17. Its answer C i wil tell you the other one in a sec
Answer:
Step-by-step explanation:
Just plug in 20 for t:
Hi, I'd be glad to help.
1) a = 8
2) d = (-21)
3) n = 42
4) t = (-9)
Answer:
x=3.5
Step-by-step explanation:
We can use proportions to solve this problem. Put the side of one triangle over the same side of the other triangle.
6 4.2
------ = ----------
5 x
Using cross products
6x = 5*4.2
6x =21
Divide by 6
6x/6 = 21/6
x=3.5
Answer:
90
Step-by-step explanation:
