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diamong [38]
3 years ago
6

Please answer this question, 27 points and brainliest!

Mathematics
1 answer:
Sati [7]3 years ago
6 0

Answer:

the coordinates of the center of rotation is (4 , 3)

Step-by-step explanation:

*The line which passes through points (4 , 1) and (4 , 5) is vertical because the points have same x coordinates and its length is 5 - 1 = 4

*The line which passes through points (2 , 3) and (6 , 3) is horizontal because the points have same y coordinates and its length is 6 - 2 = 4

*These two lines intersect each other at their mid-point and this mid-point is the center of rotation

*The mid point is (\frac{4+4}{2},\frac{5+1}{2} )= (4,3)

 or (\frac{2+6}{2},\frac{3+3}{2}=(4,3)

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(5x+6xy-4)-(-6x+7xy+2)
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(5x+6xy-4)-(-6x+7xy+2)

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4 years ago
At the movies, a couple bought 2 medium drinks and a large popcorn for
LuckyWell [14K]
Let's make p stand for popcorn and d for drinks. Using those variables, we can create our equations:
2p + 3d = 18.25
4p + 2d = 27.50

From this, we can use substitution or elimination to solve:
For substitution, in the second equations, we could factor out a 2, divide both sides by 2, and then move the left over 2p to the other side to isolate d to put into the first equation.
For elimination, we can multiply the first equation by -2 so that we can remove the 4p and focus on solving for d.

I'll be using elimination in this case:
-2(2p + 3d = 18.25) --> -4p - 6d = -36.50

-4p - 6d = -36.50
4p + 2d = 27.50
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d = 2.25

4p + 2 * 2.25 = 27.50
4p + 4.50 = 27.50
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p = 5.75

Now let's check our answer:
2 * 5.75 + 3 * 2.25 = 18.25
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18.25 = 18.25

So drinks cost $2.25 and popcorn $5.75
7 0
3 years ago
Reading 183 pages in 61 minutes is a pace of how many pages a minute
Oksanka [162]

Answer: 3 pages per minute

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You can check this by multiplying 3 by 61 which = 183.

8 0
3 years ago
Read 2 more answers
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