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3 years ago

14

Are all whole numbers rational numbers

1 answer:

Rus_ich [418]3 years ago

5 0

No they are not all rational numbers

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Perimeter of a rectangle is 52 feet. If the length is 10 less than 2 times the width, what is the width?

ella [17]

Step-by-step explanation:

Let the width be x feet.

Therefore, length = 2x - 10

Perimeter of rectangle = 52

$2(2x - 10 + x) = 52 \\ 2(3x - 10) = 52 \\ \therefore \: 3x - 10 = \frac{52}{2} \\ \therefore \: 3x - 10 = 26\\ \therefore \: 3x = 26 + 10\\ \therefore \: 3x = 36 \\ \therefore \: x = \frac{36}{3} \\ \therefore \: x = 12 \\ \purple{ \boxed{\therefore \: width \: of \: rectangle = 12 \: feet }}$

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Haley’s work evaluating (Negative 2) Superscript 8 is shown below.

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She made a sign error when multiplying and should have had 256 as a final answer.

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Which equation below represents the inverse function B(a) , which takes the trapezoid's area as input and returns as output the

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A(b) = 12(b + 9) / 2
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B(a) = a
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It's C

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