One car traveled 240 miles and drove 20 mph hour faster than a second car drove 160 miles. If the cars were traveling for the sa me time, how fast was the first car driving? a. 90 mph
b. 80 mph
c. 50 mph
d. 60 mph
2 answers:
The answer is D because car 1 drove 20 mph faster than car 2. If car 1 drove at 60 mph for 4 hours it reaches 240 miles. Car 2 at 40 mph would travel 160 in 4 hours.
Answer:
d.
Step-by-step explanation:
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Answer:
D) x=5, x=-5.
Step-by-step explanation:
x^2-25=0
factor
(x+5)(x-5)=0
x+5=0, x-5=0,
x=0-5=-5,
x=0+5=5.
Answer:
theoretical is first then experimental
Step-by-step explanation:
Answer:
the answer is multiple ............
54/4 = 13.5
take the 2 whole numbers below 13.5 and the 2 whole numbers above 13.5
12 + 13 + 14 + 15 = 54
Answer:
V = D/t = 10 / 20 = 0.5 mile per min
V = D/t = 20/30 = (2/3) mile per min
V = D/t = (10+20)/ 50 = (3/5) mile per min