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Dahasolnce [82]
3 years ago
10

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?

Mathematics
1 answer:
Ugo [173]3 years ago
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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Four baskets contain scented soaps. The baskets contain 9, 9, 11, and 15 soaps. If the soaps are divided evenly among the
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Answer:

11

Step-by-step explanation:

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3 0
3 years ago
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5 watermelons 6 cantaloupes cost $54. 4 watermelons and 8 cantaloupes $56. how much is a cantaloupe
GREYUIT [131]

Answer:

A cantaloupe costs $4

Step-by-step explanation:

Watermelons = W

Cantaloupes = C

Write given statements as equations

5W + 6C = 54

4W + 8C = 56

Simplify the second equation

4W + 8C = 56

Subtract 8C from both sides of the equation

4W = 56 - 8C

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Multiply 5(14 - 2C)

70 - 10C + 6C = 54

Add -10C + 6C

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Add 4C to both sides of the equation

70 = 54 + 4C

Subtract 54 from both sides of the equation

16 = 4C

Divide both sides of the equation by 4

C = 4

A cantaloupe costs $4

5W + 6(4) = 54

Multiply 6(4)

5W + 24 = 54

Subtract 24 from both sides of the equation

5W = 30

Divide both sides of the equation by 5

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A cantaloupe costs $4

A watermelon costs $6

Hope this helps :)

8 0
4 years ago
Please help with number 5 and 6
34kurt
It’s the second one for number #5 . hope this helps
3 0
3 years ago
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By what percent will a fraction decrease if its numerator is increased by 20% and its denominator is increased by 50%?
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-20% or a 20% decrease.
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3 years ago
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