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djverab [1.8K]
3 years ago
11

It is known that p% of a number is a. Write the expression that represents this number. Plz respond

Mathematics
2 answers:
Mila [183]3 years ago
8 0
The answer is p*n. Because the proportion would be   n              p
                                                                                            ----      =   ----
                                                                                              n           100
                                   
Svetlanka [38]3 years ago
5 0

Answer:

\frac{100a}{p}

Step-by-step explanation:

Let

x-----> the number

we know that

p\%=\frac{p}{100}

so

\frac{p}{100}*x=a

solve for x

x=\frac{100a}{p} -----> expression that represent the number

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Answer: 19

Step-by-step explanation:

Multiplying both sides of the equation by -3 gives that x=19.

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1 year ago
What is the domain of the function y=2 /X-6? EXCO o osx​
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The Sahara Desert has an area of approximately 9,400,400 km2. While estimates of its average depth vary, they center around 150
horrorfan [7]

It would take 65433661 years to re-create the Sahara Desert

<h3>How many years would it take to re-create the Sahara Desert?</h3>

The given parameters are:

Surface area = 9,400,400 km^2

Depth = 150 m

This means that the volume is

Volume = Surface area * Depth

So, we have

Volume = 9,400,400 km^2 * 150 m

Express as meter square

Volume = 9,400,400 * 1000000 m^2 * 150 m

Evaluate the product

Volume = 9,400,400 * 150,000,000 m^3

A small dump holds 20.5 m^3 for 30 seconds.

So, the duration is:

Time = (9,400,400 * 150,000,000 m^3)/(20.5 m^3 per 30 seconds)

Evaluate the product and quotient

Time =  2.0635024e+15 seconds

1 second = 3.171e-8 year.

So, we have:

Time =  2.0635024e+15 * 3.171e-8 year

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Hence, it would take 65433661 years to re-create the Sahara Desert

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4 0
1 year ago
0.36(18)+0.04x=0.12(24+x)
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Answer:

x = 45

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0.08x = 3.6

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Answer:

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