7^4 the ^ is the exponent symbol if you did not know
7^4=2,401
P=44.6
P=a+b+√a^2+b^2=11+15+√11^2+15^2≈44.6
Answer:
18
Step-by-step explanation:
volume of cone=πr²*h/3
21/3=7, 3.14*7=21.98,1780.38/21.98=81,square root of 81=9,9+9+18
9514 1404 393
Answer:
(c) y=-1/2x+12
Step-by-step explanation:
The units of the problem need to be consistent. Here, it is convenient to use feet. 6 inches is 1/2 foot, so the level will decrease 1/2 ft for each hour. It starts at +12 ft, and goes down from there:
y = -1/2x +12
