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Serhud [2]
3 years ago
9

6(6v +6) - 5 = 1 + 6v Need answer with explaination

Mathematics
2 answers:
Tresset [83]3 years ago
6 0

Answer:

v=-1

Step-by-Step Explanation:

mart [117]3 years ago
6 0

Answer:

v=-1

Step-by-step explanation:

6\left(6v+6\right)-5=1+6v

<u>Use the distributive property to multiply 6 by 6v+6:</u>

<u></u>36v+36-5=1+6v<u></u>

<u>Subtract 5 from 36 = 31</u>

<u></u>36v+31=1+6v<u></u>

<u>Subtract 6v from both sides:</u>

<u></u>36v+31-6v=1<u></u>

<u>Combine like terms:</u>

<u></u>36v<u> and </u>-6v<u> </u>=30v<u></u>

<u></u>30v+31=1<u></u>

<u>Subtract 31 from both sides:</u>

<u></u>30v=-30<u></u>

<u>Divide both sides by 30:</u>

<u></u>\cfrac{30v}{30}=\cfrac{-30}{30}<u></u>

<u></u>v=-1<u></u>

<u>_________________________</u>

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Marcus has earned 353 out of 400 points (88% or B+) in Math class. He needs 90% to earn an A-. There is one test left worth 100
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Answer:

97

Step-by-step explanation:

Marcus is aiming for an A- (90-94 percent). The question states that there is another test awaiting that is worth 100 points. In order to find the answer to the question, you need to:

1.) Add 400 + 100, to show how many points there are in total.

2.) Use the answer choices and add it to 353.

88 + 353 = 441

93 + 353 = 446

97 + 353 = 450

3.) Find the percentage of the sums.

441/500 = 88%

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450/500 = 90%

Since Marcus is aiming for an A-, we can conclude that obtaining 97 points will help Marcus achieve an A-.

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1. The growth rate equation has a general form of:

y = A (r)^t

The function is growth when r≥1, and it is a decay when r<1. Therefore:

y=200(0.5)^2t                    --> Decay

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2. We rewrite the given equation (1/3)^d−5 = 81

 

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