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Shalnov [3]
3 years ago
5

Someone please help me

Mathematics
1 answer:
lutik1710 [3]3 years ago
3 0

Answer:

18

Step-by-step explanation:

I did that in my head could be wrong

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DanielleElmas [232]

Answer:

−234.96

Step-by-step explanation:

Hope its the right answer that you're looking for :)

3 0
2 years ago
(FASTEST AND BEST ANSWER GETS BRAINLIEST)1
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Step-by-step explanation:

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6 0
2 years ago
Multiply each equation by a constant that would help to eliminate the y terms.
Zinaida [17]

Answer:

Therefore the required resulting equation is

6x-15y=-63\\-15x+15y=90

6 x minus 15 y = negative 63.

Negative 15 x + 15 y = 90

Step-by-step explanation:

Given:

2x-5y=-21         ......................Equation ( 1 )

3x-3y=-18         ......................Equation ( 2 )

To Find:

Expression after multiplying to eliminate y term,

Solution:

So to eliminate 'y' term we need to multiply equation 1 by a constant 3 and equation 2 by a constant -5,  such that equations  becomes

3(2x-5y)=3\times -21\\\\6x-15y=-63 .....( 1 )

-5(3x-3y)=-5\times -18\\\\-15x+15y=90  .....( 2 )

so now by adding new equation one and two we can eliminate y term that means -15y and +15y will get cancel,

Therefore the required resulting equation is

6x-15y=-63\\-15x+15y=90

6 x minus 15 y = negative 63.

Negative 15 x + 15 y = 90

3 0
2 years ago
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27x 5 + 9x 4 - 18x 3) 9x 2
notka56 [123]
In guessing it's 2,106.......
4 0
3 years ago
8 is 75% of what number
lisov135 [29]

Answer:

10.6

Step-by-step explanation:

8 0
3 years ago
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