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juin [17]
2 years ago
15

Train A moves every 2 minutes, Train B moves

Mathematics
1 answer:
horrorfan [7]2 years ago
6 0

Answer:

in 84 minutes or 1 hr, 24 min

Step-by-step explanation:

you need to find the least common multiple of 2, 3 and 28 which is 84

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Demarco has 2.25 worth of nickels in his piggy prank. how many total nickels does he have
lidiya [134]

Answer:45 nickels

Step-by-step explanation:

If a nickel is $ 0.05 , than $ 2.25 divided by. $0.05 is 45.

3 0
3 years ago
1. What is the median of the data set?
icang [17]
For number 1, the median is 8
For number 2, the mode is C.100
And for number 3, the mean is D.410
4 0
3 years ago
Read 2 more answers
0.09 is 10 Times as much as
Mumz [18]
0.09/10=0.009
we check it: 0.009*10=0.09, so it's right
8 0
3 years ago
Convert each of the following estimates of useful life to a straight-line depreciation rate, stated as a percentage: (a) 10 year
Rzqust [24]

Answer:

a.10 years 1 / 10 x 100 10% per year

b. 8 years 1 / 8 x 100 12.5% per year

c. 25 years 1 / 25 x 100 4% per year

d. 40 years 1 / 40 x 100 2.5% per year

e. 5 years 1 / 5 x 100 20% per year

f. 4 years         1 / 4 x 100 25% per year

g. 20 years 1 / 20 x 100 5% per year

Step-by-step explanation:

Under straight line method of depreciation, equal amount of the depreciation is reduced throughout the useful life of the asset. Using the following formula:

<u>Straight line depreciation rate = 1 / Useful Life x 100 </u>

So:

a.10 years 1 / 10 x 100 10% per year

b. 8 years 1 / 8 x 100 12.5% per year

c. 25 years 1 / 25 x 100 4% per year

d. 40 years 1 / 40 x 100 2.5% per year

e. 5 years 1 / 5 x 100 20% per year

f. 4 years         1 / 4 x 100 25% per year

g. 20 years 1 / 20 x 100 5% per year

7 0
4 years ago
On a workday the average decibel level of a busy street is 69 db, with 139 cars passing a given point every minute. if the numbe
Vlad1618 [11]
Decibel is directly proportional to number of cars passing the point. That is,

69 db ----- 139 cars
x   db ----- 17 cars

x = number of cars passing the point per minute on a weekend.

Then,
x= (69*17)/139 = 8.43 db ≈ 8 db
8 0
3 years ago
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