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3 years ago

PLS HELP!! i need to figure it out please ill give brainliest

Mathematics

1 answer:

victus00 [196]3 years ago

8 0

Step-by-step explanation:

x is 12 because DE is twice BC

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Complete the area model to identify the quadratic expression it represents.

Alex787 [66]

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3 years ago

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What is the measure of c?<br> A. 20<br> B. 14<br> C. 16<br> D. 22

Harman [31]

Answer:

Step-by-step explanation:

The measurements of the segments fall on similar triangles. This means the lengths of each segment can be found using proportions.

Remember, a proportion is an equation which sets equal ratios equal to each other.

$\frac{c}{k}=\frac{a}{j}\\\\\frac{c}{32}= \frac{15}{24}$

To solve for c, multiply numerators and denominators across the equal sign:

24c = 32(15)

24c = 480

c = 20

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3 years ago

What fraction is equivalent to a repeating decimal

klasskru [66]

Answer:

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3 years ago

Convert the fraction 7 24 into a repeating decimal.

goldenfox [79]

$\dfrac7{24}=\dfrac6{24}+\dfrac1{24}=\dfrac14+\dfrac1{24}$

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We can choose $a=-1$ and $b=\dfrac12$ , so that

$\dfrac1{24}=-\dfrac18+\dfrac16$

Recalling that $\dfrac13=0.333\ldots$ , it follows that $\dfrac16=0.166\ldots$ . So,

$\dfrac1{24}=0.125+0.166\ldots=0.04166\ldots$
$\implies\dfrac7{24}=0.25+0.4166\ldots=0.29166\ldots$

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