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4 years ago

13

Faye has a model airplane whose scale is 7 feet to 1 centimeter. If the wing of the real airplane is 28 feet long, how long is t

he wing on the model?

1 answer:

Lelu [443]4 years ago

8 0

Answer:

<u><em>4 cm</em></u><em> is the correct answer</em>

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Why is this so hard ?? :(

givi [52]

Answer:

Dude the answer is 8!

Step-by-step explanation:

You literally multiply the two together. Come on man...

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3 years ago

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The time (t) it takes to clean an office building is directly related to the number of people (p) working.

cricket20 [7]

Answer:

Step-by-step explanation:

The time is inversely related to the number of people working so that as the number of people working increases, the time required decreases

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divide both sides by p

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4 years ago

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What is the square root of -1?

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3 years ago

TIMED QUESTION NEED HELP FASTWhat values of b satisfy 3(2b + 3)2 = 36?

egoroff_w [7]

Answer:

$\frac{-3+ 2\sqrt{3}}{2}\textrm{ and }\frac{-3- 2\sqrt{3}}{2}$

Step-by-step explanation:

$3(2b+3)^{2}=36\\\frac{3(2b+3)^{2}}{3}=\frac{36}{3}\\(2b+3)^{2}=12$

Taking square root both sides, we get

$\sqrt{(2b+3)^{2}}=\pm \sqrt{12}\\2b+3=\pm \sqrt{4\times 3}\\2b+3=\pm 2\sqrt{3}\\2b+3-3=\pm 2\sqrt{3}-3\\2b=-3\pm 2\sqrt{3}\\b=\frac{-3\pm 2\sqrt{3}}{2}\\b=\frac{-3+ 2\sqrt{3}}{2}\textrm{ or }b=\frac{-3- 2\sqrt{3}}{2}$

Therefore, the values of $b$ are:

$\frac{-3+ 2\sqrt{3}}{2}\textrm{ and }\frac{-3- 2\sqrt{3}}{2}$

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4 years ago

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Write each fraction or mixed number as a number as a decimal 2 3/8

weeeeeb [17]

Answer:

$\tt2.375$

Step-by-step explanation:

$\tt = 2 \frac{3}{8}$

$\tt = \frac{8 \times 2 + 3}{8}$

$\tt = \frac{19}{8}$

$\tt = 19 \div 8$

$\tt = 2.375$

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3 years ago