Which explanation can be used to derive the formula for the circumference of a circle?.

Answer:

The correct answer is $75,900.

Step-by-step explanation:

The quantity that is unknown in this situation is the rental fee for one locker, or "r" and the equation is as follows: 50 * ($6 + r) = $475

To write an equation that represents the situation, you can use the information given in the problem. The total cost of the field trip, $475, covers the rental fees for 50 students, and the rental fee for one pair of skates is $6. Since the cost of the field trip is the sum of the rental fees for one pair of skates and one locker for each student, you can write an equation as follows:

50 * ($6 + r) = $475

This equation represents the situation in which the Student Council is organizing a field trip for 50 students, and the total cost of the field trip is the sum of the rental fees for one pair of skates and one locker for each student. The unknown quantity, "r", represents the rental fee for one locker.

Therefore, The quantity that is unknown in this situation is the rental fee for one locker, or "r" and the equation is as follows: 50 * ($6 + r) = $475

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Answer:

11/3

Step-by-step explanation:

3x+4=15

3x=11

x=11/3

The EPV of a life annuity due for someone aged x+1 ≈ 0.1797.

To calculate the EPV (Expected Present Value) of a life annuity due for someone aged x+1, we can use the formula:

ax+1 = ax * (1 - px) * (1 + i)

Where:

ax is the EPV of a life annuity due for someone aged x

px is the survival probability for someone aged x

i is the effective interest rate per year

We have:

ax = 12.32

px = 0.986

i = 4% = 0.04

Substituting the provided values into the formula, we have:

ax+1 = 12.32 * (1 - 0.986) * (1 + 0.04)

ax+1 = 12.32 * (0.014) * (1.04)

ax+1 = 0.172 * 1.04

ax+1 ≈ 0.1797

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Answer:

59

Step-by-step explanation:

Since it says round to the nearest tenth of a foot, I might be wrong. But anyways I hope this helps!

The height of the building that has a 34 foot ladder rested on it with a distance of 25 feet is 23.0 feet.

The situation forms a right angle triangle.

A right angle triangle has one of its angles as 90 degrees. The isdes of the triangle can be found using pythagoras theorem.

Therefore, the length of the ladder is the hypotenuse of the triangle. The distance form the bottom of the ladder to the bottom of the building is the adjacent side.

The height of the building is the opposite side of the triangle. Therefore,

c² = a² + b²

34² - 25² = b²

b = √1156 - 625

b = √531

b = 23.0434372436

b = 23.0

The height of the building is 23.0 feet.

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Answer:

y = (3x)/10

Step-by-step explanation:

quotient  = divide

Answer

$7.82

Step-by-step explanation:

12 hrs=$93.84

1 hr= 93.84/12

1 hr=$7.82

Answer:

use a calulator hint muliply everything

Step-by-step explanation:

The equation of the line that passes through ( -9, 7) and (4, 7) is y = 7.

Given that

( -9, 7) and (4, 7)

Since both points have the same y-coordinate of 7, we know that they lie on a horizontal line.

Using the point-slope formula, we can find the equation of the line that passes through (-9, 7) and has a slope of 0 (since it's a horizontal line):

y - y1 = m(x - x1)

y - 7 = 0(x - (-9))

y - 7 = 0

y = 7

So the equation of the line is y = 7.

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Answer:

2.8

Step-by-step explanation:

√(4² - 2²) = √12

=> √[(√12)² - 2²] = √8 ≈ 2.8

If the sample size is small and the sample variance is large then

small treatment effect still be statistically significant.

As we know that,

Statustical significance refers to claim that a result from data generated by testing or experimentation is likely to be attributable to specific cause.

Sample size is the total number of individuals or items that comprise a sample.

And, the variance is a descriptive statistic, which falls under the category of a measure of spread.

The circumstance in which a very small treatment effect can be found to be significant is best described by option A: If the sample size big and the sample variance is small.

A large sample size will increase the probability that the results of a statistical test will yield significant results. This is why most statistical tests are accompanied by a measure of effect size. A statistically significant result associated with a very large sample size, will likely have a small effect size, an undesirable result for a researcher, as it implies one of the only reasons significant results were obtained was due to the large sample, not necessary the magnitude of the experimental effect.

Likewise, if variance is small, this will also increase the probability that the results of a statistical test will yield significant results. Variance is simply another word in statistics for the error. A decrease in error will lead to an increased probability of obtaining significant results, hence the idea that a small amount of variance will lead to an increased probability of significant results.

