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3 years ago

HELP PLEASE

Mathematics

1 answer:

melamori03 [73]3 years ago

7 0

Answer:

C, (12, -1)

Step-by-step explanation:

x - 2y = 14

x + 3y =9

Add 2y to both sides

x = 14 +2y

Substitute this into the second equation and solve

14 + 2y + 3y = 9

5y = 9 - 14 = -5

5y = -5

y = - 1

(you don't need to do this step because there is only one equation with y=-1, but just in case...)

Plug y into the first equation:

x - 2(-1) = 14

x - (-2)= x+2

x + 2 =14

x =12

Therefore, the answer is (12, -1)

The answer is C

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natima [27]

Answer:

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3 years ago

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3 years ago

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Mariana [72]

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3 years ago

What is the original price if saidhari and she paid $75 and it was 1/4 off the price

Lelu [443]

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4 years ago

The temperature on the moon can vary from -172 to -126 degrees celsius. Find the difference between the maximum and minimum temp

Finger [1]

Given:

The temperature on the moon can vary from -172 to -126 degrees Celsius.

To find:

The difference between the maximum and minimum temperatures.

Solution:

It is given that the temperature on the moon can vary from -172 to -126 degrees Celsius.

Since $-172$ , therefore the minimum temperature is -172 and the maximum temperature is -126.

The difference between the maximum and minimum temperatures is:

Difference = Maximum temperature - Minimum temperature

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Therefore, the difference between the maximum and minimum temperatures is 46 degrees Celsius.

8 0

4 years ago