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ryzh [129]
2 years ago
8

List the measurements of three different rectangular prisms that each have a surface area of 20 square units.

Mathematics
1 answer:
Kitty [74]2 years ago
6 0

So we can use the formula 2lw +2wh+ 2lh, which is the surface area formula and we can set that to equal 20. 2lw +2wh+ 2lh=20

lw+wh+lh= 10

Let’s isolate L

Lw+Lh=10-wh

Let’s distribute L

L(w+h)=10-wh

L=(10-wh)/(w+h)

You can use this formula to plug in values for w and h and it will work as long as their products are less than 10

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A salesperson earns a commission of $252 for selling $2100 in merchandise.
shutvik [7]

Answer:

The commission rate is of 12%.

Step-by-step explanation:

Commission rate:

The commission rate is given by the commission value multiplied by 100% and divided by the value of merchandise sold.

In this question:

$252 in commission for selling $2100 in merchandise. So

252*100%/2100 = 12%

The commission rate is of 12%.

8 0
2 years ago
20% of what number is 30? Pick the proportion that could be used to solve.
Colt1911 [192]

30 is 20% of 150

Working out percentage problems of the form "30 is 20 percent of what number?"

We have, 20% × x = 30

or,  

20/100 × x = 30

Multiplying both sides by 100 and dividing both sides by 20,

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If you are using a calculator, simply enter 30×100÷20, which will give you the answer.

5 0
3 years ago
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3 years ago
Rectangle EFGH is shown below with line IJ passing through the center:
otez555 [7]
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4 0
3 years ago
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Indicate by true or false whether the following equation is quadratic -3/4x^2 +2=0 true or false
yKpoI14uk [10]

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5 0
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