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3 years ago

Please help!! 40 points x

Mathematics

2 answers:

Alika [10]3 years ago

7 0

Answer: x = 7

Step-by-step explanation:

meriva3 years ago

7 0

Answer:

x = 7

Step-by-step explanation:

Two angles next to each other equal 180 degrees. Therefore, angle 1 and 2 add up to 180.

180 - 112 = 68 (angle 1)

Because of parallel lines, angle 1 and angle 5 are equal.

9x + 5 = 68

9x = 63

x = 7

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What’s the Answer?? Please!!

Nataly [62]

Finding the slope using two points:

The formula for slope is

$\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

In this case...

(1, 9) and (-3, 16)

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^^^Plug these numbers into the formula for slope...

$\frac{16-9}{-3 -1}$

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C. $\frac{-7}{4}$

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3 years ago

Which equation is the inverse of 2(x - 2)^3=8(7+y)

irina1246 [14]

Answer:

$\large\boxed{y=2\pm\sqrt{28+4x}}$

Step-by-step explanation:

$2(x-2)^2=8(7+y)\\\\\text{exchange x to y, and vice versa:}\\\\2(y-2)^2=8(7+x)\\\\\text{solve for y:}\\\\2(y-2)^2=(8)(7)+(8)(x)\\\\2(y-2)^2=56+8x\qquad\text{divide both sides by 2}\\\\(y-2)^2=28+4x\iff y-2=\pm\sqrt{28+4x}\qquad\text{add 2 to both sides}\\\\y=2\pm\sqrt{28+4x}$