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2 years ago

How do i solve this system. x = 2/3 y= x^2+20

Mathematics

1 answer:

pychu [463]2 years ago

4 0

Step-by-step explanation:

hope this will help you......

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Answer: The area of Rhode Island is about 1,212 square miles

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2 years ago

Evaluate [3+(8-2)]x5

photoshop1234 [79]

Answer:

Step-by-step explanation:

Subtract the numbers

(3+(8-2)). x5

[3+6)]. x5

Add the numbers

[3+6]. x5

[9]. x5

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3 years ago

Robert climbed 755 steps in 12 1/2 minutes how many steps did he average per minute

Liula [17]

Basically, you have to do 755/12.5 That will give you your average per minute.

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3 years ago

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An Internet service provider charges $9.95/month for the first 20 hours and $0.50 for each additional hour. Write an expression

inn [45]

I= 9.95 + .5h

20-35=15
I = 9.95+.5(15)
9.95+7.5
I = 17.45

If you used the internet for 35 hours, your bill would be $17.45

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2 years ago

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What is the solution to the system of equations below?

Karolina [17]

Answer:

The solution is the point (18,0)

Step-by-step explanation:

we have

$y=-\frac{1}{3}x+6$ -----> equation A

$y=\frac{1}{3}x-6$ -----> equation B

Solve the system by substitution

substitute equation B in equation A

$\frac{1}{3}x-6=-\frac{1}{3}x+6$

solve for x

Adds (1/3)x both sides

$\frac{1}{3}x-6+\frac{1}{3}x=6$

$\frac{2}{3}x-6=6$

Adds 6 both sides

$\frac{2}{3}x=6+6$

$\frac{2}{3}x=12$

$x=12(3)/2\\x=18$

<em>Find the value of y</em>

substitute the value of x in equation A or equation B

$y=-\frac{1}{3}(18)+6=0$

therefore

The solution is the point (18,0)

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2 years ago

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