To compare the balances of the two accounts, we need to calculate the future value of each account after 48 months.
For Isla's account with simple interest, the interest earned every year is:
$800 x 0.05 = $40
After 48 months (4 years), the interest earned is:
$40 x 4 = $160
So the balance of Isla's account after 48 months is:
$800 + $160 = $960
For Aven's account with compound interest, we can use the formula:
A = P(1 + r/n)^(nt)
where A is the future value, P is the principal (initial deposit), r is the annual interest rate (as a decimal), n is the number of times the interest is compounded per year, and t is the time in years.
For Aven's account, P = $750, r = 0.07, n = 1 (compounded annually), and t = 4. Plugging these values into the formula, we get:
A = $750(1 + 0.07/1)^(1 x 4) = $1039.14
Therefore, the statement "Aven's account will have a higher balance than Isla's account at the end of 48 months" is true.
Table of value Y=-2x+1
Answer: -2
Step-by-step explanation:
Answer: See below
Step-by-step explanation:
x=-3 y=7
x=-2 y=5
x=-1 y=3
x=0 y=1
x=1 y=-1
x=2 y=-3
x=3 y=-5
You can see the pattern of decreasing by 2 each time so use that if you need any more values
what is the volume of the large pyramid? (rounded to the nearest cubic meter) group of answer choices 20,833 41,666 10,417 16,817 375
The volume of the pyramid is 600 cubic centimeters (cm³).
The formula for the volume of a pyramid is given by
V = (1/3) × base area × height
Since the base of the pyramid is a square with sides of 10 cm, the base area can be calculated as
base area = side length × side length = 10 cm × 10 cm = 100 cm²
Substituting the given values into the formula for the volume of a pyramid, we get
V = (1/3) × base area × height
Substitute the values in the equation
= (1/3) × 100 cm² × 18 cm
Multiply the numbers
= 600 cm³
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I have solved the question in general as the given question is incomplete.
The complete question is:
What is the volume of a pyramid whose base is square? The sides of the base are 10 cm each and the height of the pyramid is 18 cm.
a man standing 11 feet from the base of a lamppost casts a shadow 3 feet long. if the man is 6 feet tall and walks away from the lamppost at a speed of 200 feet per minute, at what rate, in feet per minute, will the length of his shadow be changing?
Step-by-step explanation:
Insects can show three types of development. One of them, holometaboly (complete development), consists of the stages of egg, larva, pupa and sexually mature adult, which occupy different habitats. Insects with holometaboly belong to the most numerous orders in terms of known species. This type of development is related to a greater number of species due to the a) protection in the pupa stage, favoring the survival of fertile adults. b) production of many eggs, larvae and pupae, increasing the number of adults. c) exploration of different niches, avoiding competition between life stages. d) food intake at all stages of life, ensuring the emergence of adults. e) use of the same food in all stages, optimizing the body's nutrition.
if they are linearly dependent, find scalars that are not all zero such that the equation below is true. If they are linearly independent, find the only scalars that will make the equation below true.(1 point) Are the vectors [-5 4 5] [2 -1 5] [-17 16 45] linearly independent?
The vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly dependent with scalars (1, 3, 1) as an example of a non-zero solution.
To determine if the vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly independent, we need to find the scalars a, b, and c that satisfy the equation:
a * [-5 4 5] + b * [2 -1 5] + c * [-17 16 45] = [0 0 0]
If the only solution is a = b = c = 0, the vectors are linearly independent. If there are other solutions where a, b, and c are not all zero, the vectors are linearly dependent.
Let's form a matrix with these vectors as columns:
|-5 2 -17|
| 4 -1 16|
| 5 5 45|
Now, we can row reduce this matrix to its reduced row echelon form (RREF):
| 1 -2 5|
| 0 1 -3|
| 0 0 0|
From the RREF, we can write the system of linear equations:
x - 2y + 5z = 0
y - 3z = 0
Solving this system, we get:
y = 3z
x = 2y - 5z = 6z - 5z = z
Since z can be any scalar, we have infinitely many solutions where not all of a, b, and c are zero. For example, when z = 1, we get x = 1 and y = 3. So, the scalars (1, 3, 1) make the equation true.
