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Pepsi [2]
3 years ago
14

A car travels at 20 meters per second.

Mathematics
2 answers:
svetoff [14.1K]3 years ago
4 0

Answer:

72 km/hour

Step-by-step explanation:

20 m/s × (1 km/(1000 m)) × (3600 s/h) = 72 km/h

The rate is 72 kilometers per hour.

HOPE THIS HELPS!! :)))

7nadin3 [17]3 years ago
3 0

Answer:

   72 km/hour

Step-by-step explanation:

20 m/s × (1 km/(1000 m)) × (3600 s/h) = 72 km/h

The rate is 72 kilometers per hour.

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A bowl contains 6 red balls, 4 blue balls, 3 white balls and 1 green ball. You pick two balls without replacement. a) What is th
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Answer:

3.5

Step-by-step explanation:

you want to add all of the balls together and then divide by 4 because that's how many color  balls there are

7 0
3 years ago
A small box of cereal contains 10 cups of cereal. A medium box of the same cereal contains 30% more cereal than the small box. H
mario62 [17]

Answer:

13 cups

Step-by-step explanation:

If the small box has 10 cups, then:

<u> (small) </u>     <u> 10 cups </u>   =  <u> 100% </u>

(medium)    x cups     =   130%

Now, cross multiply:

10 (130) = x (100)

1300 = 100x

x = 13

Another way to solve this is by turning 30% into a decimal:

30/100 = 0.3

10 (0.3) = 3

Now you have 30% of the 10 cups, but you need <u>30% more</u><em> </em>than the small box, so:

10 + 3 = 13 cups

6 0
3 years ago
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Slav-nsk [51]

I don't know exactly i think its either 3 grams or 7 grams or 2 1/2 grams

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3 0
3 years ago
If cos45⁰=0.707 find cos(-45⁰)​
maksim [4K]

Answer:

0.707

Step-by-step explanation:

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cos(-45°) is in the 4th quadrant.

So cos40° must equal cos(-45°) which is 0.707.

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State the domain of the function.
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