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Flura [38]
3 years ago
13

Which ordered pair is the solution to the system of equations?

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

You can use Gaussian Elimination.

Double both sides of the first equation and add the second equation.

6x + 4y = 8

5x - 4y = 3

---------------

11x      = 11

x = 1

5 - 4y = 3

-4y = -2

y = 1/2

Step-by-step explanation:

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Luis said that when his dog was born, she had a mass of 370 grams and that when fully grown, his dog had a mass of 37 kilograms.
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Mr. Smith is adding food coloring to water to create his own paint colors. He has 5 1/3 cups of water. to create a color, he nee
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Employees of a landscaping company built a retaining wall. They used brick to make the top 2/3 of the wall. The wall is 8and 1/2
IgorC [24]

Answer:

Height of the brick portion of the wall is 5.61 feet.

Step-by-step explanation:

Employees of the landscaping company used brick to build the top 2/3 of the wall. The total dimensions of the wall are 8 and 1/2 * 2 and 3/4 feet. So the height of the wall = 8 and 1/2 feet or in other words 8.75 feet.

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Non brick portion of the wall is 8.5 - 5.61 = 2.89

4 0
3 years ago
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Which accurately describes a circle with a radius 12 centimeters and center Q?
JulijaS [17]

Answer:

the answer is d!

Step-by-step explanation:

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5 0
3 years ago
Show how to solve the problem 378 x 6 using place value with regrouping. Explain how you knew when to regroup.
KIM [24]

<u>Answer</u>

2,268


<u>Explanation</u>

<u> </u>

<u>By grouping 378 ca</u>n be written as,

378 = 300 + 70 + 8

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             = (6×300) + (6×70) + (6×8)

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              = 2,268

8 0
3 years ago
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