paint a total area of 280 square inches.
Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. How far is the kite above the ground?
If Kelly is flying a kite to which the angle of elevation is 70 degrees. The string on the kite is 65 meters long. The kite is about 61 meters above the ground.
How to find the height?We can use trigonometry to solve the problem. Let's call the height of the kite above the ground "h".
Using trigonometry, we can write:
sin (70) = h / 65
Solving for h, we get:
h = 65 * sin(70)
h= 65 * 0.9397
h ≈ 61 meters
Therefore, the kite is about 61 meters above the ground.
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Is 4, 5, and 6 a right triangle??..
Step-by-step explanation:
If they are RIGHT triangles then the Pythagorean theorem would apply
c^2 = a^2 + b^2 where c is the long side ( hypotenuse)
4) does 10^2 = 6^2 + 8^2 ?
100 = 36 + 64 Yes....it is a right triangle
5) does 8^2 = ( sqrt26)^2 + sqrt(28^2) ?
64 = 26 + 28 NO....it is NOT a right triangle
6) you should try this one yourself .....
help please i’ll give brainliest!!!
Answer:
Apparently it's 4800 according to desmos.
Step-by-step explanation:
Step-by-step explanation:
x y
-3 150
-2 300
-1 600
0 4800
As you can see, for negative values of x, the area burned becomes smaller and smaller as x becomes more negative. This is because the equation y = 4800(2)^x has a base of 2, which means that as x becomes more negative, 2^x becomes smaller and smaller, causing y to become smaller and smaller as well.
a solid metal prism has a rectangular base with sides of 4 inches and a height of 6 inches. a hole in the shape of a cylinder, with a radius of 1 inch, is drilled through the entire length of the rectangular prism.
What is the approximate volume of the remaining solid, in cubic inches?
a. 19 cubic inches b. 77 cubic inches c. 96 cubic inches d. 93 cubic inches
The approximate volume of the remaining solid is option (b) 77 cubic inches
The volume of the rectangular prism is given by
V_rectangular prism = base area x height = 4 x 4 x 6 = 96 cubic inches
The volume of the cylinder is given by
V_cylinder = π x r^2 x h = π x 1^2 x 6 = 6π cubic inches
To find the volume of the remaining solid, we need to subtract the volume of the cylinder from the volume of the rectangular prism
V_remaining solid = V_rectangular prism - V_cylinder = 96 - 6π ≈ 77 cubic inches (rounded to the nearest whole number)
Therefore, the correct option is (b) 77 cubic inches
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By the 46th day, there are 400 water lilies in the pond. the estimate you made:____.a. close to 46 (or exactly right) because it was estimated well.b. too low because the quick exponential growth was not accounted for. c. too high because the exponential growth was overestimated.
By the 46th day, there are 400 water lilies in the pond. the estimate you made: a). close to 46 (or exactly right) because it was estimated well.
We know that the regression equation is: y = 3.915(1.106)ˣ and that the pond can hold 400 water lilies.
y = 3.915(1.106)ˣ
Here, y is equal to the number of water lilies the pond can hold.
So, y = 400
And, x is the required time taken.
So,
400 = 3.915(1.106)ˣ
⇒ (1.106)ˣ = 400/3.915
⇒ (1.106)ˣ = 102.17
Taking logarithm on both sides, we get
log (1.106)ˣ = log (102.17)
⇒ x log (1.106) = log (102.17) .............. [log aˣ = x loga]
⇒ x = [log (102.17)/log (1.106)]
⇒ x = 45.92
x ≅ 46
So, the pond will take 46 days to become full.
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Complete question:
Regression equation: y = 3.915(1.106)ˣ . The pond can hold 400 water lilies. by what day will the pond be full? write and solve an equation. the pond will be full by the end of day.
Answer:
b
Step-by-step explanation:
just did it
use laplace transforms to solve the initial value problem where primes indicate derivatives with respect to t.
To use Laplace transforms to solve the initial value problem where primes indicate derivatives with respect to t, follow these steps.
Write down the given differential equation and initial conditions. Apply the Laplace transform to both sides of the differential equation, using the properties of Laplace transforms for derivatives. Substitute the initial conditions into the transformed equation to get a new equation with no derivatives.Solve this new equation for the Laplace transform of the desired solution function. Apply the inverse Laplace transform to find the solution function in the time domain.Remember to be accurate and concise while solving the problem.
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Please answer my question by the way the number 4 and 5 is FOIL.
Using FOIL method for the multiplication, we have:
1: 3x (5x - 4) = 15x² - 12x
2: x²(5x² + 3y + 1) = 5x⁴ + 3x²y + x²
3: (4x + 3)(4x -5) = 16x² - 8x - 15
4: (7x - 3)(4x - 5) = 28x² - 47x + 15
How to carry out multiplication using FOIL?
FOIL is an acronym that stands for "First, Outer, Inner, Last". It is a mnemonic device that is commonly used to remember the process of multiplying two binomials.
