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topjm [15]
3 years ago
5

The value of x in the question

Mathematics
1 answer:
Gala2k [10]3 years ago
7 0
1. 3x-10=x+70
      +10  -x
   2x=80
    x=40 

2. x+27+2x-39=180
   3x-12=180
       +12 
   3x = 180
   x = 64

3. 2x ÷ 80=5x+44
    - 2x             -44
         36= 3x 
          12=x 
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Please put the explanation!
BaLLatris [955]

Answer:

60

Step-by-step explanation:

In order to get this answer, we must know that a triangle's angles add up to exactly 180. Also, Angles that intersect will have congruent, opposite sides. The last thing is that a line is = 180 degrees. So, the triangle with the 94 and the 142, you can use that. the angle next to the 142 is going to be 180-142 which is 38 and since the other angle is opposite 94, as well. when you add those up u get 132 and 180-132= 48 which is the missing angle for the far right triangle. then, you get the opposite of that angle, put that in the other triangle, do the same with the 72, and add those up to get 120 and since a triagle adds up to 180, 180-120 = 60. So, 60 is your missing angle. Cheers

5 0
3 years ago
#14
Delicious77 [7]

Answer:

The answer is equivalent

5 0
3 years ago
What is the andwer???
djverab [1.8K]

Answer:

3 and 11

Step-by-step explanation:

Given 2 sides with third side x , then

difference of 2 sides < x < sum of 2 sides , that is

7 - 4 < x < 7 + 4

3 < x < 11

Thus the possible values the third side cannot be are 3 and 11

4 0
3 years ago
to visit the of the empire state building, a ticket cost $4.00 in 1999.in 2009 ,the price rose to 20.00. what was the percent ch
Ksju [112]

Answer:

Step-by-step explanation:

i think its 500%

but im not sure

because 20 divided by 4 = 5

and 5.0 = 500%

3 0
3 years ago
Read 2 more answers
Which of the following is the correct expansion of (3x-y)2
GREYUIT [131]
6x-2y (I believe so)
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