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Anna11 [10]
3 years ago
10

Given the system of equations 4x - 5y=-11 and 2x + y = 5, which equation and which variable would you solve for and why?

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
5 0

Answer:

Answer is below

Step-by-step explanation:

I would use 2x + y = 5 to solve for y since there are no numbers attached to y. Then when I solve for y, I would plug that value into the other equation to solve for x.

If this answer is correct, please make me Brainliest!

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-14(3a+6)=12(6-4a)+12 and steps please
Sunny_sXe [5.5K]

Answer:

In the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

Step-by-step explanation:

Given equation is -14(3a+6)=12(6-4a)+12

To simplify the given equation:

-14(3a+6)=12(6-4a)+12

Taking all terms to one side

-14(3a+6)-12(6-4a)-12=0

-[14(3a+6)+12(6-4a)+12]=0

Now dividing by negative sign on the above equation we get

14(3a+6)+12(6-4a)+12=0 (using distributive property)

42a+84+72-48a+12=0 ( adding the like terms )

-6a+168=0

-6a=-168

6a=168

a=\frac{168}{6}

Therefore a=28

Therefore in the given equation -14(3a+6)=12(6-4a)+12 the value of a is 28

8 0
3 years ago
How many men have a waist measurement of more than 85cm
Llana [10]

Answer:

29

Step-by-step explanation:

5 0
3 years ago
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What is the answer to the fraction 6 5/8-4 2/9
choli [55]
Well, first I split it up into two different equations:
6-4=2
5/8-2/9=.4027
Then, added the two: 2.4027
8 0
3 years ago
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Find the coordinate of the midpoint M given the two endpoints
Rasek [7]

The midpoint would be (7, 5)

The midpoint of any two points is simply the average of the x points and the average of the y points. So we'll start by averaging the 2 x points together. To take an average, we add the two numbers together and divide by 2.

X VALUE

4 + 10 = 14

14/2 = 7

Now do the same for y

Y VALUE

22 + -12 = 10

10/2 = 5

Using those answers we can create the ordered pair (7, 5)

8 0
3 years ago
What is the value of 2x3 + 4x2 - 3x2 - 6x when x = 3?
never [62]

Answer:

-10

Step-by-step explanation:

If the equation is 2 x 3+4 x 2-3 x 2- 6(x)=  .  Than the equation would turn into  2 x 3+4 x 2-3 x 2- 6(3) which equals -10.

6 0
3 years ago
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