Thus, the vectors [-5 4 5], [2 -1 5], and [-17 16 45] are linearly dependent with scalars (1, 3, 1) as an example of a non-zero solution.
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A castle has to be guarded 24 hours a day. Five knights are ordered to split each day's guard duty equally. how long will each knight spend on guard duty in one day???? Please help I am very stuck on this
Answer:
Step-by-step explanation:
If there are five knights and they need to divide the guard duty equally for the 24 hours in a day, each knight would spend 24/5 = 4.8 hours on guard duty in one day.
However, since it's not possible to guard for a fraction of an hour, they would need to round that number to the nearest whole number. In this case, each knight would spend 5 hours per day on guard duty.
is the difference in years at the company between employees with a high school degree and those with an mba significant at the 95% confidence level? remember, differences are significant at the 95% confidence level when the p-value is less than .05.
To determine if the difference in years at the company between employees with a high school degree and those with an MBA is significant at the 95% confidence level, we can perform a hypothesis test for p-value.
We can run a hypothesis test to see if the difference in years spent at the organization between workers with a high school diploma and those with an MBA is significant at the 95% confidence level.
We must first specify our alternative hypothesis and null hypothesis. Our null hypothesis is that there is no discernible difference in the number of years that personnel with a high school diploma and those with an MBA have worked for the organization. Our alternate theory is that the two groups have significantly different average years of employment.
The probability of witnessing the data if the null hypothesis is correct can then be determined using a t-test. The null hypothesis can be rejected if the p-value is less than 0.05, and the difference in years spent at the company between workers with a high school diploma and those with an MBA is determined to be significant at the 95% level of confidence.
We can use a two-sample t-test to compare the means of the two groups if the data is normally distributed and the variances are identical.
If the t-test yields a p-value of less than 0.05, we can reject the null hypothesis and draw the conclusion that there is a significant difference in the number of years that employees with a high school diploma and those with an MBA have worked for the organisation. In contrast, if the p-value is higher than 0.05, we are unable to rule out the null hypothesis since there is insufficient data to support the existence of a significant difference.
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Please help I’ll give brainliest
The standard form is 5x²-2x-4=0
A quadratic equation can be written in other forms.
Standard Form: ax²+bx+c=0
Vertex Form: a (x - h)2 + k = 0
Intercept Form: a (x - p)(x - q) = 0
This equation is called 'quadratic' as its degree is 2
The standard form of a quadratic equation is also known as its general form.
ax²+bx+c=0
with the conditions : a ≠ 0, and a, b, and c are real numbers
'a' is the coefficient of x²
'b' is the coefficient of x
'c' is the constant
here a= 5 b= -2 c= -4
Shift all the terms to one side and write in standard quadratic equations
=> 5x²-2x+1-5=0
=> 5x²-2x-4=0
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Jacqui wants to prove that figures abc and def are similar. Which series of transformations would prove that these two figures are similar
One figure should be rotated to match the other's alignment. Expand one figure till it is the same size as another.
what is transformations ?A figure or object in a coordinate plane can be transformed to create a new figure or object that has been relocated, flipped, or altered in some other way. Translations, rotations, and reflections are the three primary forms of transformations. Moving a figure horizontally or vertically without altering its size or shape is known as translation. Rotation entails angling a figure around a fixed point, often known as the rotational center.
given
The subsequent transformations must be used in order to demonstrate similarity between two figures:
Translation (moving the figures to the same spot) (moving the figures to the same position)
Rotation (rotation one figure to fit the other) (rotating one figure to match the other)
Dilation (resizing the figures such that they have the same shape, but maybe different sizes) (resizing the figures so that they have the same shape, but possibly different sizes)
Consequently, the following set of transformations should be used to demonstrate that the figures abc and def are similar.
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Number of Years Since Last Census, X Estimated Population, f(x) 42,458 2 41,776 3 40,654 4 39,841 An exponential function would better model the data because as x increases, the y values change multiplicatively. The common ratio/multiplier/base of this function is approximately V
The common ratio/multiplier/base of the exponential function that better models the given data is approximately 1.123.
