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3 years ago

7

Rationalize the denominator and simplify

1 answer:

Llana [10]3 years ago

6 0

The answer is number A

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In ΔHIJ, the measure of ∠J=90°, JH = 81 feet, and HI = 91 feet. Find the measure of ∠I to the nearest degree.

kakasveta [241]

Answer:

63°

Step-by-step explanation:

$Sin0=\frac{81}{91}$

$x=sin^{-1}(81/91)\\\\$

$= 62.887$

≈ 63°

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3 years ago

Solve the system of equations -x-2y=0 and -x+y=6 by combining the equations

Elden [556K]

Answer:

x=-4 and y=10

Step-by-step explanation:

Use the second equation to make y=x+6

sub y=x+6 into the first equation

-x-2*(x+6)=0

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-3x-12=0

3x=-12

x=-4

Now sub x=-4 into the second equation

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y=6+4

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2 years ago

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Andre45 [30]

Answer: what are the answer choices ?

Step-by-step explanation:

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2 years ago

Last week a sales representative earned a salary of $412.56 and a commission of 72.48 how much did the earn in all?

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3 years ago

What is the constant of proportionality?<br> 13<br> 39<br> 42<br> 78

Nana76 [90]

The constant of proportionality is 13

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3 years ago