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dezoksy [38]
2 years ago
9

= 9x2 +9x -18,/ 3x +6

Mathematics
1 answer:
Ede4ka [16]2 years ago
3 0

Answer:24+3x

Step-by-step explanation:

maybee i just used photomath

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Evaluate the expression. 2x – 19, when x = –11 3 –41 –3 41
kakasveta [241]
Substitute (-11) in for x. You will get 2(-11)-19. Then, use the order of operations to get -22-19=
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Hope that helps!
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HELP ASAP
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D=dollars earned
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(1,5) (2,10) (3,15)

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Estefani‘s house is at point E (3,-2) and Jasmin’s house is at point J (-5,3). Jasmin’s house is the Mid-point of Estefani’s hou
iren [92.7K]

The formula for midpoint is

(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2})

Look at the image below to see the line segment of Estefani's (A), Jasmin's (M), and Preston's (B) houses. Keep in mind that the segment shown below is not accurate in regards to how the line segment formed by Estefani's, Jasmin's, and Preston's houses. It is simply there so you can picture the segment better.

In this case:

x_{1} =3\\x_{2} =unknown\\y_{1} =-2\\y_{2} =unknown

^^^Plug in these number into the formula given above...

(\frac{3+x}{2}, \frac{-2 + y}{2})

To find what x is (a coordinate of Preston's house) you must take the x-value part of the midpoint equation (\frac{3+x}{2}) and set it equal to the x-value of the midpoint (-5). Then you must solve for x:

\frac{3+x}{2} = -5

3 + x = -5 * 2

3 + x = -10

x = -10 - 3

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To find what y is (a coordinate of Preston's house) you must take the  y-value part of the midpoint equation(\frac{-2 + y}{2}) and set it equal to the y-value of the midpoint (3). Then you must solve for y:

\frac{-2 + y}{2} = 3

-2 + y = 3 * 2

-2 + y = 6

y = 6 + 2

y = 8

The coordinate of Preston's house is:

(-13, 8)

Hope this helped!

~Just a girl in love with Shawn Mendes

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2 years ago
Is r=3 a solution to the inequality r+4>7
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No, r=3 can’t be a solution to this inequality. If we plug it in we get: 3+4>7 or 7>7 which is false. r should be more than 3.
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3 years ago
What are the possible values of x in 32x + 20 = 28x − 16x2?
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Answer:

B .`-(1)/(8) stackrel(+)(-) (isqrt(79))/(8)`

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