What is expression ?
In mathematics, an expression is a combination of numbers, variables, and mathematical operations (such as addition, subtraction, multiplication, division, exponents, and roots) that can be evaluated or simplified to obtain a numerical value or another expression.
To find the common ratio/multiplier/base of the exponential function that better models the given data, we need to use the formula for exponential functions:
[tex]f(x) = ab^x[/tex]
where a is the initial value and b is the common ratio/multiplier/base.
We can use the given data points to form a system of equations:
[tex]2 = ab^{(42,458)}\\ \\3 = ab^{(41,776)}\\ \\4 = ab^{(40,654)}\\ \\5 = ab^{(39,841)}\\ \\[/tex]
We can divide each equation by the previous equation to eliminate "a" and obtain a ratio of "b" values:
[tex]b^{(42,458-41,776)} = 3/2\\ \\ b^{(41,776-40,654)} = 4/3\\ \\ b^{(40,654-39,841)} = 5/4\\ \\[/tex]
Simplifying each exponent, we get:
[tex]b^{682} = 3/2\\ \\b^{1122} = 4/3\\ \\b^{813} = 5/4\\ \\[/tex]
Taking the cube root of the first equation, the fourth root of the second equation, and the fifth root of the third equation, we get:
[tex]b^{(682/3)} = (3/2)^{(1/3)} = 1.245\\ \\ b^{(1122/4)} = (4/3)^{(1/4)} = 1.090\\ \\ b^{(813/5)} = (5/4)^{(1/5)} = 1.035\\ \\[/tex]
Taking the average of these values, we get:
b ≈ (1.245 + 1.090 + 1.035) / 3 ≈ 1.123
Therefore, the common ratio/multiplier/base of the exponential function that better models the given data is approximately 1.123.
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john is wallpapering a room and requires wallpaper. the wallpaper that he needs is charged at $12 per square meter, plus he must pay $20 for delivery. write down the cost function c(x), where x is the amount of wallpaper needed in square meters. if john has to pay a total cost of $500, how much wallpaper did he purchase?
The wallpaper cost $40 to John.
To find the amount of wallpaper John purchased, we have to solve for x in the cost function equation.
First, let's write down the cost function c(x) using the given information.Cost function equationc(x) = 12x + 20.
Here, x is the amount of wallpaper needed in square meters, and c(x) is the total cost John has to pay, including the cost of wallpaper and delivery.
Now, let's use the given total cost of $500 and solve for x.c(x) = 12x + 20Since the total cost John paid is $500, we can write the following equation:12x + 20 = 500
To solve for x, we can isolate x on one side by subtracting 20 from both sides.12x = 480x = 40Therefore, John purchased 40 square meters of wallpaper.
Answer: 40
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Determine which property(s) the following relation R on the set of all integers satisfy(s)?( a , b ) ∈ R iff a b ≥ 1 .
In conclusion, the relation R on the set of all integers satisfies reflexivity and symmetry but not transitivity.
To determine which properties the relation R on the set of all integers satisfy, we need to check for reflexivity, symmetry, and transitivity.
1. Reflexivity: A relation R is reflexive if for every element a in the set, (a, a) ∈ R.
In this case, we need to check if a * a ≥ 1 for all integers a.
Since any integer squared (a * a) is greater than or equal to 1, R is reflexive.
2. Symmetry: A relation R is symmetric if for every pair (a, b) ∈ R, (b, a) also ∈ R.
In this case, we need to check if a * b ≥ 1 implies b * a ≥ 1.
Since multiplication is commutative (a * b = b * a), the condition holds true, and R is symmetric.
3. Transitivity: A relation R is transitive if for every (a, b) ∈ R and (b, c) ∈ R, (a, c) also ∈ R.
In this case, we need to check if a * b ≥ 1 and b * c ≥ 1 imply a * c ≥ 1.
Let's take the counterexample: a = -1, b = 2, and c = -1. We have -1 * 2 ≥ 1 and 2 * -1 ≥ 1, but -1 * -1 ≥ 1 is false.
