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4 years ago

How do you solve 5 is _____ % of 25

2 answers:

6 0

Just put 5 over 25 and then simplify to get 1/5. Now put that into a decimal (.2) then put that decimal into percent form, 20%

Aneli [31]4 years ago

5 0

Let the missing % be x.

Now, according to your question ;

5 = x% of 25

5 = x / 100 * 25

thus, 25x = 500

Thus, x = 500/25

= 20

Thus, 5 is 20% of 25.

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madreJ [45]

1 a)

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1b)

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5 0

3 years ago

Read 2 more answers

F(x) = 3x + 27 find the function algebraically

Alika [10]

Answer:

everything that you need to know about that function!

Step-by-step explanation:

https://www.symbolab.com/solver/pre-calculus-functions-calculator/f%5Cleft(x%5Cright)%3D3x%2B27

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4 years ago

Jason had 141 dollars to spend on 8 books. After buying them he had 13 dollars. How much did each book cost ?

iren [92.7K]

Answer:

Each book cost $16

Step-by-step explanation:

Step 1: Subtract $13 from 141 to get 128

Step 2: Divide 8 by 128 to get 16

Each book cost $16

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4 0

3 years ago

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inysia [295]

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8 0

4 years ago

II. Let f(x) = 9 – x , g(x) = x2 + x, and h(x) = x – 2. Compute the following:

Neko [114]

Answer:

$h(g(x))=x^2+x-2$

$h(g(f(x))= x^2-19x+88$

Step-by-step explanation:

<u>Composite Function</u>

Suppose f(x) and g(x) are real functions, the composite function named $(f\circ g)(x)$ is defined as:

$(f\circ g)(x)=f(g(x))$

The composite function can be found by substituting g into f.

We are given these functions:

$f(x)=9-x$

$g(x)=x^2+x$

$h(x)=x-2$

Find:

a) h(g(x))

Substituting g into h:

$h(g(x))=x^2+x-2$

b) h(g(f(x))

First we find g(f(x)):

$g(f(x))=(9-x)^2+(9-x)$

Operating:

$g(f(x))=81-18x+x^2+9-x$

Simplifying:

$g(f(x))=90-19x+x^2$

Now find h(g(f(x)) replacing the above equation into h:

$h(g(f(x))= 90-19x+x^2-2$

Simplifying and rearranging:

$h(g(f(x))= 88-19x+x^2$

$h(g(f(x))= x^2-19x+88$

3 0

3 years ago