MATHEMATICS MIDDLE SCHOOL

Please show work, will mark brainliest

Answers

Answer 1

Answer:

Answer:

The radius of the can, rounded to the nearest hundredth, is 530.66.

Step-by-step explanation:

We want to do the reverse of the formula for V, which is pi(r)^2(h).

to isolate r.

Let's start by writing an equivalent equation to V = $\pi$ $r^(2)$ h by solving for r

$\sqrt[]{(V * \pi )/(h) } = r$

Now, substitute and solve for r

1014 * 3.14 / 6 = 530.66

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One thousand and twenty students participated in the school math contest. Sample 1 is a random sample from grades 9 and 10 and consists of the following scores: 72, 89, 67, 81, 75, 79, 81, 80, 62, 64, 83.

Sample 2 is a random sample from grades 11 and 12 and consists of the following scores: 84, 86, 87, 84, 86, 89, 90, 87, 87, 84, 86.

Choose the following statements that correctly compare the two samples.
Check all that are true.

A). Sample 2 shows 11th and 12th grade students, on average, did better.

B) . Sample 1 has a higher probability than Sample 2.

C). The measure of center is the same for both samples.

D). Sample 1 shows 9th and 10th grade students, on average, did better.

E). Sample 2 has a higher median score than Sample 1.

Answers

Answer:

E)- Sample 2 has a higher median score than Sample 1.

Step-by-step explanation:

For comparing both samples by the median, We are more clear that Sample 2 (grades of 11th and 12th) is better than Sample 1 (grades of 9th and 10th).

We didn't choose other options because neither only seeing the samples nor by measuring the probability of both samples We do a better comparison of both the samples.

Also by measuring the mean and median of the both given samples we get both Option C and D are incorrect.

With the way its set up I would have to say the answer id E. due to the fact that the average, or median is higher in sample 2.

Please help I need it by tomorrow.

Answers

1.) -7
2.)-7
3.)-2
4.)0
5.)9
6.)-3
7.)11
8.)1
9.)0
10.)11
11.)-12
12.)-20
13.)undefined
14.)3

Ok here's what you do go to the back of the book and it has selected answers in the back

What is 15a-7×4+6 for a =2.4

Answers

place a with its value and multiple with 15. substrack the result (36)with (7×4) and add 6.the result is 14.

How can u simplify 3/9 to its lowest term

Answers

Divide the top and the bottom by 3 and you get 1/3 as your answer simplified to its lowest term

Three fifths of the members of a hiking club went on the last hiking trip. If 39 people went on the trip , how many are in the club?

Answers

Step-by-step explanation:

1. Since 39 is 3/5 of the club, divide by 3 to get 1/5 of the club

2. 1/5 of the club is 13 people

3. Multiply 13 by 5 to get 5/5 of the club (which is the whole club)

4. The whole club is 65 people

5. You can check it because 65×3/5=39

If a triangle has one angle that measures 51° and one angle that measures 39°, what kind of triangle is it?

Answers

it is a acute triangles because the degrees are less than 90 degrees

The triangle is a acute triangle because the angles are less than 90.