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Anna11 [10]
4 years ago
11

The equation shows the relationship between x and y:

Mathematics
2 answers:
Margarita [4]4 years ago
7 0
The slope is 7 and the y-intercept is (0,9)
Degger [83]4 years ago
6 0
 i think it is -7 because you just subsitute it in

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I need these three solved. I have a lot of math to do. the directions say solve each system of equations using substitution. sho
alekssr [168]

Answer:

5.

x + 2(x + 1) = 8 --> x = 2

y = 2 + 1 = 3

7.

3(9 + 2y) + 5y = 20 --> y = -7/11

x = 9 + 2(-7/11) = 85/11

9.

3(-1 - 2y) + 5y = -1 --> y = -2

x = -1 - 2(-2) = 3


6 0
3 years ago
Tom is 8 years younger than John. Let j represent John's age in years. Write an algebraic expression to represent Tom's age in y
AlexFokin [52]

Answer:

(j-8)years is the answer to the question

5 0
2 years ago
Please help me with this one
ruslelena [56]

Answer:

3.9375

Step-by-step explanation:

3 0
3 years ago
The number 7 is what percent of 80
xz_007 [3.2K]

Answer:

5.6

Step-by-step explanation:because if you divide correctly it will equal 5.6

3 0
3 years ago
Amaya is excited to go to the used video game store to buy a game system later today. The game system usually costs x dollars, b
Ksenya-84 [330]

Answer:

x(85/100)

Step-by-step explanation:

100-15 = 85

x(85/100)

5 0
3 years ago
Read 2 more answers
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