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2 years ago

5

Does this graph represent a function? yes or no ?

1 answer:

vredina [299]2 years ago

4 0

No it doesn’t.

it’s not a straight line at all.

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Solve the following system of equations: −2x + y = 1 −4x + y = −1

Katyanochek1 [597]

Answer:

<h2>x = 1, y = 3 → (1, 3)</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}-2x+y=1\\-4x+y=-1&\text{change the signs}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-2x+y=1\\4x-y=1\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad2x=2\qquad\text{divide both sides by 2}\\.\qquad x=1\\\\\text{Put it to the first equation:}\\\\-2(1)+y=1\\-2+y=1\qquad\text{add 2 to both sides}\\y=3$

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3 years ago

What is the volume of this triangular prism?

Vinvika [58]

Answer:

390

Step-by-step explanation:

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4 years ago

Read 2 more answers

Alma ask money to buy a bicycle of $150. his mom give him $40 at the moment and gives kyle $10 each month to pay the total of th

Tanya [424]

Answer: $40+$10x

Step-by-step explanation:

1. We already know he has $40.

2. 10x represent the 10 dollars he is paid per month.

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3 years ago

Help me this is really hard

nirvana33 [79]

1. 2n > 17

n > 7

2. n/5 ≥ 11

n ≥ 55

3. -3y ≤ -18

y ≥ 6

If these are right, please leave a thanks and a rating.

6 0

3 years ago

If the area of a triangle is 124.8 what is the base and height

Elena L [17]

I think it would be 14.2 and 8.8

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3 years ago