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creativ13 [48]
3 years ago
13

Solve the system of equations algebraically. Show all of your work. y= x^2 + 2x y= 3x +30

Mathematics
1 answer:
QveST [7]3 years ago
4 0

Answer:

See attached below

Step-by-step explanation:

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How do you solve 1/9 y = -2
MatroZZZ [7]

Simplify 1/9 y to y/9

y/9 = -2

then multiply 9 by both sides

y = -2 x 9

then simplify

y = -18

8 0
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.25p + 5 = .50p + 2

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3 years ago
Given y = 2x + 4, what is the new y-intercept if the y-intercept is decreased by 5? A) −1 B) −3 C) −4 D) −5
elena-14-01-66 [18.8K]
The new y-intercept would be A)-1 because of the 4-5 = -1
3 0
2 years ago
Suppose you have 18 more quarters than dimes. You have a total of $8.00. How many of each coin do you have? Use the substitution
kramer

Answer:

18 quarters = $4.50

8.00-4.50=3.50

10 dimes+10 quarters=$3.50

Answer= you have 10 dimes and 28 quarters

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Find a number such that its two-third is equal to 5/4
levacccp [35]

Answer:

x = 15/8.

Step-by-step explanation:

Create an equation, let the number be x:

2/3 * x = 5/4

Now we multiply both sides by 3/2

3/2 * 2/3 x = 5/4 * 3/2

x = 15/8.

7 0
2 years ago
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