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Step2247 [10]
2 years ago
6

3x+2y=-15 2x=-18 elimination

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
5 0

Answer: (-9,6)


Step-by-step explanation:

3x+2y=-15

2x=-18

First solve for x in second equation

2x=-18

2x/2=-18/2

X= -9

Now substitute your x into first equation to find y

3(-9)+2y= -15

-27+2y=-15

2y= -15+27

2y= 12

2y/2=12/2

Y= 6

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Sergeeva-Olga [200]

Answer:

y = 8x + 25

Step-by-step explanation:

Using the coordinates (10, 105) and (20, 185)

The standard linear equation is expressed as y = mx+c

m is the slope

c is the intercept

m = 185 - 105/20-10

m = 80/10

m = 8

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Since y = mx+c

105 = 8(10) + c

105 = 80 + c

c = 105 - 80

c = 25

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Hence the required equation is y = 8x + 25

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3 years ago
Gabe rolled 14 strikes out of 70 attempts. What percent of Gabe's attempts were strikes?
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Answer:

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Step-by-step explanation:

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2 years ago
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tino4ka555 [31]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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