2 years ago

Please someone help me I need help!!

Mathematics

1 answer:

Sphinxa [80]2 years ago

8 0

Answer- your answer would be 5/11

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What’s 7y+8=57?????!!?!????

forsale [732]

Ok so basically your going to subtract 57-8 which is 49. So now you have 7y=49 so now divide 49 by 7 which is 7. So your answer is 7 and to check your work substitute 7 for y so.... 7(7)+8=57 so 57=57 which is accurate

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3 years ago

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Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

aksik [14]

Answer:

9x - 5y = 29

9*1 - 5y = 29

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3 years ago

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PQ is rotated 180 degrees clockwise about P. What are the coordinates of P' and Q'?

Salsk061 [2.6K]

The co ordinates of P' is (-7,-2) and Q' is (-16, -8)

Explanation

PQ is rotated 180 degrees clockwise about P. It means P and P' are the same points.

According to the graph, the coordinates of P is (-7, -2) and Q is (2, 4)

When PQ is rotated 180 degrees clockwise about P, then P or P' will be the mid-point of Q and Q'

Suppose, the co ordinate of Q' is (x, y)

Now according to the mid-point formula, the coordinate of P or P' will be: $(\frac{x+2}{2},\frac{y+4}{2})$ , which is actually at (-7, -2)

Thus.....

$\frac{x+2}{2}=-7\\ \\ x+2=-14\\ \\ x= -16\\ \\ and\\ \\ \frac{y+4}{2}= -2\\ \\ y+4= -4\\ \\ y= -8$

So, the co ordinates of P' is (-7,-2) and Q' is (-16, -8)

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3 years ago

How many servings can be made from 108 cups of punch?

yarga [219]

38 servings I think

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3 years ago

I don't know it at all I need help

damaskus [11]

I hope this helps you

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4 years ago