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melomori [17]
2 years ago
5

Simplify 7y+7-8(y-7)

Mathematics
2 answers:
Salsk061 [2.6K]2 years ago
8 0

Answer:

-y + 63

Step-by-step explanation:

Let's start like by solving the order of operations, and then add our Y's:

7y + 7 + −8y + 56

Adding:

+63 - y

Simplifying:

-y + 63

Thus, our answer is -y + 63

Alex787 [66]2 years ago
5 0

Answer:

-y+63

Step-by-step explanation:

You need to distribute the -8 by multiplying it to y and -7 therefore making 7y+7-y+56. Then you subtract 7y by 8y and then add 7 with 56

As a result, you then get -y + 63

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a fall dance sold 18 tickets during the first day of sales. this was 25% of the total sales. how many tickets were sold to the f
alexandr402 [8]

Answer:

72

Step-by-step explanation:

I have a weird way of doing it

so if 18 is 25%

18+18=36

then 36 would be 50%

36+36=72

so then 72 would be 100%

72*.25=18

6 0
3 years ago
Read 2 more answers
Y=1/4x−2y=−2x+3 help solve problem.
8_murik_8 [283]

Answer:

  (x, y) = (2 2/9, -1 4/9)

Step-by-step explanation:

Equate the values of y and solve for x.

  1/4x -2 = -2x +3

  (2 1/4)x = 5 . . . . . . . . add 2+2x to both sides

  x = 20/9 = 2 2/9 . . . multiply by 4/9

  y = -2(2 2/9) +3 = -4 4/9 +3 . . . . substitute for x in the second equation

  y = -1 4/9

The solution is x = 2 2/9, y = -1 4/9.

7 0
2 years ago
I really hate summer school help plz
Elena L [17]
This is a same side interior angle, which means that the two angles, when added, will equal 180°

y + 72 = 180

Isolate the y, subtract 72 from both sides

y + 72 (-72) = 180 (-72)

y = 180 - 72

y = 108

A) 108°, is your answer


hope this helps
3 0
3 years ago
Read 2 more answers
You randomly choose two bills from your wallet. What is the probability that they are both $20 bills. There are two 20's, one 10
Softa [21]

Answer:

2/6 or 33.33%

Explanation:

There are 6 numbers all together and 2 of them are 20$.As a fraction this would look like 2/6. 2/6 is also 33.33% of the wallet and its also the probability of pulling out a $20 bill

7 0
2 years ago
Read 2 more answers
Here you go the brainless
kvv77 [185]
m= \frac{y_1-y_2}{x_1-x_2}  \\ m= \frac{2-(-2)}{-4-(-1) } \\ m= \frac{4}{-3} \\ m=- \frac{4}{3}
6 0
3 years ago
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