Answer:
Step-by-step explanation:
Rule
The sin of any angle = cos(90 - the angle used for the sine)
Sin(64) = cos(90 - 64)
Sin(64) = cos(26)
Check
Sin(64) = 0.8988
Cos(26) = 0.8988
1) 15.5 - 6 = 9.5
therefore, the birds new location is 9.6 feet above the ground.
2)2.25 - 1.50 = 0.75
she owes her grandfather $0.75
3) 4.2 - 1.6= 2.6
Answer:
4 miles per gallon of fuel.
Step-by-step explanation:
The fuel efficiency of a car is given by the ratio of distance traveled by car to the volume of fuel used.
Now, given that Nate's car will go 20 miles on 5 gallons of fuel.
Therefore, the fuel efficiency of Nate's car will be given by the ratio
=
=
= 4 miles per gallon of fuel. (Answer)