3 years ago

Please help! [(a-ab)/a^2] divided by [(a-1)/a^3]

Mathematics

1 answer:

viva [34]3 years ago

6 0

Answer:

Step-by-step explanation:

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Find the measures of all four angles if 3·(m∠1+m∠3) = m∠2+m∠4.

mixas84 [53]

Answer:

Step-by-step explanation:

m∠1=m∠3

m∠2=m∠4

3*(m∠1+m∠3)=m∠2+m∠4

3*(m∠1+m∠1)=m∠2+m∠2

3×2 m∠1=2 m∠2

m∠2=3 m∠1

now m∠1+m∠2=180°

m∠1+3 m ∠1=180

4 m∠1=180

m∠1=180/4=45°

m∠3=45°

m∠2=180-m∠1=180-45=135°

m∠4=135°

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3 years ago

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Answer:

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Step-by-step explanation:

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A television regularly selling for $500 is marked down to $300.

Igoryamba

He saves $200 (the amount of change over the original amount $500

200/500 = 2/5 and 2/5 = 40% (divide 2 by 5 and get .4 which = 40%)

40% discount is the answer to your question

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3 years ago

An architect is standing 250 feet from the base of a building and would like to know the height of the building. If he measures

GREYUIT [131]

see the figure below to better understand the problem

we have that

$\begin{gathered} tan55^o=\frac{h}{250}---->\text{ by TOA} \\ \\ solve\text{ for h} \\ h=250*tan55^o \\ h=357.0\text{ ft} \end{gathered}$ <h2>The answer is 357.0 feet</h2>

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1 year ago