Answer:
The perimeter of the rectangle is 60
Answer: x=66
explanation: x+(x-20)+(2x+10)+(x+40)=360
5x+30=360
5x=330
x=66
The answer I believe is D. I believe and the multiplication answer to that is 76 , sorry if I'm wrong
Answer:
210
Step-by-step explanation:
Using compatible numbers, which is the best estimate of (28.5)(7.1)?
Answer:
x=110.6
Step-by-step explanation:
sine = opposite/hypotenuse
sin(19) = 36/x
Since we're trying to find x, you have to isolate it.
x = 36/sin(19)
Plug 36/sin(19) into a calculator and you will get 110.5759255
The question tells you to round to the nearest tenth so the answer is 110.6
