Answer:
To be honest I think its C but it may be A
Step-by-step explanation:
The answer is 90 degrees hope this helps
-t(5t - 7) = -5
-1 -1
t(5t - 7) = 5
t(5t) - t(7) = 5
5t² - 7t = 5
5t² - 7t - 5 = 0
t = -(-7) ± √(-7)² - 4(5)(-5)
2(5)
t = 7 ± √49 - 4(-25)
10
t = 7 ± √49 + 100
10
t = 7 ± √149
10
t = 0.7 ± 0.1√149
3z^2+4z+1 use foil to simplify
Answer:
![0.67x-2=0.43](https://tex.z-dn.net/?f=0.67x-2%3D0.43)
Step-by-step explanation:
2/3 = 0.6 repeating
3/7 = 0.42857