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mylen [45]
3 years ago
13

LIVE TEST NEED HELP Several students made comments about this image C B D Which comment is true? "If I know the measures of A an

d B, I can subtract those measures from 180 to find the measures of the two angles." "If I know the measure of C, I can find the measure of angle A because they are the same." “if I know the measures of angles C and B, I can find the measures of A and D." "If I know the measure of angle A, I can find the measure of angle D by subtracting from 180"​

Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
3 0
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
Hope that helps: )
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3(4-2x)=-2x<br> will make brainiest to the first two people that answer correctly with explanation
ASHA 777 [7]

Answer:

x = 3

Step-by-step explanation:

First, distribute 3 into the parenthesis:

3(4 - 2x) = -2x

12 - 6x = -2x

Next, combine your x variables by adding +6x to both side:

12 - 6x = -2x           (-6x and +6x cancel out)

   +6x    +6x

12 = 4x                     (divide 12 by 4 to get x by itself)

/4     /4

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3 0
3 years ago
Find the area figure below​
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Answer:

Area = 1

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I;ve attached my work below

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5 0
2 years ago
Last month you spent $30.this month you spent 140% of what you spent last month.how much did you spend?
scoray [572]
42 I think. I'm sorry if I'm wrong.. Hope this helped!!
8 0
3 years ago
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~~~ 30 POINTS ~~~
trasher [3.6K]
<span>1)   3x-2=x+10


</span><span>Now, lets solve this step-by-step.
</span><span>
3x - 2 = x + 10
-x             -x
</span><span>
</span><span>3x - x = 2x                                2x - 2 = 10
</span><span>
</span><span>2x - 2 = 10
</span>2x - 2+2 = 10+2          The inverse operation helps isolate the variable. 
<span>
2x = 12

2x/2 = 12/2

x = 12/2
x = 6</span><span>

Answer: x = 6

2) x + 4 = 19 - 2x </span>

We can solve this much faster

x + 4 = 19 - 2x
                  +2x

x+2x = 3x

3x + 4 = 19
      -4     -4

19-4 = 15

3x= 15
3x/3 = 15/3
x= 5

Answer: x = 5

3) 
<span>8x - 20 = x + 15

Much faster now!!

8x - 20 = x + 15
               -x
8x-x = 7x

7x - 20 = 15
      +20   +20
15+20 = 35

7x = 35
7x/7 = 35/7
x = 35/7
x = 5

Answer: x= 5</span>
3 0
3 years ago
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