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Reptile [31]
3 years ago
6

A sporting goods store is selling all their exercise equipment for 30% off.

Mathematics
1 answer:
ra1l [238]3 years ago
4 0

Answer:

weird

Step-by-step explanation:

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PLEASE ANSWER THIS 30 POINTS BRAINLIEST WILL BE GIVEN PICTURE INCLUDED!!
den301095 [7]
The first step is to quickly factor each of the five equations... to do so, find the right factors of the 3rd given number so that they add up in an equal number to the second number... 14 = -7 • -2 and -9 = -7 + -2


a^2 - 9a + 14 = 0
(a - 7) (a - 2)

a - 7 = 0, a = 7
a - 2 = 0, a = 2

{2,7}



a^2 + 9a + 14 = 0
(a + 7) (a + 2)

a + 7 = 0, a = -7
a + 2 = 0, a = -2

{-2, -7}


a^2 + 3a - 10 = 0
(a + 5) (a - 2)

a + 5 = 0, a = -5
a - 2 = 0, a = 2

{-5, 2}


a^2 - 5a - 14 = 0
(a - 7) (a + 2)
a - 7 = 0, a = 7
a + 2 = 0, a = -2

{-2, 7}
5 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E%7B2%7D%2B11%7D%2B4%3D2x%5C%5C" id="TexFormula1" title="\sqrt{x^{2}+11}+4=2x\\"
Doss [256]

Answer:

x = 5

Step-by-step explanation:

Hope this helps! :D

3 0
2 years ago
Question 22 of 25<br> Which of the following is most likely the next step in the series?
forsale [732]

Answer:

B

Step-by-step explanation:

6 0
2 years ago
The equation through the point (-2, 5) and is parallel to the line with the equation y=2x+7
andrezito [222]
If a line is parallel to y=2x+7 the line must have the same slope but different y- intercept. The equation y=2x+7 has a slope (m) of 2 and y- intercept of 7.

By using the point slope formula and the point (-2,5) we have:

y = m(x -x1) + y1 \\  \\ y = 2(x - ( - 2)) + 5 \\  \\ y = 2(x + 2) + 5 \\  \\ y = 2x + 4 + 5 \\  \\ y = 2x + 9
8 0
2 years ago
What is the square root of ab^2 ?
kap26 [50]

Answer:

b\sqrt[n]{a}

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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