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Nana76 [90]
3 years ago
15

Y= 3, 2x+9y=7 i don’t get this question

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

2x+27=7

2x=-20

x=-10

Step-by-step explanation:

substitute 3 in for all y's and multiply.

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Morgan scored 41 points in 5 games. How many points would you expect him to make in an 21 game season. Round your answer to the
faust18 [17]

Answer: 172

Step-by-step explanation:

If what I did is right, the answer is 172.2 since 41/5 is 8.2 and I multiply 8.2 times 21, I get 172.2, which rounds to 172.

3 0
3 years ago
What is the equation of the line perpendicular to the line y=3x+2 and passing through the point (3, -4)
aleksklad [387]

Answer:

<h2>D: y= -(1/3)x -3</h2>

Step-by-step explanation:

(3, -4)=(x,y)\\y=3x+2\\\\m_1 =3\\In\: perpendicular\: line ;\\\\m_2 = \frac{-1}{m_1} \\m_2 = \frac{-1}{3} \\m_2 = -1/3\\\\Substitute \:new\:values\:into\: ;y=mx+b\\\\-4 = -\frac{1}{3} (3) + b\\-4 = -1 +b\\-4+1 =b\\-3 =b\\Substitute \:new\:values\:into\: ;y=mx+b\\y =-\frac{1}{3}x -3

5 0
4 years ago
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Wittaler [7]

Answer:

7

Step-by-step explanation:

I don't completely understand what you were asking, but if you were counting by 7's, 91 would be after 84 instead of just 90.

8 0
2 years ago
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IrinaK [193]
5^3 is 5 to the power of 3 that is equal to 5x5x5=125
6 0
3 years ago
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JulijaS [17]

Answer:

the answer is x< −2 /3  y+ 2 /3 but it goes on the bottom

Step-by-step explanation:

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