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beks73 [17]
3 years ago
14

Please explain 10-15. Thank you

Mathematics
2 answers:
Reptile [31]3 years ago
4 0
5 because 15 -10 is 5
boyakko [2]3 years ago
3 0
10. 79 and x are vertical angles so they are equal to each other
11. 62 and x are complentary so they should add up to 90. Subtract 62 from 90 or setup the equation 62+x=90 to find your answer
12. 47 and x are supplementary angles so they add up to 180. Subtract 47 from 180 or setup the equation 47+x=180 to find your answer
13. 43+x must equal 90 because the two angles are complementary. After solving for that, subtract 90 from 180 to find y.
14. To find x subtract 88 from 180. x and z are vertical angles so they are equal, and 88 and y are vertical angles so they are also equal.
15. To find x subtract 90 from 180. To find y add 42 and 53 and subtract it from 180.
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Answer:

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Step-by-step explanation:

1. 5x^2 + 12x -3 =0

The best way to solve this equation is quadratic formula as all the terms in the equation have coefficients it will be convenient to solve it through quadratic formula.

2. x^2 -4x = 8

The best way to solve this equation is by completing the square as the factors cannot be made directly.

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the best way to solve this equation is to solve by square root method as the 25 and 4 are perfect squares.

4. x^2-5x+ 6 = 0

The best way to solve this equation is to solve by factoring as it can clearly be seen that it is convenient to make factors ..

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3 years ago
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Answer:

12

Step-by-step explanation:

(5/25)(15/24)

3 0
2 years ago
Which coordinate pair is a solution of the equation below?
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