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Sergeu [11.5K]
3 years ago
15

I'm so incredibly confused on this. I will give brainliest for the correct answer.

Mathematics
1 answer:
o-na [289]3 years ago
4 0
Hey!!

here is your answer >>>

The interior angle A measures 77°

The exterior angle measures 130°

The sum of angles A and B is 130°

Yes, it's true, this a property of the triangle, the last question is 'true'

Hope my answer helps!
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The measure of angle GHI is 120. Angle GHI is in half with ray HK , if angle GHK is 3x+24 , What is the value of x?
denpristay [2]

Answer:

  x = 12

Step-by-step explanation:

Angle GHK is half of 120, so is 60. Then ...

  3x +24 = 60

  3x = 36 . . . . . subtract 24

  x = 12 . . . . . . . divide by 3

6 0
3 years ago
The following can be decomposed in ????
lys-0071 [83]

Answer:

Triangle & semicircle

Step-by-step explanation:

3 0
3 years ago
In the coordinate plane, line p has a slope of 8 and y-intercept (0,3). What are the slope and y-intercept of line r?
Aleksandr [31]

Answer:

y  = 8x + 3

Step-by-step explanation:

The line we are describing here is line p;

 slope of line p = 8

  y- intercept = (0,3)

y-intercept of a line is the point where it crosses the y-axis. At this point, the x = 0

So;

  Slope of the line = 8

   y-intercept  =  3

Equation of the line;

       y  = mx + c

y and x are the coordinates

m is the slope

c is the y-intercept

      y  = 8x + 3

6 0
3 years ago
Ali is x years old Ali’s aunt is four times as old as Ali will be in 5 years Find the present age of Ali’s aunt
rosijanka [135]

Answer:

Ali= x + 5

Aunt= 4x

6 0
2 years ago
Please answer correctly !!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!
Ugo [173]

Answer:

Step 3  they took the square root incorrectly

Step-by-step explanation:

5 ( x-2)^2 +6 = 86

Subtract 6 from each side

5 ( x-2)^2 +6 -6= 86-6

5 ( x-2)^2  = 80

Divide each side by 5

5 ( x-2)^2  /5 = 80/5

(x-2)^2 = 16

Take the square root of each side

sqrt((x-2)^2)  = ±sqrt(16)

x-2 = ±4

4 0
3 years ago
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