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cricket20 [7]
2 years ago
7

Erin is making a dozen cupcakes and wants to put 3 chocolate kisses on top of each one. How many does she need?

Mathematics
1 answer:
QveST [7]2 years ago
3 0

Answer:

C. 36

Step-by-step explanation:

3x12=36 :]

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Yesterday your bus ride took 10 minutes. TOday it took 13. What is the percent of increase?
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3 percent i think just double check
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2 years ago
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The height of a tank is 3 meter and volume is 12 million centimeters. find the area of the square base of the tank in square met
Alecsey [184]

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75

Step-by-step explanation:

8 0
1 year ago
James is kayaking. He can row 3 mph in still water. If he can travel 6 miles downstream in the same amount of time that he can t
nekit [7.7K]

Answer: the speed of the current is 0.6 mph

Step-by-step explanation:

Let x represent the speed of the current.

James is kayaking. He can row 3 mph in still water. If he can travel 6 miles downstream. Assuming he went with the current, it means that his total speed while travelling downstream is (3 + x)

Time = distance/speed

Time taken to travel downstream is

6/(3 + x)

In the same amount of time, he can travel 4 miles upstream. Assuming he went against the current, it means that his total speed while travelling downstream is (3 - x). Time taken to travel upstream is

4/(3 - x)

Since the time is the same, then

6/(3 + x) = 4/(3 - x)

Cross multiplying, it becomes

6(3 - x) = 4(3 + x)

18 - 6x = 12 + 4x

4x + 6x = 18 - 12

10x = 6

x = 6/10

x = 0.6 mph

4 0
3 years ago
A 20% acid solution is mixed with 20 liters of a 45% acid solution. How much of a 30% acid solution will result?
vaieri [72.5K]

Answer:

50 liters

Step-by-step explanation:

If x is the volume of 20% acid, then:

x (0.20) + 20 (0.45) = (x + 20) (0.30)

0.2x + 9 = 0.3x + 6

3 = 0.1x

x = 30

30 liters of 20% acid are needed, so there will be a total of 50 liters of 30% acid.

6 0
3 years ago
Someone please help me i’m so llst
kicyunya [14]

1+2 that what it is im juts joking idek how to solve that

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