I think the first one c and the second one a
Using the trig function Cosign:
cos(41)=x/11
multiply cos(41)x11 to simplify the fraction,
x=8.301805382 units
The first thing you would do is subtract 10 from 70 then multiply that by 4 the answer to the whole q is 240 calories. Good luck!
Answer:
x=3 y=-1
Step-by-step explanation:
3x+2y=7
x-y=4
Answer: 26 Minutes
Step-by-step explanation:
3 mi * 1.609 km/1 mi = 4.82 km
4.82 km/ 18 minutes = 7 km/ x minutes
4.82x=18*7
x=126/4.82
x=26.14 ~ 26 Minutes