An airplane flies with a constant speed of 560 miles per hour. How far can it travel in 4 hours? Sarah rides her bike with a constant speed of 12 miles per hour. How far can she travel in
3 1/2 hours?

look at explanation

Step-by-step explanation:

If an airplane flies at 560 MPH, then for 4 hours you would want to take 560 x 4. if you do that you will get 2240. So in four hours the plane can travel 2240 miles.

Well for 12 MPH, that’s a full hour but you can easily divide 12 in half to get how long it would take in half an hour. So 12 x 3 is 36 (for the full 3 hours) and then for the 1/2 hour, you would have to do 12 divided by 2 which is 6. so 36 + 6 is 42. so in 3 1/2 hours, Sarah can bike 42 miles.

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.