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svetlana [45]
3 years ago
14

Please help urgent 7th grade math question?! begging?

Mathematics
1 answer:
ch4aika [34]3 years ago
3 0

Answer:

no. B 40x+30y=60 l think

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3/4<br> What fraction is equivalent to the fraction above.
SSSSS [86.1K]

Answer: 6/8, 12/16, 15/20, 18/24, are all equal

Step-by-step explanation:

4 0
2 years ago
10 POINTS!! HELP ASAP!! What is the length of AC?
My name is Ann [436]

Answer:

D

Step-by-step explanation:

Δ CED and Δ CAB are similar thus the ratios of corresponding sides are equal, that is

\frac{CE}{CA} = \frac{ED}{AB} , substitute values

\frac{x}{156-x} = \frac{7}{84} = \frac{1}{12} ( cross- multiply )

12x = 156 - x ( add x to both sides )

13x = 156 ( divide both sides by 13 )

x = 12

Thus

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4 0
3 years ago
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A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test.
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7 0
3 years ago
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Andrew [12]
If you want the answer youse a calculator or do 21 divided by 38
5 0
2 years ago
Can you walk me through on how to do this
denpristay [2]

Answer:

h=v/πr²

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v=πr²h

v/π=r²h

v/πr²=h

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