Hence, if the sample size is small and the sample variance is large then

small treatment effect still be statistically significant.

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Answer:

d (2)

Step-by-step explanation:

your moving forward two spaces

Answer:

A) x≤-5

Step-by-step explanation:

4x+12≤-8

4x≤-20

x≤-5

Answer:x <_>Step-by-step explanation:

Answer:

5.35*2+x=16 and the answer is $.35

Step-by-step explanation:

5.35*2+x=16

10.70+x=16

-10.70     -10.70

x=5.30

5.30/15= about .35

Answer

$12.65/15

Step-by-step explanation:

$16.00-$5.35=$12.65

This means that $12.65/15 is the cost of each apple.

Answer:

I think it's false

Step-by-step explanation:

The Probability of reverse alphabetical order is 1.04x10^-26, Probability of z being the first letter is 0.0385, Probability of z preceding a is 0.5, Probability of a preceding z is 0.0385, Probability of a, m, z in order is 0.00274, Probability of m, n, o in original positions is 0.00274.

The probability that the permutation consists of the letters in reverse alphabetic order is 1/(26!), which is approximately 1.04 x 10^-26. This is because there is only one permutation out of the 26! possible permutations that satisfies this condition.

The probability that z is the first letter of the permutation is 1/26, which is approximately 0.0385. This is because there is only one way to select z to be the first letter out of the 26 possible choices.

The probability that z precedes a in the permutation is 1/2, which is 0.5. This is because in any permutation of the 26 letters, z and a are equally likely to appear before or after each other.

The probability that a immediately precedes z in the permutation is (24!)/(26!), which is approximately 0.0385. This is because once the positions of a and z are fixed in the permutation, there are 24! ways to arrange the remaining 24 letters, out of the 26! possible permutations.

The probability that a immediately precedes m, which immediately precedes z in the permutation is (23!)/(26!), which is approximately 0.00274. This is because once the positions of a, m, and z are fixed in the permutation, there are 23! ways to arrange the remaining 23 letters, out of the 26! possible permutations.

The probability that m, n, and o are in their original places in the permutation is (23!)/(26!), which is approximately 0.00274. This is because once the positions of m, n, and o are fixed in the permutation, there are 23! ways to arrange the remaining 23 letters, out of the 26! possible permutations.

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The foot of the ladder will slide by 8 feet.

The ladder will form a right angled triangle -

hypotenuse² = base² + perpendicular²

We have hypotenuse as 25 feet, base as 7 feet and we will find perpendicular.

P² = 25² - 7²

P² = 625 - 49

P² = 576

P = ✓576

P = 24 foot

After slipping, the perpendicular will decrease by 4 feet

New vertical height = 24 - 4

New vertical height = 20 feet

B² = 25² - 20²

B² = 625 - 400

B² = 225

B = ✓225

B = 15 foot

Slided distance = 15 - 7

Slided distance = 8 feet

Thus, ladder will be 15 foot away now and 8 feet away from older distance.

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We will get  \(61/75\), when 6(1/6) is divided by 7(5/6)

The usually written symbol for division is (÷). The "/" (slash) symbol is used in spreadsheets and other computer applications.

Division is the opposite of multiplication in mathematics.

The division is often considered the most difficult of the four main arithmetic operations. This page explains how to perform division calculations. Once we have a good understanding of the method and rules, we can use the calculator for more complex calculations without making mistakes.

For example, consider how we would find the answer to \(10 / 2\) (ten divided by two). This is the same as "split" \(10\)sweets between \(2\) children. Both children must end up with the same number of candies. In this example, the answer is \(5\).

Hence when \(61/6\) is divided by \(75/6\) it means \((61/6)/(75/6)\)

in which \(6\) cancels the \(6\).

The final answer will be \(61/75\)

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Answer: 2.5, 5.3

Step-by-step explanation:

\(-16t^2 +126t=217\\ \\ 16t^2 -126t+217=0\\\\t=\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(217)}}{2(16)}\\\\t \approx 2.5, 5.3\)

Using linear approximation, the approximate value of f(9.001) is 36.018.

Linear approximation is the process of approximating the value of a function by using the tangent line at a particular point.

