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slamgirl [31]
3 years ago
15

Which of the following best describes the graph of this system of equations ? y=-2x+3 and 5y=-10x +15

Mathematics
1 answer:
ELEN [110]3 years ago
6 0

Remark

When talking about straight lines, D is never true. Never.

C is possible, but in this case not true. Read on.

B. Might be true but in this case it is not. The lines (to be parallel) have to have the same number in front of the x. These two lines do when you divide through by 5. But the y intercept has to be different. That is not so in this case. So B is incorrect.

A is your answer. If you divide through by 5 on the second one, you get the first one. They are identical.

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Answer:

-7 < -5

Step-by-step explanation:

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3 years ago
What is the sum 5/3 +(1/5) please and explain
solmaris [256]
We need to find a common denominator(bottom number of fraction)

5/3 = 25/15 (multiply both top and bottom by 5)
1/5 = 3/15 (multiply both top and bottom by 3)

Now since the denominator is the same we can add to get 25/15 + 3/15 = 28/15
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Step-by-step explanation:

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2 years ago
Please solve this for me thank you!
melamori03 [73]

Answer:

620.14

Step-by-step explanation:

Original Equation:

\frac{4y}{1.025^4}+y-2y(1.05)^2=1500

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3.6238025791990193084270042653997y + y - 2.205y = 1500

Add like terms

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