TSIA2 Math Questions and Correct Answers/ Latest Update / Already Graded

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TSIA2 Math Questions and Correct
Answers/ Latest Update / Already Graded
How to -/+ unlike fractions

Ans: - a find the common denominator and multiply.
1/2(4)+3/8-> 4/8+3/8= 7/8
- b add the numerators and reduce.
- Just divide both n&d by the number


How to find the common denominator

Ans: The common denominator is the lcm of the given
fractions.
- 3/4,1/5
4,8,12,16,20
1,2,3,4,5
3/4(5),1/5(4)
=15/20,4/20
Multiply both fractions by their LCM


The square root of a number is always...

Ans: positive



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Find Dimensions means...

Ans: Find the length and width


Ordered pair

Ans: Any air of numbers for which the order is important. (x,y)


Divisibility Rules

Ans: 2- When the number is even
3- the sum of the digits is divisible by 3
5- limit digit is 0 or 5
9- sum is divisible by 9
10- ends in 0
6- odd numbers and 2


Prime factorization

Ans: The numbers multiplied together to get the original to get
the original number.


Reducing Fractions

Ans: Divide the numerator and denominator by their gcm.


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