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hoa [83]
3 years ago
11

A bookstore manager marks down the price of older hardcover books, which originally sell for b dollars, by 42%. Part 1 out of 4

Enter an expression for the markdown using a decimal. The markdown is ..... (Answer this question piece)
Mathematics
1 answer:
BigorU [14]3 years ago
6 0

Answer:

0.42

Step-by-step explanation:

The original price of the old hardcover books was sold for b dollars. But the manager markdown the hardcover books by 42%.

The expression of the markdown using a decimal can be represented below.

Recall the markdown is 42 %. If you want to convert from percentage to a decimal, you have to move the decimal point two places to the left . The percentage sign is removed at this stage and the value is represent in decimal.  Or you can just divide the percentage value by 100.

In our case the percentage value can be solved as 42/100 = 0.42 in decimal or by just simply moving the decimal points two places to the left which is 0.42.

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8 0
3 years ago
Solve for x. M=5/dx+e
snow_lady [41]

After solving  M=\frac{5}{dx}+e we get value of x:  x=\frac{5}{(M-e)d}

Step-by-step explanation:

We need to solve the equation M=\frac{5}{dx}+e to find value of x

Solving

M=\frac{5}{dx}+e

Adding -e on both sides

M-e=\frac{5}{dx}+e-e

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Multiply both sides by dx

dx(M-e)=5

Divide both sides by M-e

dx=\frac{5}{M-e}

Divide both sides by d

x=\frac{5}{(M-e)d}

So, After solving  M=\frac{5}{dx}+e we get value of x:  x=\frac{5}{(M-e)d}

Keywords: Solving Equations

Learn more about Solving Equations at:

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8 0
3 years ago
Please help!! 50/25 points!!<br><br> Compute the sum
AfilCa [17]

Answer:

3577

Step-by-step explanation:

From the question given above, the following data were obtained:

7•2ᶦ

i = 0, 1, 2, .., 8

Sum =?

The sum can be obtained as follow:

7•2ᶦ

i = 0

7•2⁰ = 7 × 1 = 7

i = 1

7•2ᶦ = 7•2¹ = 7 × 2 = 14

i = 2

7•2ᶦ = 7•2² = 7 × 4 = 28

i = 3

7•2ᶦ = 7•2³ = 7 × 8 = 56

i = 4

7•2ᶦ = 7•2⁴ = 7 × 16 = 112

i = 5

7•2ᶦ = 7•2⁵ = 7 × 32 = 224

i = 6

7•2ᶦ = 7•2⁶ = 7 × 64 = 448

i = 7

7•2ᶦ = 7•2⁷ = 7 × 126 = 896

i = 8

7•2ᶦ = 7•2⁸ = 7 × 256 = 1792

Sum = 7 + 14 + 28 + 56 + 112 + 224 + 448 + 896 + 1792

Sum = 3577

4 0
3 years ago
What is the output value for the following function, f(x) = 5x - 2 if the input value is 3?
Zanzabum
F(x)=5x-2
y=5x-2
y=5(3)-2
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so the answer is B. 13
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