No. 1
3x (5x - 4) = 3x*5x + 3x*(-4)
= 15x² - 12x
No. 2
x²(5x² + 3y + 1) = x²*5x² + x²*3y + x²*1
= 5x⁴ + 3x²y + x²
No. 3
(4x + 3)(4x -5) = 4x(4x-5) + 3(4x-5)
= 4x*4x + 4x*(-5) + 3*4x + 3*(-5)
= 16x² - 20x + 12x - 15
= 16x² - 8x - 15
No. 4
(7x - 3)(4x - 5) = 7x(4x - 5) - 3(4x - 5)
= 7x*4x + 7x*(-5) - 3*4x - 3*(-5)
= 28x² - 35x -12x + 15
= 28x² - 47x + 15
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57% of people in state prisons for drug offenses in the us are african american. what percentage of illicit drug users in the us are african american?
The percentage of illicit drug users in the US are African American is a. 14%
According to data from the National Survey on Drug Use and Health, in 2019, 14.5% of African Americans reported using illicit drugs in the past month, compared to 12.4% of the overall population. While African Americans are overrepresented in state prisons for drug offenses, they do not use drugs at a significantly higher rate than other racial and ethnic groups.
It's important to note that drug use is a complex issue with many social and economic factors at play. It's crucial to approach drug use and addiction with a public health perspective that prioritizes prevention, treatment, and harm reduction over punitive criminal justice approaches.
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Your question is incomplete, but probably the complete question is :
57% of people in state prisons for drug offenses in the US are African American. What percentage of illicit drug users in the US are African American?
a. 14%
b. 28%
c. 42%
d. 56%
4. George sails his boat 3.7 miles from the dock at the mainland to Paradise Island. From Paradise Island, a 72 degree angle is formed between the dock at the mainland and shipwreck rock. If the distance between Shipwreck rock and the dock is 5.6 miles, approximately how far does George need to sail from paradise island to reach shipwreck rock?
George needs to sail close to 3.7 miles from Paradise Island to reach Shipwreck Rock.
How do we calculate?Applying the law of cosines:
c^2 = a^2 + b^2 - 2ab cos(C)
where:
c = the unknown distance
a = 3.7 miles (distance from the dock at the mainland to Paradise Island)
b = 5.6 miles (distance from the dock at the mainland to Shipwreck Rock)
C = 72 degrees (angle formed between the dock at the mainland and Shipwreck Rock)
The we convert the angle from degrees to radians:
72 degrees = (72/360) * 2π radians = 1.2566 radians (approx.)
Substituting the values into the formula and solving for c:
c^2 = 3.7^2 + 5.6^2 - 2(3.7)(5.6)cos(1.2566)
c^2 = 13.69
c ≈ 3.7 miles
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John and his family are going on vacation. They travel 137.5 miles in 2.5 hours. What is the average miles per hour that they travel?
The average miles per hour that John and his family travel is 55 mph.
What is the average annual mileage?American drivers now log a total of 14,263 miles in a single year on average. Around 1,200 miles are driven per month on average, according to this information.
We must divide the whole distance travelled by the total time taken by John and his family in order to determine their average miles per hour:
Total distance x Total time equals average speed.
In this instance, their total journey distance was 137.5 miles, and their total travel duration was 2.5 hours. Hence, we can enter the following values into the formula:
Average speed = 137.5 miles / 2.5 hours
137.5 divided by 2.5 results in:
Average speed is 55 miles per hour.
John and his family therefore travel at an average speed of 55 mph.
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The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable. Is the relation a function? Explain. Yes, because for each input there is exactly one output Yes, because for each output there is exactly one input No, because for each input there is not exactly one output No, because for each output there is not exactly one input
Answer:No
Step-by-step explanation:
Because each X is an input, this means that Y is obviously the output.
In order for a set of data, there must ALWAYS be one output for every input, no more, no less. Because this particular set of data has multiple Y values with respect to different X values, this is not a function. Your correct answer is "No, because for each input there is not exactly one output."
14
6.66 points
Identify the factors of 9x² + 49y²
(3x + 7y)(3x - 7y)
O prime
(3x-7y)(3x - 7y)
O (3x + 7y)f3x + 7y)
Answer:
Step-by-step explanation:
Hi ,
9x² - 49y² + 3x + 7y
= [ (3x)² - ( 7y )² ] + ( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y ) + 1( 3x + 7y )
= ( 3x + 7y ) ( 3x - 7y + 1 )
I hope this helps you.
:)
if y varies directly as x, and y=7 when x=3, find when x=7
By definition, direct variation takes the following form:
y=kx
Where k is the proportionality constant.
You can find k given the information in the problem:
7=3k
k=3/7
You can now find y when x=7 as follows:
y=(7*3)
Values can be substituted. Then:
y=(7*7)/3
y=49/3
If y varies directly from x, then the value of y = 49/3 when x = 7.
If y varies directly from x, we can write its relationship in the form of the equation below :
y = m*x
Where m is the slope of the line on the graph.
From the given data:
y=7
x=3,
We can substitute these values in the above equation and find m :
7 = m*3
m = 7/3
So, the equation can also be written as follow:
y = 7/3 x
Finding y when x=7, then substituting the x value in the above equation we get:
y = (7/3)*(7)
y = 49/3
Therefore the value of the y = 49/3.
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I need help with this please