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Vitek1552 [10]
4 years ago
8

Using the rule y = 2x + 3, find the value of y when x is 3.

Mathematics
1 answer:
Kryger [21]4 years ago
5 0
Y = 2x + 3
y = 2(3) + 3
y = 6 + 3
y = 9
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jekas [21]

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x + y = 4

Step-by-step explanation:

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4 0
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In order to have 6,000,000 in 40 years with a 5.75% rate. how much should be deposited each month?
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

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PLEASE HELP !! WILL MARK THE BRAINLIEST <br><br> Solve the system y = -x + 7 and y = 0.5(x - 3)2
Leno4ka [110]
Y = -X + 7
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Alright check it out. Substitute the Y in the second equation for the first equation so...

-X + 7 = .5(X-3)2

After this, you have to get rid of the .5 and the 2 which is easy peasy because they just cancel out. If you were to multiply by half and then multiply by 2 then you'd be back to where you started. So...

-X + 7 = X - 3

Move the X to combine them on one side, I moved the -X to the opposite side by adding X to each side so you get...

7 = 2X - 3

You then add 3 to both side so...

10 = 2X

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X = 5

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Y = -5 + 7
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Y = 5-3
Y = 2

(5,2) is your answer
6 0
3 years ago
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