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lukranit [14]
3 years ago
9

When adding or subtracting decimals, how can you be sure to add or subtract only digits that have the same place

Mathematics
2 answers:
sweet [91]3 years ago
5 0
Significant Figures also known as Significant Digits. Is that what you’re asking?
Igoryamba3 years ago
4 0

Answer: the number that are at the left side of the decimal is the whole numbers and the ones at the right are like the ones less than the whole numbers

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Augustin has 20 different chess boards. If he played 3 games per day, each game played on a different board, how long would it t
Nutka1998 [239]

Answer:

514 days

Step-by-step explanation:

We use the formula (r+n-1)/r(n-1)

There are 1540 combinations. Then, we'll divide them by three because were not just finding the amount of combinations, but the time it'd take to play them all.

We get 513.333(cont.)

thats not really possible, so we're gonna go with 514 instead, rounding up. Normally we'd round down, because the number behind the decimal is below 5, but we really want to make sure we get every combination in there.

Hope this is helpful!

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3 years ago
Please help need answer asp
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A right angle triangle normally relates to Pythagoras Theorem , and this is related to the hypotenuse, the answer maybe the hypotenuse. As the other sides are the opposite and alternative  


8 0
3 years ago
A plumber charges $75 to visit your house plus $50 per hour in labor costs to make any
Illusion [34]

Answer:

75+50h=A

Step-by-step explanation:

75 bucks plus 50 per hour equals the total cost

6 0
3 years ago
a and b have the opposite directions. a has a magnitude of 7 , and b has a magnitude of 6 . What bust be true about a and b?
Hatshy [7]

Answer:

They are opposites and parallel.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
PLEASEEEEE HELLPPPP ME I NEED HELP ASAPPP I CANNOT FAIL THIS!!!!!!!
Elodia [21]

Answer:

1. Both Dan and Tess are correct.

    Tess:

         0.15 * 24.50 = 3.675

         24.5 - 3.675 = 20.825

         0.1 * 20.825 = 2.0825

         20.825 + 2.0825 = 22.9075

    Dan:

         0.85 * 24.50 =  20.825

         20.825 * 1.1 = 22.9075

    Both Dan and Tess used methods that provided the correct answer. Both methods follow the same path, but Dan's method simply took less steps since he used percentages that would take out the correct number, unlike Tess' percentages which would give you the number that you would then need to take out.

2. First, convert Amy's and Mike's numbers to a decimal of the whole so it is easier to compare the numbers.

    13% = 0.13 of the whole

    Dan has 0.14 of the whole

    0.5/6 = 0.083.. of the whole

Dan used the greatest amount of milk, using 0.14 of the 6 gallon container.

3.

    2p + 12 = 58 | Create an equation to show the prices relations

    2p = 46 | Take out the price of the concert ticket to leave us with the passes.

    p = 23 | Divide by 2 to find the cost of each pass.

4.

    x ≤ (18 - 6.5 - 5.75)/1.15

    18 - 6.50 = 11.5 | Take out the price of the notebook from the total.

    11.5 - 5.75 = 5.75 | Take out the amount of money that she wishes to save.

    5.75 / 1.15 = 5 | Divide by the price of each candy to find the max amount that she can buy.

Andrea has enough money to buy up to 5 candy bars.

x ≤ 5

8 0
3 years ago
Read 2 more answers
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