Answer:
87
Step-by-step explanation:
Answer:
x = 
Step-by-step explanation:
Start by using P.E.M.D.A.S.
-8 is a 2x is b and -4
is c.
Answer:
a=21.1
Step-by-step explanation:
You can use the given (incorrect) equation and fill in the value of t to find h:
h = 12.5 +9sin(750(3.5)) = 3.68 . . . . feet
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Or, you can use the correct equation, or just your knowledge of revolutions:
h = 12.5 +9sin(750(2π·3.5)) = 12.5 . . . . feet
in 3.5 minutes at 750 revolutions per minute, the propeller makes 2625 full revolutions, so is back where it started — at 12.5 feet above the ground.
100% --- $79.99
1% --- $(79.99÷100) = $0.7999
20% off means 100% - 20% = 80%
80% --- $0.7999×80 = $63.992
Leave it to the nearest cent: $63.99 ---- Answer!
If you need further clarifications, leave a comment down below! I'll try my best to help you. :)
The answer is C you’re welcome.