Therefore, R is not transitive.
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A square based pyramid has a base area of 25 square feet. If the
slant height forms a 50° angle with the base of the pyramid, find
the volume of the square pyramid to the nearest tenth of a cubic
foot.
Answer:
Step-by-step explanation:
square pyramid. Calculate the unknown defining height, slant height, surface area, side length and volume of a square pyrami
Which of the filling best describes the expression 6(y+3)
Answer: 6y+18
Step-by-step explanation:
6 x y=6y
6 x 3= 18
Answer:
The product of a constant factor of six and a factor with the sum of two terms.
Step-by-step explanation:
Since we have given that
6(y+3)
It has sum of two terms i.e. y and 3.
Mathematically, it is expressed as
y+3
And the product of constant factor of six and a factor with the sum of two terms.
Mathematically, it is expressed as
6(y+3)
Hence, The product of a constant factor of six and a factor with the sum of two terms.
a polygraph (lie detector) is said to be 90% reliable in the following sense: there is a 90% chance that a person who is telling the truth will pass the polygraph test; and there is a 90% chance that a person telling a lie will fail the polygraph test. (a) suppose a population consists of 5% liars. a random person takes a polygraph test, which concludes that they are lying. what is the probability that they are actually lying?
The probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is 0.05.
The probability that a random person taking a polygraph test is actually lying can be calculated using Bayes' Theorem. In this case, the population consists of 5% liars, so the probability of a randomly chosen person being a liar is 0.05. The reliability of the polygraph test is said to be 90%, meaning that the probability of a person telling the truth passing the test is 0.90, and the probability of a person telling a lie failing the test is also 0.90. Therefore, using Bayes' Theorem, the probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is:
P(Lying | Polygraph) = P(Polygraph | Lying) * P(Lying) / P(Polygraph)
= (0.90 * 0.05) / 0.90
= 0.05
Therefore, the probability that a randomly chosen person is actually lying given that the polygraph test concluded that they were lying is 0.05.
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Given ⊙K with secants NS¯¯¯¯¯¯¯¯ and NR¯¯¯¯¯¯¯¯ , which expression represents PS. A circle with center point K. Two chords PS and QR intersects at point N outside the circle. A. (NQ)(NQ+QR)NP−NP B. (QR)(NQ+QR)NP−NP C. NP+NQ+QRNR−NR D. (NP)(NQ+QR)NR−NR
After answering the prοvided questiοn, we can cοnclude that PS = circle (QR(NQ - NR))/NR, which is nοt οne οf the given οptiοns.
What is circle?A circle seems tο be a twο-dimensiοnal cοmpοnent defined as such cοllectiοn οf the all pοints in a jet that becοme equidistant frοm the hub. A circle is cοmmοnly pοrtrayed with the capital "O" fοr centre and the lοwer sectiοn "r" fοr the radius, which is the distance frοm the οrigin tο any pοint οn the circle.
Girth (the distance frοm arοund circle) is given by the fοrmula 2r, where (pi) is a prοpοrtiοnality cοnstant rοughly equal tο 3.14159. The fοrmula r² calculates the circle's circumference, which refers tο the amοunt οf rοοm inside οf the circle.
Nοne οf the given οptiοns represent PS directly. Hοwever, we can use the intersecting secant theοrem tο find PS.
(NQ)(NQ+QR) = (NR)(NR+PR)
We can sοlve fοr PR tο get:
PR = (NR)(NR+PR)/(NQ+QR)
PR(NQ+QR) = (NR)(NR+PR)
PRNQ + PRQR = NR² + PRNR
PRNQ = NR² + PRNR - PRQR
PRNQ = NR(NR + PR - QR)
PR = NR(NR + PR - QR)/NQ
PR(NQ) = NR(NR + PR - QR)
PRNQ = NR(NR + PR - QR)
PRNQ - NR(PR - NR - QR) = 0
PR(NQ - NR) = NR(NR + QR)
PR = (NR(NR + QR))/(NQ - NR)
PS(PR + NR) = QR(NR + QR)
PS = (QR(NR + QR))/(PR + NR)
PS = (QR(NR + QR))/((NR(NR + QR))/(NQ - NR) + NR)
PS = (QR(NQ - NR))/NR
Therefοre, the cοrrect expressiοn representing PS is:
PS = (QR(NQ - NR))/NR, which is nοt οne οf the given οptiοns.
