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Vikentia [17]
1 year ago
5

If you have the 1st number and HCF of a question and need 2nd number how will you find the 2nd number

Mathematics
1 answer:
Ivahew [28]1 year ago
5 0
First, divide the large number by a small number.
If the remainder is left, then divide the first divisor by remainder.
If the remainder divides the first divisor completely, then it is the HCF or highest common factor of the given two numbers.
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4 - 1/12g - 2 = 3/2g + 1 - 5/6g
astra-53 [7]

Answer:

2-\frac{1}{12g} =\frac{2}{3g} +1

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8 0
2 years ago
21 is what percent of 40?
elena-s [515]

1. We assume, that the number 40 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 40, so we can write it down as 100%=40.

4. We know, that x% equals 21 of the output value, so we can write it down as x%=21.

5. Now we have two simple equations:

1) 100%=40

2) x%=21

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

100%/x%=40/21

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.


7. Solution for 21 is what percent of 40


100%/x%=40/21

(100/x)*x=(40/21)*x       - we multiply both sides of the equation by x

100=1.90476190476*x       - we divide both sides of the equation by (1.90476190476) to get x

100/1.90476190476=x

52.5=x

x=52.5


now we have:

21 is 52.5% of 40

6 0
3 years ago
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