Answer:
180
Step-by-step explanation:
A+B+C=180. sum of interior angles of a triangle
Answer:
it is 4 because if you multiply each x-value by 4, you'll get they y-value underneath it:)
Answer:
Pic 1: 
Pic 2: 
Step-by-step explanation:
<u>Picture 1:</u>
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First, add the 2x and x together for 3x
Then add 3 to both sides of the equation
Finally, divide each side by 3.
<u>Picture 2:</u>
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First, add 7x and x together for 8x
Then, minus 20 from both sides of the equation
Finally, divide each side by 8.
X1 + x2 / 2 , y1 + y2 / 2
8 + x2 /2 = 6
So x is 4
9 + y2 /2 = 6
So y is 3.
Answer is B ( 4, 3)
Please Mark Brainliest if it helped
Step-by-step explanation:
4x² - 12x + 17 = 0
i is an imaginary number and it equals √-1, and you usually put it when the number under the root is negative.
So √-5 = √5i and √-4 = 2i