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Costumers at Al's Toy Barn took a survey. The results showed that 90 customers rated the store's decorations as being "very festive." This number represented 45% of the total number of customer who took the survey. How many customers took the survey?
Answer: 200
Step-by-step explanation: x = 90 ÷ 0.45
x = 200
i need help with my home work
The expression or equation that correctly represents the situation given is y = 2x.
What is the relationship between the packages of cashews and the cans of peanuts?Based on the table, for each package of cashews 2 cans of peanuts are required. Here are some examples:
3 packages of cashews = 6 cans of peanuts = 6/3 = 24 packages of cashews = 8 cans of peanuts = 8/4 = 2Based on this relationship and assuming y represents the cans of peanuts and x represents the packages of cashews a possible equation to represent this situation would be y = 2x.
Note: This question is incomplete; below I attach the missing information:
Write an equation to represent this relationship:
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13. A group of students were asked if they play a sport or play an instrument. The results are shown
in the Venn diagram below. If one of these students is chosen at random, find each probability.
a) P(instrument)
b) P(does not play a sport)
(35)
(36)
d) P(sport but not an instrument)
(38)
Instrument
10
14
Sport
8 18
c) P(both instrument and a sport)
(37)
Answer:
a) 22/50
b) 24/50
c) 8/50
d) 18/50
Step-by-step explanation:
Total students= 18 + 8 + 14 + 10 = 50
students who play instruments = 14 + 8 = 22
--
students who play a sport = 18 + 8 = 26
students who dont play a sport = 50 - 26 = 24
--
c) students who play both instrument and sport = 8
--
d) students who play sports only = 18
Students who play instruments from Venn diagram is 22, students who play both instrument and sport is 8 and students who play sports only is 18.
What is Set?A set is a collection of well defined objects.
A group of students were asked if they play a sport or play an instrument
Total number of students= 18 + 8 + 14 + 10 = 50
students who play instruments from venn diagram
= 14 + 8
= 22
students who play a sport = 18 + 8
= 26
students who dont play a sport = 50 - 26 = 24
c) students who play both instrument and sport = 8
d) students who play sports only = 18
Hence, students who play instruments from venn diagram is 22, students who play both instrument and sport is 8 and students who play sports only is 18.
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If a = 3 square root of 3 in the right triangle below, what is the value of b?
Gary, Nancy, and Jamal are trying to write an inequality where all values in the set of numbers below make the inequality true. {0, 1, 3, 4, 6, 12} Consider their inequalities. Gary: 6>0.5t Nancy: 30−t≤18 Jamal: 12≤t+12 Which student(s) wrote an inequality that is true for all values in the set of numbers? Select your answer from the drop-down list.
Therefore , the solution of the given problem of inequality comes out to be Gary and Jamal are the students who created an inequality that holds true for all values in the collection "0, 1, 3, 4, 6, 12".
An inequality is what?Algebra does not have an equal symbol, but a partner or group of integers can be used to represent the difference. Equilibrium is typically followed by equity. Inequality comes from the continued divergence of ideals. Disparity and expression fairness are not identical. Despite the fact that the parts are typically not connected or close to one another, that was our most popular symbol. (). Any difference, no matter how small, can be used to determine worth.
Here,
We can test each inequality with each value in the set, 0 through 1, 3, 4, 6, and 12, to identify which inequality holds true for all values.
6 > 0.5t, where t is a member of the collection, is Gary's inequality. When we compare each value in the collection to this inequality, we discover:
When t = 6: 6 > 0.5(6) is true
When t = 12: 6 > 0.5(12) is true
Therefore, for each value in the collection, Gary's inequality holds true.
