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Lemur [1.5K]
2 years ago
13

Please help.... fast​

Mathematics
1 answer:
Aneli [31]2 years ago
6 0

Step-by-step explanation:

please mark me as brainlest

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Answer: 4 for the first one and 4.25

Explanation:


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2 years ago
PLEASE PLEASE HELP ME, NO LINKS, I JUST NEED THIS DONE​
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Here is your answer

Step-by-step explanation:

B) 2x + 5 = 7

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3 years ago
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Y = x + 7; x = -5 what is the value of the y for the given value of x
gregori [183]
If x =-5 then you put -5 in place of x.
y=-5+7
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3 years ago
If the measure of DEF is 76, what is the measure of DE? 20pts
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3 years ago
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Solve the system with elimination 4x+3y=1 -3x-6y=3
Nuetrik [128]

Answer:

x = 1, y = -1

Step-by-step explanation:

If we have the two equations:

4x+3y=1 and -3x - 6y = 3, we can look at which variable will be easiest to eliminate.

y looks like it might be easy to get rid of, we just have to multiply 4x+3y=1  by 2 and y is gone (as -6y + 6y = 0).

So let's multiply the equation 4x+3y=1  by 2.

2(4x + 3y = 1)\\8x + 6y = 2

Now we can add these equations

8x + 6y = 2\\-3x-6y=3\\

------------------------

5x = 5

Dividing both sides by 5, we get x = 1.

Now we can substitute x into an equation to find y.

4(1) + 3y = 1\\4 + 3y = 1\\3y = -3\\y = -1

Hope this helped!

5 0
3 years ago
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