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kow [346]
3 years ago
7

Will make brainliest, please help​

Mathematics
1 answer:
andrew11 [14]3 years ago
8 0
-5x+4y=2
9x-4y=6

eliminate the 4y as a positive 4 + negative 4 =0
this will leave you with
-5x=2
9x=6
add them
4x=8
divide both sides by 4

x=2


to find y, plug in x=2 for any one of the original equations

-5(2)+4y=2
-10+4y=2

add 10 to both sides

4y=12

divide both sides by 4

y=3

the final answer is (2,3)
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I will make brainliest
Semmy [17]

Answer:

81.64

Step-by-step explanation:

formula for volume of a cylinder is pi times radius squared times height

the radius here is 2, and the height is 6.5

plug the numbers into the formula and you get pi(2^2)(6.5), which is 81.64

8 0
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JulijaS [17]

<em>Hello your answer is down below!!</em>

D. Closed circle on 8, shading to the right.

<em>Short Explanation: </em>

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This means that x can be any number larger than 8, with 8 included.

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Veronika [31]

Answer:

D

Step-by-step explanation:

13+15=28

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<h2><u>13:28 D</u></h2>
3 0
3 years ago
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A company manufactures a certain item and sells it online. The company has a business model where the cost C, in dollars, to mak
liberstina [14]

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Answer:

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Step-by-step explanation:

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  21 = 3.5x . . . . . . subtract 2.5x

  6 = x . . . . . . . . . .divide by 3.5

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3 0
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son4ous [18]

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Answer:

  see attached

Step-by-step explanation:

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