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Jlenok [28]
3 years ago
11

Use the elimination method to solve the system of equations. Choose the

Mathematics
2 answers:
sveticcg [70]3 years ago
6 0

Answer:

C. (2, 1)

Step-by-step explanation:

-3y = x-5

x+ 5y = 7

Subtract x from both sides in the first equation. Write the second equation below it.

-x - 3y = -5

x + 5y = 7

Add the two equations above.

2y = 2

Divide both sides by 2.

y = 1

Substitute y with 1 in the second original equation and solve for x.

x + 5(1) = 7

x + 5 = 7

Subtract 5 from both sides.

x = 2

Answer: C. (2, 1)

Alchen [17]3 years ago
5 0

Answer:

○ C. (2, 1)

Step-by-step explanation:

{-3y = x - 5 [Move <em>-</em><em>x</em><em> </em>to the left of the equivalence symbol]

{x + 5y = 7

{-x - 3y = -5

{x + 5y = 7

____________

2y = 2

__ _

2 2

y = 1 [Plug this back into both equations to get the x-coordinate of 2]; 2 = x

I am joyous to assist you anytime.

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<u>Answer:</u>

2(-5 - 7j) = -10 - 14j

<u>Step-by-step explanation:</u>

Using the distributive property means that we have to multiply both -5 and -7j by 2:

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⇒ 2 × -5  +  2 × -7j

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3 years ago
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Fiesta28 [93]

Are there any options?

5 0
3 years ago
Hello could you help me please?
Ilya [14]

Answer:

C. 6

Step-by-step explanation:

So it says read less thann 25 books --> that means the numbers are 13,14,14,16,19,21,21,22,23, and 24 --> a total of 10 numbers

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