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Colt1911 [192]
3 years ago
15

Solve x2 + 8x + 8 = 0 by completing the square. Which equation is used in the process?

Mathematics
1 answer:
maria [59]3 years ago
3 0
There was two solutions found
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The perimeter of a hexagon with all equal sides<br>is 9.0m. How long is each side?​
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Answer:

1.5m

Step-by-step explanation:

A hexagon has 6 sides,

so divide 6 by 9.0m

you get 1.5m

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Zhen borrows $1,200. She borrows the money for 2 years and owes $180 in simple
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Answer: 7.5

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 7.5%/100 = 0.075 per year,

then, solving our equation

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For the first one x = 55
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3 years ago
Brandon enters bike races. He bikes 91 half miles every1 half hour. Complete the table to find how far Brandon bikes for each ti
posledela

Using proportions, it is found that he bikes:

  • 19 miles in one hour.
  • 28.5 miles in one and a hour.
  • 38 miles in two hours.
  • 47.5 miles in two and a hours.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

In this problem, the proportion is that he bikes 9.5 miles each half hour, hence:

  • In one hour, he bikes 2 x 9.5 = 19 miles.
  • In one and a half hour, he bikes 3 x 9.5 = 28.5 miles.
  • In two hours, 4 x 9.5 = 38 miles.
  • In two and a half hours, he bikes 5 x 9.5 = 47.5 miles.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

4 0
2 years ago
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