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solmaris [256]
3 years ago
15

What do you need to do to add and subtract decimals?

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
6 0

Answer:

Write down the numbers, one under the other, with the decimal points lined up

Put in zeros so the numbers have the same length

Then add using column addition, remembering to put the decimal point in the answer

Step-by-step explanation:

Elza [17]3 years ago
6 0
Line up decimals and add/subtract no different then when you’re adding and subtracting normal numbers
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How to say 133,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000?
scoundrel [369]

one hundred thirty three quindecillion

5 0
3 years ago
What is the mass of 75¢ in nickels?
Dima020 [189]
According to the United States Mint, the mass of 1 nickel is 5.000 g.

\dfrac{\$0.75}{\$0.05} = 15

There are 15 nickles in 75 cents worth of nickels.

15 * 5.000 g = 75.000 g

Answer: 75.000 grams
6 0
3 years ago
2 5/6 divided by 5/12 using kcf
Artyom0805 [142]

Answer:

You keep 2 5/6 and you change the sign to the opposite which is multiplication and then you flip 5/12 to 12/5 and get 6.8

6 0
2 years ago
6x+2=-8+3x+25 whats the answer to x?
Nitella [24]

Answer:

x = 5

Step-by-step explanation:

To find the value of x make sure to get it on one side

First subtract 3x from each side. This makes the equation now

3x + 2 = -8 + 25

Now see what 25 subtract by 8 is (17)

3x + 2 = 17

Next subtract 2 from both sides

3x = 15

Lastly, divide 15 by 3, making x equal 5

x = 5

3 0
3 years ago
Read 2 more answers
Please help with number 7
Romashka-Z-Leto [24]
X * y = 3 1/4
x * y = 13/4

3 5/7 = 26/7

26/7 * y = 13/4
y = (13/4) / (26/7)
y = 13/4 * 7/26
y = 91/104 = 7/8

check..
26/7 * 7/8 = 13/4
26/8 = 13/4
13/4 = 13/4 (correct)

so ur answer is 7/8
8 0
4 years ago
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