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Bingel [31]
2 years ago
14

Answer asap 50 point's brainlyest.

Mathematics
2 answers:
Anni [7]2 years ago
8 0

Answer:

Option B

The answer is 16

Step-by-step explanation:

<h3><u>Given</u>;</h3>
  • 4(v – 13) = 12
<h3><u>To </u><u>Find</u>;</h3>
  • The value of v

Now,

4(v – 13) = 12

4(v – 13)/4 = 12/4

v – 13 = 3

v – 13 + 13 = 3 + 13

v = 16

Thus, The value of v is 16

<u>-TheUnknownScientist 72</u>

Llana [10]2 years ago
4 0

<u>Solution:</u>

4(v - 13) = 12\\ (4 \times v) + (4 \times -13) = 12\\ 4v - 52 = 12\\ 4v = 12 + 52\\ 4v = 64\\v = \frac{64}{4} = 16

The value of v is 16.

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Which strategie would eliminate a variable in the system of equations? −x+6y=8 7x−y=−2 ​
NeX [460]

Answer:

  substitution (or addition)

Step-by-step explanation:

A simple strategy for this system is to use substitution. The first equation is easily solved for x, so you could substitute that into the second equation:

  x = 6y -8

  7(6y -8) -y = -2 . . . . . x variable eliminated

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The second equation is easily solved for y, so you could substitute that into the first equation.

  y = 7x +2

  -x +6(7x +2) = 8 . . . . . y-variable eliminated

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The "addition" method is always a good way to eliminate a variable.

When the coefficient of a variable in one equation is a divisor of the coefficient of that variable in the other equation, a simple multiplication and addition will do.

To make the coefficient of x in the first equation the opposite of the coefficient of x in the second, multiply the first equation by 7. Adding that result to the second equation will eliminate x:

   7(-x +6y) +(7x -y) = 7(8) +(-2)

  42y -y = 56 -2 . . . . . . x-variable eliminated

Likewise, the second equation can be multiplied by 6 and added to the first to eliminate the y-variable:

  (-x +6y) +6(7x -y) = (8) +6(-2)

  -x +42x = -4 . . . . . . . . y-variable eliminated

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It is often the case that using either substitution or "addition" requires about the same amount of work.

Here, the solutions are (x, y) = (-4/41, 54/41).

3 0
3 years ago
Elimination method <br> 2x-7y=0<br> 4x+9y=0
Molodets [167]

Answer:

The answer to the question

5 0
2 years ago
PLEASE HELP AND IF ITS WORNG I WILL BE UPSET BECAUSE THIS QUESTION IS ABOUT WILL I DIE OR LIVE
IrinaVladis [17]

Answer:

B/2

Step-by-step explanation:

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6 0
3 years ago
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-20 + 11= Please help if you know what the answer is please show work or explane how you got it?
Travka [436]

Step-by-step explanation:

-20+11

negative and positive sign will change in negative so ans will be=-9

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6 0
3 years ago
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Harvard University accepts 6 students for every 100 applicants. How many students will be accepted in 850 applicants apply for a
LenKa [72]

Answer:

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Step-by-step explanation:

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3/50

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48+3=51



5 0
2 years ago
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