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Kisachek [45]
2 years ago
9

Find the Square root of √39-2x = 5

Mathematics
1 answer:
4vir4ik [10]2 years ago
5 0
Has to be correct. I did it on paper and checked it. Then I checked it with a calculator

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How to calculate 30% of 1500??
katrin [286]
0.3\cdot1500=450
5 0
3 years ago
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How do you solve this step by step?
nikklg [1K]

Answer:

-2/9

Step-by-step explanation:

first you are going to distrubute 2/5, so 2/5 times x is 2/5x and 2/5 times -2 is -4/5

next you set up the problem with those two answers which gives you:

2/5x - 4/5 = 4x

then multiply both sides of the equation by 5: 2x-4=20x

next move the constant to the right side and chnage the sign: 2x=20x+4

then combine like terms: -18x=4

after that divide both sides of the equation by -18: -2/9

so x= -2/9

7 0
3 years ago
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Use substitution to solve the system<br><br> 2y - 8 = x<br><br> 2x + 3y = -2
devlian [24]

Answer:

x=2y-8

We use the substitution of x in the second equation

2*(2y-8)+3y= -2

4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

    x=4-8

    x=-4

the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

7 0
3 years ago
Create an equation with the indicated number of solutions.
GenaCL600 [577]
An equation that doesn't have a solution would have to end up as something impossible when you solve it all out, like
5=3.

When you simplify your equation out, you get

3x-4=3x+?

Subtract 3x from both sides.

-4=?

From this, you can tell that you need to out something in the ? that will make the equation false, or something that doesn't equal -4.

You could put anything in the ? as long as it is not -4.

Hope this helps!
4 0
3 years ago
Help me pls i will give brainly if ur correct
Marysya12 [62]

Answer:

11

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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