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Whitepunk [10]
2 years ago
15

The table can be used to determine the solution of equations, 2x − 2y = 6 and 4x + 4y = 28.

Mathematics
2 answers:
natta225 [31]2 years ago
7 0

we have

2x-2y=6 ------> equation 1

4x+4y=28 ------> equation 2

Multiply by 2 the equation 1

4x-4y=12 ------> equation 3

Sum equation 2 and equation 3

4x+4y=28\\ 4x-4y=12\\ ------\\ 8x=40\\ x=40/8\\ x=5

Substitute the value of x in the equation 2

4x+4y=28

4*5+4y=28\\ 4y=28-20\\ 4y=8\\ y=8/4\\y=2

therefore

the answer is the option B

(5,2)

tester [92]2 years ago
3 0
B is the correct answer to your question
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There are white, blue, and red boats in a marina. Three-fourths of the boats in the marina are white, 4/7 of the remaining boats
insens350 [35]

Answer:

There are 84 total boats.

Step-by-step explanation:

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Now that we have this, and we know this is 9 boats, we can divide 9 by this fraction and it will give us the total number of boats.

9 ÷ 3/28 = 84

8 0
3 years ago
Work out 1 3/4 x 4 1/6
sattari [20]

Convert mixed number to improper fraction:

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8 0
3 years ago
Please help with math question! This question is stressing me out (View Image)
TEA [102]
To find the volume of this one we need to break it down 
now i see half of a cylinder and rectangle:)
but first lets find the volume of the rectangle...
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lets solve:)
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or we write it like this 
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now time to find the volume of the half cylinder:)
But first lets remember the volume for a cylinder
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So lets find our measurements 
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so lets plug in our values just like our formula said:)
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</span>now since we found an entire cylinder and we only want half of a cylinder lets divide our answer in half
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so we write it like this 235.5units³
But we have to add both of our multiples together so lets do that
Volume of rectangle = <span>480in³
</span>volume of half sphere = 235.5units³
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answer = 715.5units³
I hope this helped and everyone learned something new
anyways don't forget to
MARK ME BRAINLIEST! :D
3 0
3 years ago
PLSS HELPP!!! Thanks!
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6 0
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dlinn [17]

Answer:

B

Step-by-step explanation:

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6 0
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