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Shalnov [3]
3 years ago
11

4a² + 6a + 1) + (4a2 + 2 – 7a)

Mathematics
1 answer:
blondinia [14]3 years ago
5 0

the answer is 8a^2-a+3

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39 rounded to the nearest tenth
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The correct answer is 39.0
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Read 2 more answers
You have 20 quarters and then find 40% more and then spend 75% how much money do you have left
kirza4 [7]

You have $1.75 left

Step-by-step explanation:

Given,

Number of quarters already have = 20

Percent of quarters found = 40% of already have

Number of quarters found = \frac{40}{100}*20

Number of quarters found = \frac{800}{100}

Number of quarters found = 8

New total = 20+8 = 28 quarters

Percent of quarters spent = 75%

Number of quarters spent = \frac{75}{100}*28

Number of quarters spent = \frac{2100}{100}

Number of quarters spent = 21

Quarters left = 28-21 = 7

1 quarter = 25 cents

7 quarters = 25*7 = 175 cents

$1 = 100 cents

175 cents = \frac{175}{100}=\$1.75

You have $1.75 left

Keywords: division, addition

Learn more about division at:

  • brainly.com/question/2116906
  • brainly.com/question/2131336

#LearnwithBrainly

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4 years ago
Write a scenario that could work for the following line of best fit: y = x + 1. Explain the slope and intercept in this context.
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The registration for new members of a gym is $ 1.
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Does this graph show a function? Explain how you know.​
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Answer:

the answer is C. No, it fails the vertical line test.

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3 years ago
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