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Serggg [28]
3 years ago
10

42 dollars is 72% of what number

Mathematics
1 answer:
Nataliya [291]3 years ago
5 0
42 dollars is 72% of what number?
58.33
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In ΔPRQ, the midsegment XY¯¯¯¯¯ is 4 units long. What is the length of QR¯¯¯¯¯?
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In this problem we have that

XY is parallel to QR

triangle PQR is similar to triangle PXY

PY=YR \\PX=XQ

so

by proportion

\frac{QR}{XY}= \frac{PR}{PY}

we have

XY=4\ units

PR=2PY\ units

substitutes

\frac{QR}{4}=\frac{2PY}{PY}

\frac{QR}{4}=2

QR=8\ units

therefore

<u>the answer is</u>

8\ units

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Figure WXYZ is a rectangle. What are the<br> coordinates of point W?
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Answer:

(2,9)

Step-by-step explanation:

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Which equation represents a line perpendicular to the x axis<br><br> x=-4<br> y=x+2<br> y=2<br> y=x
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Answer:

y=x

Step-by-step explanation:

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Donna bought a notebook for $3.50 and then spent half of her money for a textbook. Next she bought sheet music for $4.00 and the
Lady bird [3.3K]

Answer:

$43.50

Step-by-step explanation:

<em>(Work out backward to find the answer)</em>

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=> 8 x 2 = 16

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Hence, she had $ 43.50 at the beginning.

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3 years ago
The diameter of the circlular garden is 16 feet what is the approximate area of the garden? Please hurry
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