3 years ago

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Mathematics

1 answer:

Diano4ka-milaya [45]3 years ago

3 0

Answer:

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Step-by-step explanation:

uhhhh

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Melissa walked at a rate of 88 feet per minute. What was her approximate speed to the nearest tenth of a mile

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88x60=5280

I believe it's 1 mile.

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) Fred buys a video game disk for $4. There was a discount of 20%.What is<br> the sales price?

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Answer:

so 4 dollars is discount

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KATRIN_1 [288]

To determine the rate of a number do the following steps:

Multiply the number by the percent (e.g. 87 * 68 = 5916)

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Factor x2 – 256 by difference of squares.

andre [41]

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Since both terms are perfect squares, factor using the difference of squares formula,

a2−b2=(a+b)(a−b) where a=x and b=16.(+)x16)

Step-by-step explanation:

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On her birthday, Sonia distributed chocolates in an orphanage. She gave 5 chocolates to each child and 20 chocolates to adults.

qwelly [4]

Answer with explanation:

Total number of Children = x Children

Total number of chocolates distributed = y Chocolates

If there are x children, then total number of chocolate got by children= 5 x Chocolate

Number of chocolate got by Adults= 20

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Expressing the statement in terms of Equation

y = 5 x + 20 z

$z=\frac{y-5 x}{20}$

⇒Number of Adults =z

$=\frac{y-5 x}{20}$

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