30 - t 18 is Nancy's inequality, where t is a number from the collection. When we compare each value in the collection to this inequality, we discover:
When t = 6: 30 - 6 ≤ 18 is true
When t = 12: 30 - 12 ≤ 18 is true
Therefore, not all values in the collection satisfy Nancy's inequality.
Gary and Jamal are the students who created an inequality that holds true for all values in the collection "0, 1, 3, 4, 6, 12".
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1)
The Polynomial Remainder Theorem states that if P(x) is divided by x-a, then the
remainder is equal to P(a). Given: 2x³ + 5x²-12x+9+x-3. Look at the divisor and
determine the value for "a". Evaluate P(a) and find the remainder.
The value for a is 1 and the remainder when P(x) is divided by x - 1 is 2.
What is polynomial remainder theorem?
It states that the remainder of the division of a polynomial f(x) by a linear polynomial x-r is equal to f(r).
The divisor in this case is x - a, where "a" is the value we need to determine.
We can see that the given polynomial 2x³ + 5x² - 12x + 9 + x - 3 has a term of x in addition to the other terms. This means that the divisor must also have a term of x in it.
So, we can write the divisor as x - a and set x - a = 0 to solve for "a":
x - a = 0
=> x = a
Therefore, "a" must be equal to 1 since there is a term of x in the polynomial.
To find the remainder, we need to evaluate P(a) where P(x) = 2x³ + 5x² - 12x + 9 + x - 3 and a = 1.
P(a) = 2(1)³ + 5(1)² - 12(1) + 9 + (1) - 3 = 2 + 5 - 12 + 9 + 1 - 3 = 2
So, the remainder when P(x) is divided by x - 1 is 2.
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lucinda surveyed 50 students in her school to find out how many students enjoy playing sports. the resultsare shown in the table. do you think lucinda chose a random sample? why or why not?
If Lucinda used a random selection method, made an effort to ensure that the sample is representative, and the sample size is large enough, then it's possible that the sample is indeed random.
what are perpendicular lines?
Perpendicular lines are two lines that intersect at a 90-degree angle, forming four right angles at the point of intersection. In other words, if you were to draw a perpendicular line from one of the lines to the other at their point of intersection, it would form a right angle with each of the original lines.
Without having access to more information about how Lucinda selected the sample of students, it's difficult to determine whether or not the sample is truly random.
However, there are a few things that we can consider when trying to determine whether or not the sample is random. For example:
Did Lucinda use a random selection method to choose the students? If she simply surveyed her friends or classmates, for example, the sample would not be random.
Did Lucinda make any effort to ensure that the sample is representative of the larger population of students? For example, did she make sure to include students from a variety of grades, genders, and ethnic backgrounds.
Therefore, if Lucinda used a random selection method, and made an effort to ensure that the sample is representative, and the sample size is large enough, then it's possible that the sample is indeed random.
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A pool charges $4 each visit or you can buy a membership for $100. Write and solve an inequality to find how many times a person should use the pool so that a membership is less expensive than paying each time. Write an inequality and solve. PLEASE HELP ME!!
Answer:
Let's say the number of visits to the pool is represented by the variable 'x'.
If a person chooses to pay per visit, the cost will be 4x dollars.
If a person chooses to buy a membership, the cost will be a one-time payment of $100.
We want to find out when the cost of buying a membership becomes less expensive than paying per visit. In other words, we want to solve the inequality:
4x > 100
To solve for x, we need to isolate the variable. We can do this by dividing both sides by 4:
x > 25
So, if a person plans to visit the pool more than 25 times, it's more cost-effective to buy a membership instead of paying per visit.
Please help and hurry
Answer:
sub in 6 into g
6^2+23
36+23
59
The volume of the cone shown is 240 cubic meters. The height of the cone is 5 meters. Find the length of the slant height, x.
Answer:
9.4 meters
Step-by-step explanation:
We can use the formula for the volume of a cone:
V = (1/3) * pi * r^2 *h
where V is the volume, r is the radius of the base, and h is the height.
