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adell [148]
3 years ago
13

How many 3-digit numbers can be formed from the digits 1 through 4 if each digit is only used once?

Mathematics
1 answer:
galina1969 [7]3 years ago
6 0
123
132
124
142
134
143

So 6*4=24
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Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at a rate of 65
koban [17]

Answer:

time = 1 hour 24 minutes

Step-by-step explanation:

Given that:

Eastbound train travels at a rate of 65 miles per hour

Westbound train travels at a rate of 85 miles per hour

So speed = 65 + 85 = 150 miles per hour

Total distance = 210 miles

We have to find the time

We know that

Distance = time * speed

OR

time = distance / speed

time = 210/150

time = 1.4 hours

Or it can be written as:

time = 1 hour 24 minutes

i hope it will help you!

6 0
3 years ago
Help me if youre my friend
pav-90 [236]
Can't say I'm your friend but anyways the answer is 200
7 0
2 years ago
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Find the volume of the cylinder with a diameter of 12 inches and a height of 10
kati45 [8]

Answer:

360 pi in ^3

Step-by-step explanation:

The volume of a cylinder is given by

V = pi r^2 h

We know the diameter is 12 so the radius is 1/2  the diameter

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V = pi (6)^2 * 10

V = pi (36)*10

V = 360 pi in ^3

We can approximate pi by 3.14

V =1130.4 in ^3

Or we can approximate pi by using the pi button

V =1130.973355  in ^3

6 0
3 years ago
HELLO EVERYONE
ivolga24 [154]

Answer: The volume of this cylinder is 2389.18 cubic cm, and the surface area is 1000.6 square cm.

8 0
2 years ago
Need help on answering 20.
Reptile [31]
N=64.
32+64=100
64/8=8
sqrt (64+225)= sqrt (289) = positive and negative 17
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2 years ago
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