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Dmitry_Shevchenko [17]
3 years ago
13

A. 37B. 53C. 127D. 217​

Mathematics
1 answer:
liberstina [14]3 years ago
7 0
X = 127
Trust me, this was the one thing I was good at in school
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Need Help ASAP!!!
Hitman42 [59]

Answer:

The answer to your question is:

x = 1

y = 1

z = 0

Step-by-step explanation:

                                -2x + 2y + 3z = 0             (1)

                                -2x - y + z = -3                  (2)

                                 2x + 3y + 3z = 5              (3)

Solve (1) and (2)  

Multiply 2 by 2

                                 -2x + 2y + 3z = 0

                                 -4x -2y   + 2z = -6

                                -6x          + 5 z = -6        (4)

Solve (2) and (3)

Multiply 2 by 3

                               -6x - 3y + 3z = -9

                                2x + 3y + 3z = 5

                               -4x         + 6z = -4           (5)

Solve (4) and (5)

Multiply (4) by 2 and (5) by -3

                           -12x    + 10 z = -12

                            12x    -  18z   = 12

                                         -6z = 0

                                          z = 0

Then

            -4x + 6(0) = -4

           -4x = -4

            x = -4/-4

            x = 1

Finally

                 -2(1) - y + (0) = -3      

                -2 - y = -3

                 -y = -3 + 2

                 y = 1  

   

4 0
3 years ago
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How do you solve 5x +x
34kurt
If you are just simplifying it it would be 6x because it's 5x plus one more x but if you are trying to find x then I have no idea
4 0
3 years ago
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What is 5(x+10)+x simplified
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5x + 50 +x
= 5x*2( square ) + 50
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3 years ago
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How do you write 14.8 as a mixed fraction<br> Step by step method please?
lisabon 2012 [21]
14.8=14+0.8\\\\0.8=\dfrac{8}{10}=\dfrac{8:2}{10:2}=\dfrac{4}{5}\\\\therefore\\\\14.8=14+\dfrac{4}{5}=\boxed{14\frac{4}{5}}
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Assume that you want to replace your sailboat with a larger one in 3 years. To save for a
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Answer: $11,600

Step-by-step explanation:

$2000 * 10% = $200

y = 200x + $2,000

12 * 4 = 48

48 = x

y = 200(48) + $2,000

y = $9,600 + $2,000

y = $11,600

8 0
3 years ago
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