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Nostrana [21]
4 years ago
11

What is the value of the equation 3x-4y=65 when y=4

Mathematics
2 answers:
Inga [223]4 years ago
8 0
4x4=16. So think of it like this now..
3x-16=65

Add 16 in each side and you get 3x=81. Divide 3 with 81 and should be 27, or x=27.
Then you check it by putting in the #'s

3(27)-4(4)=65
81-16=65
65=65 ✔️
Serhud [2]4 years ago
4 0

Answer:

i personally think x=27 is the best choice for this one

Step-by-step explanation:

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Write a system of equations with the solution (-3,-8) in standard form.
Katyanochek1 [597]

Answer:

y=2x-2

y=3x+1

Step-by-step explanation:

To solve this I will be using the point slope formula

It is as follows

y-y₁=m(x-x₁)

We can choose any m value so I will be choosing m=2

(x₁,y₁) will be (-3,-8) respectively because all we want is for the line to pass through that point

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y-(-8)=2(x-(-3)

We can simplify this to

y+8=2(x+3)

y+8=2x+6

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We then repeat this process but choose a new m (the m value doesn't really matter as long as it's not 0)

I will choose 3

so we have

y-(-8)=3(x-(-3))

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y+8=3(x+3)

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3 0
3 years ago
Select the correct answer. A company offers its employees free recreational activities and gym memberships. Of the 200 employees
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1/40

Step-by-step explanation:

95 + 80 + 30 = 205
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Took the test and got it right.

Hope this helped!

4 0
3 years ago
Read 2 more answers
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