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Sever21 [200]
3 years ago
7

The volume V of a rectangular prism with length l, width w, and height h is v equals l times w times h. What is the width of a r

ectangular prism with volume 450 cubic inches, length 20 inches, and height 7.5 inches?
Mathematics
2 answers:
erastovalidia [21]3 years ago
8 0
450=w•20•7.5
^
450= w150
——- ———
150. 150

3=w
Iteru [2.4K]3 years ago
6 0

Answer:

The answer is 3 inch

Step-by-step explanation:

To start off, the equation you want to use the formula V=whl

Next, you simply plug in the values you already know, so you have 450=w*20*7.5

After you do that you multiply 20 times 7.5 to get which is 150, which leaves you with 450= w *150 to solve for w, you need to isolate it. To do that you divide 450 by 150. You are left with the answer of 3.

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marissa [1.9K]

Answer:

(3,-5

Step-by-step explanation:

x=3 y=-2*3+1=-5

3 0
3 years ago
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Mrs.Kennedy is buying pencils for each of 315 students at Hamilton Elementary. The pencils are sold in boxes of tens. How can sh
g100num [7]

Mrs Kennedy is buying pencils for 315 students.

The pencils are sold in boxes of 10.

Therefore the number of pencils she needs to buy should be a multiple of 10, so that she can buy boxes of 10 pencils each.

number of students are 315 but 315 is not a multiple of 10

so we have to round off 315 to the nearest ten, that's 320.

so then she has to buy 320 pencils

number of boxes she needs - 320 / 10 = 32 boxes of pencils

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she will have to buy 32 boxes

4 0
3 years ago
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1/X+4 = 5 it is solving rational equations
finlep [7]
X=1
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7 0
3 years ago
Sonya and her family went to dinner. The cost of the meal was $47.28. They left a 15% tip. What was the total amount sonyas fami
chubhunter [2.5K]

Answer:

$54.37

Step-by-step explanation:

First, need to find 15% of 47.28.

47.28 x .15 = 7.092

Then we add that to the original cost.

47.28+7.092 = 54.372

Round your answer

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Hope this helped!

3 0
3 years ago
Find x. Then find the measure of angles A, B and C.
mafiozo [28]

Answer:

x= 11

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B= 37

C = 84

Step-by-step explanation:

A triangle adds up to 180 °.

So the equation will be a °+ b° + c° = 180°

Next, you combine like terms.

6x + 3x + 9x+4-15-7 = 180\\18x-18=180

Then inverse operation,

18x-18=180\\18x=198\\x=11

After to get a, b, and c you just need to plug in x.

6(11)-7=a\\3(11)+4 = b\\9(11)-15=c

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3 years ago
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