Answer:
ok first there is a problem here there are actually 5280 NOT 5380 feet in a mile. Is this a typo or are you to assume a different length of a mile?
I will stick with the real value of 5280...
5280 feet/ mile * 0.62137119 miles/ km = 3280 f/km
3280 f/km / 4000 feet = .82 km
Step-by-step explanation:
Answer:
0.98768834034243
Step-by-step explanation:
Since 81 is smaller than 90, it is located in the first quadrant and in the first quadrant, the values for sin, cos and tan are always positive.
sin(81)= 0.98768834034243
I believe its the 4th option
Im not sure
I hope i helped
Answer:
10 (3 x - 1)
Step-by-step explanation:
