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azamat
4 years ago
13

What are the steps on adding and subtracting integers

Mathematics
1 answer:
Yanka [14]4 years ago
8 0

Step-by-step explanation:

We need to explain the steps of adding and subtracting integers.

Note: Integers are the negative and positive whole numbers.

<em>In order to add or subtract integers, we need to add same sign integers first and then we need to subtract opposite sign integers.</em>

For example, if we are adding/subtracting -23+12-5+11, we would add same signs inegters -23 with -5 and 12 with 11.

On adding -23 and -5 we get -28.

On adding 12 and 11 we get 23.

Now, we need to subtract -28+23 as signs are different.

On subtracting, we get -5.

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Someone do this pls help?
Vlad1618 [11]
It’s easy for the first one you add 10 each time
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3 years ago
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The smallest known bacteria are from the genus Mycoplasma and can measure as small as 300 nanometers in diameter. Given that 1 m
mafiozo [28]
 length of 1 bacteria  =  300 = 3 *10^2 nanometers


=  3 * 10^2  / 1 * 10^9 m

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4 0
3 years ago
Find the amount of the sales tax and the total cost. Cost of Item $200 Tax Rate 8​% How much is the sales​ tax? What is the tota
Mariulka [41]
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tax=cost*r=$200*0.08=$16
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3 0
3 years ago
The sum of two numbers is 30. If three times the smaller number is equal to two times the bigger one, find the numbers. ​
MAVERICK [17]
  • Let the smaller number be x and the bigger number be y.
  • Therefore, 3x = 2y =  > x =  \frac{2y}{3}x + y = 30 \\  =  >  \frac{2y}{3}  + y = 30 \\  =  >  \frac{2y + 3y}{3}  = 30 \\  =  >  \frac{5y}{3}  = 30 \\  =  > y =  \frac{30 \times 3}{5}  \\  =  > y = 18
  • Therefore, the smaller number = 30 - 18 = 12

<u>Answers:</u>

<u>Answers:The smaller number is 12.</u>

<u>Answers:The smaller number is 12.The bigger number is 18.</u>

Hope you could understand.

If you have any query, feel free to ask

4 0
2 years ago
1/2x+1/3y=7 1/5x-2/3=21
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