3 years ago

What expressions is equivalent to -3 3/7 + 2 5/7

Mathematics

1 answer:

bonufazy [111]3 years ago

5 0

Answer:

-5/7

Step-by-step explanation:

-3 3/7 + 2 5/7

-3 - 3/7 + 2 + 5/7

-3 + 2 + 5/7 - 3/7

-1 + 2/7

-5/7

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A shipment of 12 microwave ovens contains three defective units. A vending company has ordered four units, and because each has

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Answer:a) 54/55

b) 100/110

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Step-by-step explanation:

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3 years ago

Simplify the expression shown. You must show your work to receive credit.

ZanzabumX [31]

ANSWER

$12 \sqrt{5}$

EXPLANATION

The given expression is

$\sqrt{2} \times \sqrt{72} \times \sqrt{5}$

The middle radical contains a perfect square.

$\sqrt{2} \times \sqrt{36 \times 2} \times \sqrt{5}$

$\sqrt{2} \times \sqrt{36} \times \sqrt{2} \times \sqrt{5}$

$6\sqrt{2} \times \sqrt{2} \times \sqrt{5}$

Note that:

$\sqrt{a} \times \sqrt{a} = a$

$6\times 2 \sqrt{5} = 12 \sqrt{5}$

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