Answer:
ABC = 30
Step-by-step explanation:
The two angles are complementary so they add to 90 degrees
2x+14 + x+7 = 90
Combine like terms
3x+21 = 90
Subtract 21 from each side
3x+21-21 = 90-21
3x = 69
Divide by 3
3x/3 = 69/3
x = 23
ABC = x+7 = 23+7 = 30
Answer:
d = - 8
Step-by-step explanation:
3(d-8) - 5 = 9(d+2) + 1
3d-24 - 5 = 9d+18 + 1
3d - 29 = 9d + 19
9d - 3d = -29 - 19
6d = - 48
6d / 6 = -48/6
d = -8
Answer:
The distance is 8 between (7,9) and (-1,9)
Step-by-step explanation:
For:
(X1, Y1) = (7, 9)
(X2, Y2) = (-1, 9)
d=(−1−7)2+(9−9)2√
d=(−8)2+(0)2√
d=64+0√
d=6–√4
d=8