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Olin [163]
3 years ago
8

Find the measures of the supplementary angles that satisfy each case.

Mathematics
1 answer:
Mrac [35]3 years ago
8 0

Answer:

112.5 and 67.5

Step-by-step explanation:

x+45+x=180

2x+45=180

2x=135

x=67.5

67.5+45=112.5

112.5+67.5=180

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Help me please! I have no idea what I’m doing! <br><br> Solve : 3p+ 25(8) = -21p -40
tatyana61 [14]

Answer:

3p + 200 = -21p - 40

     -200             -200

3p = -21p - 240

+21p  -21p

24p = -240

p = 10

Hope this helps

6 0
3 years ago
Read 2 more answers
Graph the line that passes through the point (0,-7) and (-3,-9) and determine the equation of the line
Blababa [14]

Answer:

The equation is y=2/3x-7

5 0
3 years ago
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Which is the best first step to write this in standard form?
goldenfox [79]

Answer:

<em>Set the function equal to 0</em>

Step-by-step explanation:

<u>Standard Form of the Quadratic Equation</u>

The form

ax^2+bx+c=0

is called the standard form of a quadratic equation. It can be clearly identified the terms of a second-degree polynomial equated to 0.

The equation is given in the form:

2(x-4)^2-3=8

And we need to operate the expression to make it look like a standard form. The first logical step should be to set the function equal to 0 and then start to operate the resulting expression. It can be done by subtracting 8 on both sides of the equation:

2(x-4)^2-3-8=0

Answer: Set the function equal to 0

4 0
3 years ago
Which expression is equivalent to 13 – (-21)?
Nataliya [291]

Answer:

Step-by-step explanation:

13 + 21 = 34

4 0
3 years ago
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Use the elimination method to solve the system of equations. Choose the correct ordered pair. 
Aleonysh [2.5K]
4x + 7y = 60
-4x + 7y = -4
------------------add
14y = 56
y = 56/14
y = 4

4x + 7y = 60
4x + 7(4) = 60
4x + 28 = 60
4x = 60 - 28
4x = 32
x = 32/4
x = 8

so ur solution is : (8,4)
6 0
4 years ago
Read 2 more answers
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