We know the volume and height of the cone, so we can solve for the radius:
240 = (1/3) * pi * r^2 * 5
r^2 = 240 / (pi * 5/3)
r^2 = 45.68
r = sqrt(45.68)
r = 6.76 meters (rounded to two decimal places)
Now we can use the Pythagorean theorem to find the slant height:
x^2 = r^2 + h^2
x^2 = 6.76^2 + 5^2
x^2 = 88.5276
x = sqrt(88.5276)
x = 9.4 meters
Jared's average daily balance for the last month was $560. The finance charge was $8. 12. What was the monthly percentage rate? What was the APR?
The monthly percentage rate is 1.45%, and the APR is 17.4%.
To calculate the monthly percentage rate, we can divide the finance charge by the average daily balance, then multiply by 100 to convert to a percentage
Monthly percentage rate = (finance charge / average daily balance) x 100
Monthly percentage rate = ($8.12 / $560) x 100
Monthly percentage rate = 0.0145 x 100
Monthly percentage rate = 1.45%
To calculate the APR (annual percentage rate), we need to multiply the monthly percentage rate by the number of months in a year:
APR = Monthly percentage rate x 12
APR = 1.45% x 12
APR = 17.4%
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Find all cube roots of the complex number 64(cos (219°) + i sin (219°)). Leave answers in polar form
and show all work
[tex]\sqrt[n]{z}=\sqrt[n]{r}\left[ \cos\left( \cfrac{\theta+2\pi k}{n} \right) +i\sin\left( \cfrac{\theta+2\pi k}{n} \right)\right]\quad \begin{array}{llll} k\ roots\\ 0,1,2,3,... \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \boxed{k=0}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 0 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 0 )}{3} \right)\right][/tex]
[tex]\sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o }{3} \right) +i \sin\left( \cfrac{ 219^o }{3} \right)\right]\implies \boxed{4[\cos(73^o)+i\sin(73^o)]} \\\\[-0.35em] ~\dotfill\\\\ \boxed{k=1}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 1 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 1 )}{3} \right)\right][/tex]
[tex]\sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 579^o }{3} \right) +i \sin\left( \cfrac{ 579^o }{3} \right)\right]\implies \boxed{4[\cos(193^o)+i\sin(193^o)]} \\\\[-0.35em] ~\dotfill\\\\ \boxed{k=2}\hspace{5em} \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 219^o + 360^o( 2 )}{3} \right) +i \sin\left( \cfrac{ 219^o + 360^o( 2 )}{3} \right)\right] \\\\\\ \sqrt[ 3 ]{64} \left[ \cos\left( \cfrac{ 939^o }{3} \right) +i \sin\left( \cfrac{ 939^o }{3} \right)\right]\implies \boxed{4[\cos(313^o)+i\sin(313^o)]}[/tex]
the time to fly between new york city and chicago is uniformly distributed with a minimum of 50 minutes and a maximum of 100 minutes. what is the probability that a flight is less than 64 minutes
The probability that a flight between New York City and Chicago is less than 64 minutes is 0.28, or 28%.
Since the time to fly between New York City and Chicago is uniformly distributed between 50 and 100 minutes, we can use the formula for the uniform probability density function (PDF) to find the probability that a flight is less than 64 minutes:
f(x) = 1 / (b - a), for a ≤ x ≤ b
where a = 50 and b = 100 are the minimum and maximum times, respectively.
To find the probability that a flight is less than 64 minutes, we need to integrate the PDF from a to 64:
P(X < 64) = [tex]\int\limits^{64}_{50}[/tex] f(x) dx = [tex]\int\limits^{64}_{50}\\[/tex](1 / 50) dx = (1 / 50) * [x]|₅₀ ⁶⁴
= (1 / 50) * (64 - 50) = 0.28
This means that approximately 28% of flights will arrive in less than 64 minutes.
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QUIZ:
Square Roots and Cube Roots to Solve Equations
Question
The volume of a cube can be found using the equation V = s³, where V is the volume and s is the measure of one side of the cube.
Match the equation for how to solve for the side length of a cube to its description.
Drag the equation to the box to match the description.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
A cube has a volume of 2560 in³.
Answer:
Step-by-step explanation:
2560
If a tv is £800 plus 20% vat Whats the total cost of the telly