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3 years ago

What is the answer of (-1/4 subtracted by 1/2) divided by (negative 4/7)

1 answer:

7 0

The answer would be 5/8 and 0.625 in decimal form.

1/-4 - 1/2 * 7/-4 (divide then multiply)

1/-4 - 1 * 7 over 2 * -4 (multiply)

1/-4 - 7 over 2 * -4 (simplify 1 * 7 to 7)

1/-4 - 7/-8 (simplify 2 * -4 to -8)

1/-4 - (7/-8) (move the negative sign to the left)

1/-4 + 7/8 (simplify brackets)

5/8 (simplify).

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You walk 1.5miles in a half an hour. What is your average speed?

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Answer:

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3 years ago

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Write the percent as a fraction 77.5%

zysi [14]

77.5%

Change to decimal:-

77.5 ÷ 100 = 0.775

775/1000

31/40

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3 years ago

Can you please help me

andrezito [222]

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Step-by-step explanation:

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3 years ago

Half of the students in Max's class volunteer at the local community center. Fifteen students do not volunteer. If there are 12

ella [17]

Answer:

Step-by-step explanation:

15 x 2 = 30

30 - 12 = 18

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2 years ago

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2x^2+5x+3/x^2-3x-4 divided by 4x^2+2x-6/x^2-8x+16

Masja [62]

Answer: $\frac{x-4}{2x-2}$

Step-by-step explanation:

$\frac{2x^2+5x+3}{x^2-3x-4}$ divided by $\frac{4x^2+2x-6}{x^2-8x+16}$ is the same thing as multiplying $\frac{2x^2+5x+3}{x^2-3x-4}$ by $\frac{x^2-8x+16}{4x^2+2x-6}$ .

The equation we get is:

$\frac{2x^2+5x+3}{x^2-3x-4}*\frac{x^2-8x+16}{4x^2+2x-6}$

With this equation, we can factor each equation:

$\frac{(x+1)(2x+3)}{(x+1)(x-4)} *\frac{(x-4)(x-4)}{2(x-1)(2x+3)}$

We can cancel out like terms since they would be dividing each other:

$\frac{x-4}{2x-2}$

8 0

3 years ago