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mote1985 [20]
3 years ago
9

Please help me with this question :) thanks.

Mathematics
1 answer:
olga55 [171]3 years ago
3 0

the blank should say x

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the classroom has four desks in each row there are five rows how many decks five rows how many desks are in the classroom
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5 rows x 4 in each = 20 chairs in the classroom
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3 years ago
An ice-skating rink hosts different events on different days of the week they keep track of ages of the people who attended the
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Step-by-step explanation:

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2 years ago
Factor x2 – 256 by difference of squares.
andre [41]

Answer:

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Step-by-step explanation:

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3 years ago
What's the answer ?<br><br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B9%20%5Ctimes%20144%7D%20" id="TexFormula1" title="
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Answer:

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Step-by-step explanation:

Square roots have a neat property: \sqrt{ab}=\sqrt{a}\sqrt{b} provided <em>a</em> and <em>b</em> are positive real numbers.

This property is what's behind simplifying square roots.  You look for perfect square factors (4, 9, 16, 25, 36, ...) inside the square root sign.

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In this problem, both factors are perfect squares.

\sqrt{9\times144}=\sqrt{9}\sqrt{144}=3\times12=36

6 0
2 years ago
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Coconuts were on sale, 5 for $4.45. Pineapples were on sale, 4 for $3.40. Which of the following is true?
melomori [17]

Answer: D

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