Answer:
-1/root2
Step-by-step explanation:
7pi/4 radians is the same as -pi/4 radians
sin(-pi/4) is -sin(pi/4) = -1/root2
There are 4 quarts in a gallon. So 8 gallons is the same as 32 quarts.
If he used all but 1 quart, that means he used 31 quarts.
Answer:
31 quarts
Hoped that helped
Answer is 120
AngNPQ=2*angNRQ=120
First multiply 3 and the 1
Then simplify b^2-4b+3=0
Then divide both numbers by 3 (b-3/3)(b-1/3)=0
If it doesn’t go in even like the second term then bring it before the B
Then equal both terms to 0 and solve