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agasfer [191]
3 years ago
11

Does the point (3,1/5) lie on the line defined by 2x + 5y = 5

Mathematics
1 answer:
salantis [7]3 years ago
4 0
Plug in values and check for equality.

2(3)+5(1/5)=5
6+5(1/5)=5
6+1=5
7=5

Final answer: No
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If M = 5x2 + 7x - 4 and N = -3x2 - 4x + 5, then M - N equals
Alinara [238K]

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8x^2+11x-9

Step-by-step explanation:

That is the answer :))

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Hello please help thanks
ikadub [295]

Answer:

most likely the last choice

Step-by-step explanation:

6 0
2 years ago
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2(x - 2) = -4x + 44 what does x equal
Komok [63]
2(x - 2) = -4x + 44

First, expand. / Your problem should look like: 2x - 4 = -4x + 44
Second, add 4 to both sides. / Your problem should look like: 2x = -4x + 44 + 4
Third, simplify -4x + 44 + 4 to get -4x + 48. / Your problem should look like: 2x = -4x + 48
Fourth, add 4x to both sides. / Your problem should look like: 2x + 4x = 48
Fifth, add 2x + 4x to get 6x. / Your problem should look like: 6x = 48
Sixth, divide both sides by 6. / Your problem should look like: x =  \frac{48}{6}
Seventh, simplify \frac{48}{6} to 8. / Your problem should look like: x = 8

Answer: x = 8

5 0
3 years ago
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Which of the following is equivalent to <br><br> 5t−2r=25
lidiya [134]

Answer:

Solving for t : t=5+2r/5

Solving for r : r=-25/2+5t/2

Step-by-step explanation: Move all of your terms that don't contain r to the right side and solve. Move all terms that don't contain t to the right side and solve.

Hope this helps you out! ☺ I just solved it and I don't have any choices to go off of and so I just solved it. Sorry if it's wrong. ☺

3 0
3 years ago
PLEASE HELP ME WITH THIS! A flower bed is in the shape of a triangle with one side twice the length of the shortest​ side, and t
LUCKY_DIMON [66]

Answer:

A=60, B=80, and C=67

Step by step explanation:

B= 2a

C= a+27

With the information, you get the equation:

A+A+27+2A=187

Then, you have to simplify.

You then get 4a+27=187.

Now, you subtract 27 from both sides to get: 4a=60.

Divide both sides by 4 to get A= 60.

If A=60, 2A=80, so B=80. A+27=67, so C=67.

You check this by adding them up to see if they equal to 187, which in fact, they do.

A=60, B=80, and C=67.

Hope this helped!

7 0
2 years ago
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