2 years ago

2x-y=3 ; 5x+2y=30 solve using elimination

Mathematics

1 answer:

Zigmanuir [339]2 years ago

4 0

Answer:

x = 4, y = 5

Step-by-step explanation:

$2x-y=3\\4x-2y=6$

so:

$4x - 2y = 6\\+ 5x + 2y = 30\\9x= 36\\x=4$

Substitute this into 2x - y = 3:

$8-y=3\\y = 5$

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Can someone help with this thanks

Maksim231197 [3]

I believe it’s 12000 because 30x50=1500 1500x2=3000 now 3000x4=12000

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Which relationship has a zero slope?

deff fn [24]

Answer:

B. A two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3. The second column, y, has the entries, 3, 1, negative 1, negative 3.

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2 years ago

The mean weight of five complete computer stations is 163 pounds. The weights of four of the computer stations are 155 pounds, 1

Sophie [7]

Answer:

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Step-by-step explanation:

total weight of five computers

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hope it helps :)

7 0

2 years ago

Use synthetic division to find (5x<br> + 31x + 32) = (x + 5).

LiRa [457]

We move all terms to the left:
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So your answer is 0

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3 years ago

A paraboloid container is being filled with fluid at the rate of 4.5 cubic feet per minute. At what rate is the level of fluid c

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Answer:

2.62 ft./min

Step-by-step explanation:

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3 years ago