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Contact [7]
3 years ago
10

Solve the system (picture) by substitution

Mathematics
1 answer:
Westkost [7]3 years ago
6 0
Try out all of your options by filling the the x and y values from each option. You can use either of the two equations to solve

1) 2(2)+3(3) does not equal 5
2) 2(3)+3(2) does not equal 5
3) 2(3)+3(-2) does not equal 5
4) 2(-2)+3(3) equals 5
4.5) Double check your answer by doing the same thing for the second equation // 3(-2)+2(3) does equal zero.

D
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Multiply: (4n + 4)(5n - 8)
marissa [1.9K]

Answer:

5n^2 - 3n - 8

Step-by-step explanation:

4n.5n - 4n.8 + 4.5n - 4.8

= 20n^2 - 32n + 20n - 32

= 20n^2 - 12n - 32

= 4 ( 5n^2 - 3n - 8 )

= 5n^2 - 3n - 8 [ answer ]

7 0
2 years ago
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A local pizza shop has a membership program for frequent buyers. The membership costs $25 per month and members get a discounted
AlladinOne [14]

Answer:

Step-by-step explanationcvm

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2 years ago
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Is x=3 a solution for the equation: 3x + 7 = 13<br> Why or why not ?
expeople1 [14]

Answer:

No.

Step-by-step explanation:

There are two different ways to do this - solve for x in the given equation or substitute the value for x and see if you get a true statement.

3x + 7 = 13 subtract 7 from both sides

3x = 6 divide by 3 on both sides

x = 2

3(3) + 7 = 13

9 + 7 = 13

16 ≠ 13

Therefore, x = 3 is not a solution for 3x + 7 = 13.

5 0
2 years ago
If 5.90 × 1.8 = 10.62, what does 106.2 ÷ 59 equal?
alexira [117]

Answer:

1.8

Step-by-step explanation:

- hope this helps!!

8 0
2 years ago
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3. Given Q = (-1,4) and P = (-2,-2), find QP.​
astra-53 [7]

Step-by-step explanation:

QP=P-Q

QP=(-2,-2)-(-1,4)

QP=(-1,-6)

5 0
3 years ago
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