3 years ago

2-^3= -8 -6 -1/6 1/8 2/3

Mathematics

1 answer:

Allisa [31]3 years ago

8 0

Answer:

-8

Step-by-step explanation:

Hope this helps!

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The distance between Car A and car B,When Car A crosses the start line is:
distance =speed car B* time
distance=(15 m/s)(3 s)=45 m

Distance traveled by car A =x, (when the car B is at the same distance from the start line)
time of car A=t

x=10 m/st ⇒ x=10t (1)

Distance traveled by car B=x
time of car B=t-3

x=15(t-3) (2)

With the equations (1) and (2) we make a system of equations:

x=10t
x=15(t-3)

We solve this system of equations:

10t=15(t-3)
10t=15t-45
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t=-45 / -5
t=9

t-3=9-3=6

x=10 t=10 (9)=90

Answer: The time would be 9 seconds for Car A and 6 seconds for car B and the distance would be 90 meters.

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Gabrielle is 10 years younger than Mikhail. The sum of their ages is 66. What is Mikhail's age?

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Answer:

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Step-by-step explanation:

I found that Gabrielle is 28 and Mikhail is 38.

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