If we wanted to know how high a 5th-grade student could jump, how many students would be reasonable to test? 5, 12, 30, or 200.please help

Answers

Answer 1

Answer:

200 students would be reasonable to test because you can average the score more easily.

What is average in maths?

In plain English, an average is indeed a single number chosen to represent a group of numbers; it is often the sum of the values divided by the number of numbers in the group. The average of a integers 2, 3, 4, 7, or 9 is, for instance, 5. An average could be another statistic like the median or mode depending on the situation.

here, we have,

Because the mean would be greater if the personal incomes of a few billionaires were included, the median—the amount below which 50% of personal incomes fall and over which 50% of personal incomes rise—is sometimes used to represent the average personal income.

It is advised to avoid to use the word "average" while addressing central tendency measurements because of this.

If we wanted to know how high a 5th-grade student could jump, 200 students would be reasonable to test because you can average the score more easily.

Therefore, 200 students would be reasonable to test because you can average the score more easily.

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Answer 2

Answer: The right amount to test would be 30.

200 is to many kids and 12 is not enough.

Hope this Helps!!

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Which number is the reciprocal of 1/6?A.- 1/6

B.0

C.6

D.12

Answers

$\hbox{reciprocal of } a=(1)/(a)\n a=(1)/(6)\n (1)/(a)=(1)/((1)/(6))=1\cdot6=6 \Rightarrow C$

reciprocal is where you flip the fraction so 1/6 becomes 6/1
C. 6

The winner of a raffle will receive 3/4 of the money raised from raffle ticket sales. The raffle raised $530.40. How much money will the winner of the raffle get

Answers

Convert (3/4) into a decimal which is .75 (75%). Then multiply the decimal to the total amount of $530.40 which yields $397.80.
In other words 75% of the total $530.40 is given to the winner which is $397.80.

Final answer:

The raffle winner will receive $397.80. This is found by multiplying the total money raised ($530.40) by the fraction of the money the winner will receive (3/4).

Explanation:

To find out how much money the winner of the raffle will get, you need to multiply the total amount of money raised by the fraction of the money that the winner will receive. The fraction given in this scenario is 3/4.

To solve this, you can follow these steps:

Determine the total money raised. Here, the total money raised was $530.40.
Multiply the total amount raised by the fraction the winner will receive. In this case, $530.40 is multiplied by 3/4.
Complete the multiplication. The answer is the amount the raffle winner will get.

So, $530.40 * 3/4 = $397.80

Therefore, the raffle winner will receive $397.80.

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The pair of polygons is similar. find the value of x. answer on picture

Answers

By using proportion, the value of x is,

⇒ x = 30

What is Proportional?

Any relationship that is always in the same ratio and quantity which vary directly with each other is called the proportional.

Given that;

the pair of polygons is similar.

Hence, By using proportion we get;

⇒ 30/12 = 75/x

Solve for x by cross multiply,

⇒ x = 75 x 12 / 30

⇒ x = 30

Thus, By using proportion, the value of x is,

⇒ x = 30

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30/75 = 12/x
30*x=75*12
30x=900/:30
x=30

A storage box has a height of 8 inches, length of 4 inches, and a width of 4 inches. I use cubes with an edge length of 12 inch. If the box is completely full, how many cubes will fit in the storage box?

Answers

Answer:

Step-by-step explanation:

8×4=32×4=128

12×3=36

128÷36= 3.5

but u need to put full cubes which would be 3

The answer is 3 I don’t really know how to explain it

Last month, he sold 50 chickens and 30 ducks for $550. This month, he sold 44 chickens and 3636 ducks for $532. How much does a chicken cost, and how much does a duck cost?

Answers

Answer:

chickens cost $8

ducks cost $5

Step-by-step explanation:

c= chicken cost

d =duck cost

50c + 30 d = 550

44c + 36d = 532

divide the first equation by 10

5c + 3d = 55

multiply it by -12

-60c -36c = -660

now add the modified first equation to the second equation

-60c -36c = -660

44c + 36d = 532

-------------------------

-16c = -128

divide by -16

c = 8

a chicken costs $8

now lets find d

5c+3d = 55

5*8 + 3d = 55

40 + 3d = 55

subtract 40 from each side

3d = 15

divide by 3

d = 5

A number cube is tossed and one card is randomly drawn. Find P(3, yellow) (BTW There are 5 cards 3 yellow 2 blue) The answer choice are: A. 1/30 B. 1/25 C.3/25 D.1/10