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expeople1 [14]
3 years ago
12

Which statement about the ordered pair (-6,8) is true?

Mathematics
1 answer:
fgiga [73]3 years ago
7 0

Answer:

a

Step-by-step explanation:

solve for y in one equation

2x + y = -4

y = -4 - 2x

plug y into the other equation

5x + 3y = -6

5x + 3(-4 - 2x) = -6

5x -12 -6x = -6

-x - 12 = -6

-x = 6

x = -6

plug x into the equation to find y

y = -4 - 2x

y = -4 - 2(-6)

y = 8

ordered pair: (-6,8)

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The equation of a line is given by 4x-3y=12.How do you solve for x
maria [59]

Simplifying

4x + -3y = 12

Solving

4x + -3y = 12

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '3y' to each side of the equation.

4x + -3y + 3y = 12 + 3y

Combine like terms: -3y + 3y = 0

4x + 0 = 12 + 3y

4x = 12 + 3y

Divide each side by '4'.

x = 3 + 0.75y

Simplifying

x = 3 + 0.75y

5 0
3 years ago
Michael cleans 90 cars in 5 days. How many cars does Michael clean per day?
Neko [114]

Answer:

18

Step-by-step explanation:

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5 0
1 year ago
Read 2 more answers
Jeffrey is taking a trip to Vine Valley. On Sunday, he was 40 miles from his hometown. He drives 240 miles per day. The total di
serg [7]
Multiply 240 by 5 to get 1200 miles then add the 40 from the first day so it took 5 days
3 0
3 years ago
Help on Number 8? I know Y=5 and the slope is undefined and x=2 but I don’t know what to do now.
Stels [109]

To find the slope, use the equation of a line: y = mx + b

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5 = 2x + b

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We now have 5 = 4 + b.

If 5 is b more than 4, then this means that 4 is b less than 5. Subtract 4 from both sides, and you will have b = 1.

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3 0
3 years ago
A seamstress needs to cut 15-inch pieces of ribbon from a roll of ribbon that is 9 feet length. What is the greatest number of 1
yan [13]
STEP 1:
Divide the length of the ribbon by the size of the pieces.

12 inches= 1 foot

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convert ft to inches
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STEP 2:
multiply the number of pieces that can be cut from one roll by the number of rolls

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Hope this helps! :)
4 0
3 years ago
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