50 because 80+50+x=180 (inside triangle) x=130 180-130= 50 (angle outside triangle)
The solid that has five faces , four lateral faces, one base, five vertices, and eight edges would be :
Square pyramid
Hope this helps
Answer:
Yes
Step-by-step explanation:
If you add 87.84, 85, and 100 you get 272.84. Once you divide that by 3 you get 90.946, which would be your test average if you score 100 on your next test.
Answer:
13 / -4
Step-by-step explanation:
Answer:
c = -3x² + x + 17
Step-by-step explanation:
c = g - 4f
f = 2x² - 5
g = 5x² + x - 3
c = (5x² + x - 3) - 4(2x² - 5)
c = 5x² + x - 3 - 8x² + 20
c = -3x² + x + 17