To approximate the value of 9.001 using linear approximation, we need to find the tangent line to the function f(x) = x^2 at x = 9 and then evaluate it at x = 9.001.

The equation of the tangent line to f(x) = x^2 at x = 9 is given by: y - 81 = 18(x - 9) y = 18x - 135 Now, we can use this equation to approximate the value of f(9.001) as follows: f(9.001) ≈ y(9.001) f(9.001) ≈ 18(9.001) - 135 f(9.001) ≈ 36.018.

Therefore, using linear approximation, the approximate value of f(9.001) is 36.018.

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Answer:

7.2 or 36/5

Step-by-step explanation:

Answer:

No it cant

integers don't include fractions or decimals.

Step-by-step explanation:

Answer:

No

Step-by-step explanation:

Theres a key idea you're missing, factions or decimals are not included in integers.

Integers are positive and negative whole numbers, for example, 9, -8, and 0.

Decimals however are not a type of whole number. Integers can be expressed as a decimal but the majority of numbers that can be expressed as decimals are not integers. If there are any non-zero digits after the decimal point, the number is not an integer. (65.000 = 65 is an integer. 0.5, 65.0007, and 3.250 are not integers.)

When writing an integer, we usually omit the infinite zeroes after the decimal point because they provide no additional information about the number. Exceptions to this (45.0) are usually meant to show that the number has been rounded.

Yes, the described graph shows a proportional relationship, the correct option is the last one.

"Yes, it is proportional because the line intersects with the origin."

A proportional relationship is a linear equation whose y-intercept is y = 0, so we can write it in a general form as:

y = k*x

Notice that when x = 0

y = k*0

y = 0

So the line always passes through the point (0, 0).

Basically, any linear equation that passes through the point (0, 0) (except for the linear equation y = 0) is a proportional relationship.

Here we do know that our line passes through (0, 0), thus, the correct option is the last one.

"Yes, it is proportional because the line intersects with the origin."

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Answer:

y = 150x

Step-by-step explanation:

If y = savings and they save $150 each month then you can just multiply $150 by each month to get the total savings

Answer:

b

Step-by-step explanation:

Answer:

\(hey \: its \: easy\)

(1) Square of 5 = 5 × 5 = 25

(2) Square of 10 = 10 × 10 = 100

(3) Square of 16 = 16 × 16 = 256

(4) Square of 25 = 25 × 25 = 625

(5) Square of 110 = 110 × 110 = 12100

like this you can also find it

hope it helps

pls mark as brainliest

Answer:

Step-by-step explanation:

You have to figure out what has to multiply by itself to get to that number.

So for example, 121. The square root is more than 10 because 10 times 10 equals 100. It's less than 15 because 15 times 15 is a little over 200. If you have your multiplication tables memorized, you'd know that 11 multiplied by itself is 121. Therefore, the square root to 121 is 11. Hope this helps! (:

Answer:

55°, 55° and 125°

Step-by-step explanation:

Opposite angles of a parallelogram are congruent, then

Angle opposite 125° is also 125°

Consecutive angles are supplementary, sum to 180°, then

consecutive to 125° is 55°

sngle opposite 55° is also 55°

The other 3 angles are 55°, 55° and 125°

Based on effect size conventions, d = 0.60 is considered a moderate effect size. It is a standardized measure that quantifies the magnitude of the difference or relationship between two groups or variables.

It provides a standardized way to compare the strength of effects across different studies or contexts. Effect size conventions vary across disciplines and research areas, but a commonly used benchmark is Cohen's d. In this convention, an effect size of d = 0.20 is considered small, d = 0.50 is considered medium or moderate, and d = 0.80 is considered large.

Therefore, with a value of d = 0.60, the effect size is considered moderate according to this convention. It indicates a meaningful and noticeable difference or relationship between the groups or variables being studied, but not as strong as a large effect size would suggest.

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It is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

In the given scenario, it is not completely true that based only on the r and p values listed above, you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

Let's first understand what is meant by the term "moderator.

"Moderator: A moderator variable is a variable that changes the strength of a connection between two variables. If there is a statistically significant bivariate relationship between the amount of texting during driving and the number of accidents, scientists investigate whether this bivariate relationship is moderated by age.

Therefore, based on the values of r and p, it is difficult to determine if age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

As we have to analyze other factors also to determine whether the age is a moderator or not, such as the sample size, the effect size, and other aspects to draw a meaningful conclusion.

So, it is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

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