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Vaselesa [24]
3 years ago
13

-3x-3y=3 y=-5x-17 Substitution Plz help if you can I would appreciate it

Mathematics
1 answer:
arsen [322]3 years ago
3 0
First substitute the second equation into the first one: 
-3x - 3(-5x - 17) = 3 
Next distribute the parenthesis: 
-3x + 15x + 51 = 3 
Then combine like terms: 
12x + 51 = 3 
Now subtract 51 from each side: 
12x = 48 
Lastly to get x, divide each side by 12: 
x = 4 
Now put this into the second equation: 
y = -5(4) - 17 
Multiply: 
y = -20 - 17 
And subtract: 
y = -37 
The solution is (4,-37). Hope this helps!
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4 years ago
I’ll give brainleyyyyyyy
Ira Lisetskai [31]

Answer:

0, -2, 2, -1

Step-by-step explanation:

You are trying to make it so that the one of the (  )= 0.

An example is (x+15) or (2x+3)

the first l one would be x= -15 since -15+15 would equal 0.

The second one is -3/2 since it would be -3+3 which would equal 0.

also since the equation starts with x( or -x it doesn't really matter) one of the zeros would also be 0.

Hope this helps!

7 0
3 years ago
Write the circumference of a circle with a diameter of 49 inches in terms of pi
AleksAgata [21]

Answer:

153.94

Step-by-step explanation:

c=2r*r

The radius is half of the diameter.

To find the radius you will divide 49 inches by 2.

You should get a total of 24.5

Now that you have your radius you are going to use the circumference formula to solve.

C= 2r*r

C=2(24.5)*(24.5)

type that into the calculator (without the parenthesis) and boom your done!

You answer should be 153.938

then you round to get a total of 153.94

I hope i was able to help!

5 0
3 years ago
Read 2 more answers
Solve for inequality: 9x + 11 > 4x - (17 - 9x)
Soloha48 [4]
9x + 11 \ \textgreater \  4x - (17 - 9x) \\
9x + 11 \ \textgreater \  4x - 17+9x\\
4x\ \textless \ 28\\
x\ \textless \ 7
6 0
3 years ago
Identify the corresponding word problem given the equation: x + 12.50 = 55.75 A) For mowing the neighbor's yard, Jessy was paid
sergejj [24]
The answer is A.  because for you to find the answer you have to subtract so it would be 55.75-12.5=43.25
6 0
3 years ago
Read 2 more answers
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