3 years ago

An advertisement claims a car can go from zero to 60 in 5 seconds. what is the rate of change of the car's speed?

1 answer:

8 0

Rate of change=(changespeed)/(changetime)=(s1-s2)/(t1-t2)
change is (0-60)/(0-5)=-60/-6=12
answer is 12 units per second

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Please help top and bottom.

Helga [31]

1. Perimeter
22a + 2(6a + 8) -4 = p

[I got 22a from 12a + 10a]

2. If p = 250, what is a?

22a + 2(6a + 8) - 4 = 250
Distributive property
22a + 12a + 16 - 4 = 250
Add like terms
34a + 12 = 250
Subtract 12 by both sides
34a = 238
Divide 34 by both sides
a = 7

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3 years ago

13 + 31 = 24 not 44 how on earth is this possible all help is great. Thanks.

Aneli [31]

It is 44. Can't argue about that

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kvasek [131]

Answer:

Step-by-step explanation:

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