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Alika [10]
3 years ago
12

8. (03.02 MC)

Mathematics
1 answer:
denis-greek [22]3 years ago
7 0

Answer:

  -2

Step-by-step explanation:

Put the given value in the equation and solve for x.

  f(x) = 12

  f(x) = 2(x +8)

  12 = 2(x +8) . . . . . use 12 for f(x)

  6 = x +8 . . . . . . . . divide by 2

  -2 = x . . . . . . . . . . subtract 8

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JK has a midpoint at M(7, 2). Point J is at (7, 4). Find the coordinates of point K.
Svetllana [295]

The coordinates of point K(7, 0).

Given, JK has midpoint M(7, 2).

And, the coordinates of point J(7, 4).

We have to find the coordinates of point K.

As M is the midpoint, therefore by using the midpoint formula.

(xₙ + yₙ) = (x₁ + x₂/2 , y₁ + y₂/2)

Using x-coordinates,

xₙ = x₁ + x₂/2

7 = x₁ + 7/2

14 = x₁ + 7

or x₁ = 7

Nos using y-coordinates,

yₙ = y₁ + y₂/2

2 = y₁ + 4/2

4 = y₁ + 4

y₁ = 0

Therefore, the coordinates of point K(7, 0).

The coordinates of J(7, 4); K(7, 0); and M(7, 2).

To learn more about midpoints, visit: brainly.com/question/4637646

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4 0
1 year ago
Reflect the point (2, -4) over the y-axis.
diamong [38]

Answer:

I think its a. (-2,-4)

Step-by-step explanation:

7 0
3 years ago
What is the value of k?<br> k=
noname [10]

Answer:

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8 0
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Mariel brought 48 brownies to school for a class party. The class ate 5/6 of the brownies, and Mariel brought the rest home. How
OverLord2011 [107]

Answer:

8 brownies

Step-by-step explanation:

Let's figure out how many brownies the class ate

Multiply 48* 5/6=40

Then, subtract how many the class ate from the total

48-40=8

So, he brought home 8 brownies

Hope this helped!

6 0
3 years ago
Read 2 more answers
The temperature dropped 12F in 8 hours .if the final temperature was -7,what was the starting temperature
bekas [8.4K]
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6 0
3 years ago
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