9514 1404 393
Answer:
A ≈ 65.4°
Step-by-step explanation:
The mnemonic SOH CAH TOA is intended to remind you of the trig relations associated with pairs of sides. For angle A, given sides b and c are the adjacent side and the hypotenuse, respectively. The appropriate relation is ...
Cos = Adjacent/Hypotenuse
cos(A) = b/c
A = arccos(b/c) = arccos(2.5/6)
A ≈ 65.4°
Answer:
B. 0.694
Step-by-step explanation:
Probability is the ratio of the number of possible outcome to the number of total outcome.
Given that the pain reliever is advertised as being 97% effective, for it to be effective in 12 independent trials
= (97%) ^ 12
= 0.693842361
The is approximately 0.694 to 3 decimal places
Answer:
He's correct.
Step-by-step explanation:
As long as there is no change in sign of the variables.
Answer:
Step-by-step explanation:
reference angle=(14 π)/11-π=(14-11)π/11=3π/11
Answer:
Simplified: -21-98t
Factored: -7(14t+3)
Step-by-step explanation:
The given expresion is:
14-28t-5(7+10t)
We expand the parenthesis to get:
![14 - 28t -35 - 70t](https://tex.z-dn.net/?f=14%20-%2028t%20-35%20-%2070t)
We group like terms to get:
![14 -35 - 28t- 70t](https://tex.z-dn.net/?f=14%20-35%20%20-%2028t-%2070t)
We combine similar terms to get:
![- 21- 98t](https://tex.z-dn.net/?f=%20-%2021-%2098t)
We now factor to obtain:
![- 21- 98t = - 7(14t + 3)](https://tex.z-dn.net/?f=%20-%2021-%2098t%20%3D%20%20-%207%2814t%20%2B%203%29)