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kkurt [141]
3 years ago
14

Nine more than a number​

Mathematics
1 answer:
snow_tiger [21]3 years ago
3 0

Answer:

n+9

Step-by-step explanation:

More than means add

nine more than a number

Let n equal the number

n+9

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A clock loses 2 minutes every 6 hours. At 3:00 pm, the clock is set to the correct time and allowed to run without interference.
avanturin [10]

Answer:

24 minutes, 2:36 pm

Step-by-step explanation:

As working with hours is difficult because it does not use decimal system, lets work with minutes, not hours.

So, the clock is set to work normal at 3:00 pm and we need to get the minutes lost three days after. We know that, as 1 day has 24 hs, 3 days have 72 hours. Then, as our clock loses 2m after every 6 hs, we need to see how many 6hs are there in 72 hs. We do this bt dividing 72 by 6:

72/6 = 12

So, in 72 hours we will have 12 periods of 6hs. As our clock loses 2m after every 6 hs, in 3 days we will lose 2m 12 times. This is:

12 * 2 = 24

The clock loses 24 minutes.

Now we need to see the time it will read.

If there were no problems, the clock should read 3:00 pm after 3 days (72hs). But, as it lost 24 minutes, it will read 2:36 pm, it is, 24 minutes before 3:00 pm.

3 0
4 years ago
Write a whole number that rounds to 30,000 if we are rounding to the nearest ten thousand.
ahrayia [7]
I think it would be any number closest to 30,000 so maybe 29,900. Hope it's correct.
8 0
3 years ago
If 1/2 gallon of paint covers 1/8 of a wall, then how many quarts of paint are needed for the entire wall?
romanna [79]

Answer:

4 gallons

Step-by-step explanation:

The total required quarts of paint is: 8 x 1/2 = 4

6 0
4 years ago
Read 2 more answers
What are the dimensions of the prism
nexus9112 [7]

Answer:

lenght: 192

Width 128

Height: 64

Step-by-step explanation

if every other thing is times height then height is x so you would do x+2x+3x = 384 and solve from there to get 384/6x= 64

and since width is 2 times that then 64 times 2 is 128 and times 3 is the lenght

8 0
4 years ago
A small plane has 20 rows of seats. Each row has 4 seats.
ch4aika [34]

Answer:

the total number of seats on the plane

Step-by-step explanation:

3 0
3 years ago
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