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Amanda [17]
2 years ago
15

this is a question on a review assignment that i’m stuck on , my summer school teacher said i could get help if i needed. any he

lp would be greatly appreciated

Mathematics
1 answer:
kotykmax [81]2 years ago
6 0

Answer:

volume = 3549.203

Step-by-step explanation:

you need to subtract the volume of the cylinder from the volume of the box

cylinder:

vol=\pi r^2h\\V=\pi (5)^2(20)\\V=\pi (25)(20)\\V=500\pi

box:

vol=(length)(width)(height)\\V=(20)(16)(16)\\V=5120

subtract:

5120-500\pi =3549.203

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Find the area of this trapezoid. Include the correct unit in your answer.
NemiM [27]

Answer:

\displaystyle A _{ \text{trapezoid}} =  70 {m}^{2}

Step-by-step explanation:

we are given a trapezoid

we want to figure out the area

remember that,

\displaystyle A _{ \text{trapezoid}} =  \frac{a + b}{2} h

where a and b represent the parallel lines and h represents the height

we get from the pic that a and b are 5 and 15 respectively and h is 7

so substitute:

\displaystyle A _{ \text{trapezoid}} =  \frac{5 + 15}{2} \times  7

simplify addition:

\displaystyle A _{ \text{trapezoid}} =  \frac{20}{2} \times  7

simplify division:

\displaystyle A _{ \text{trapezoid}} =  10\times  7

simplify multiplication:

\displaystyle A _{ \text{trapezoid}} =  70

since we multiply two same units we of course have to use square unit

hence,

\displaystyle A _{ \text{trapezoid}} =  70 {m}^{2}

4 0
2 years ago
Plz help there is picture
Elenna [48]

Answer:

the first one is right ahaha

Step-by-step explanation:

4 0
3 years ago
4x + 2y =10<br><br> 4x -2y = -10<br> perpednicular or paralell
Alina [70]

Answer:

the answer is perpendicular I think :)

6 0
3 years ago
Question b with explanation?​
Step2247 [10]
Hello!

The answer is 40. All we have to do is find the number of 16 year olds who spent between 25-35 minutes in social media. That is 145. The number of 13 year olds who spent the same amount of time is only 105, therefore 40 more 16 year olds spent between 25 and 35 minutes on social media.
8 0
2 years ago
Which statement about this graph is true?
cupoosta [38]

Answer

I The Turner family spent at least $100 each week.

A) I only

Step by step explanation

By looking at the graph. We can interpret the following information.

1st week = $145

2nd week = $105

3rd week = $125

4th week = $200

5th week = $150

From the above information.

The Turner family spent at least $100 each week.

The other statements are false.

Therefore, the answer A) I only

Thank you. :)

7 0
3 years ago
Read 2 more answers
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