Answer:
a) 15
Step-by-step explanation:
x+8
substitute x value in
7+8
=15
Answer:
The FitnessGram™ Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly, but gets faster each minute after you hear this signal. Ding A single lap should be completed each time you hear this sound. Ding Remember to run in a straight line, and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark, get ready, ding
Step-by-step explanation:
Answer:
B=-2+5 collecting like terms
B=3 answer
Answer:
1 hour
Step-by-step explanation:
I find these easiest to work by considering the initial difference in distance and the speed at with that gap is closing.
__
The gap is 15 miles, the distance the first ship is from harbor when the second ship starts.
The rate of closure is the difference in the speeds of the two ships:
60 mph -45 mph = 15 mph
Then the closure time is ...
time = distance/speed
time = (15 mi)/(15 mi/h) = 1 h
It will take the second ship 1 hour to catch up to the first ship.
Answer:
Step-by-step explanation:
you ate 3
you paid $9.45 for the 3
to find the cost of the whole pizza you need to know how much each slice costs so
9.45 / 3 = $3.15 a slice
so each slice is $3.15 and there are 8 slices and you need to know how much they cost altogether so
3.15 * 8 = $25.20
