By exterior angle of triangle:
17x+4+8x+1=80
x=3
Divide the miles by the gallons used for each car to find the miles per gallon, then compare them:
Blue car: 18 2/5 miles / 0.8 gallons = 23 miles per gallon.
Red car: 17 2/5 miles / 0.7 gallons = 24.86 miles per gallon.
The red car can travel farther on 1 gallon of gas.
9 < 6- (-3)
This is due to the negatives turning into one positive!
Answer:
2/5
Step-by-step explanation:
2/3 of 3/5 means to multiply the fractions to get 6/15
6/15 can be reduced by dividing by 3 to get 2/5
Cot 8° 13'=cot(8+13/60)
=cot(8+.216......)
=cot8.216......
=cos/sin8.216......
=6.925...........
