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hoa [83]
3 years ago
15

PLEASE HEELP !!!!!!!!

Mathematics
1 answer:
ad-work [718]3 years ago
6 0

Answer:

that is confusinnnnnnnnnggggggggggg!!!! try to look on google to see if it helps! thats what i do sometimes!!!!

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Ben and Alyssa play a game in which they earn the same number of points for each goal and lose the same number of points for eac
Nadya [2.5K]

Answer:

Each goal gives 5 points and a penalty costs 7 points.

Step-by-step explanation:

Let a penalty cost = x points

And a goal gives = y points

Ben makes 7 goals and 2 penalties ending the game with 21 points,

7y - 2x = 21 --------(1)

Alyssa makes 10 goals and 8 penalties ending the game with (-6) points,

10y - 8x = -6

5y - 4x = -3 --------(2)

Equation (1) multiplied by 2, then subtracted from equation (2),

(5y - 4x) - 2(7y - 2x) = -3 - 2(21)

5y - 4x - 14y + 4x = -3 - 42

-9y = -45

y = 5

From equation (1)

7(5) - 2x = 21

35 - 2x = 21

2x = 35 - 21

2x = 14

x = 7

Therefore, each goal gives 5 points and a penalty costs 7 points.

5 0
3 years ago
220 is 95.3% of what number?
Elis [28]
To get the answer we can use proportion
220 ----------------95.3%
x -------------------100%
Crossmultiply now
220*100%=95.3%*x
22000=95.3x                 /:95.3
22000:95.3=x
231=x - its the answer
3 0
3 years ago
Read 2 more answers
Which of the following equations would not have a solution that is the same as the solution to the system. shown below?
Shtirlitz [24]

Answer:

Step-by-step explanation:

8 0
3 years ago
So we are suppose to Factor each expression, But I’m having trouble with that, Can someone help me?
Gre4nikov [31]
42x can be factored into 7(6x), and 49 is square, meaning it can be factored into 7 squared. I believe the factored expression would be 7(6x + 7) because 7 is the greatest common factor between both numbers.

3 0
3 years ago
Billy’s gave his dad 1/2 of his cookie. How much did billy have left to eat
Ugo [173]

Answer:

literally just 1/2 of the cookie left

4 0
4 years ago
Read 2 more answers
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