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Levart [38]
3 years ago
7

When it comes to finding the common denominator, do I add or subtract it to the denominator ​

Mathematics
2 answers:
MArishka [77]3 years ago
6 0

Answer:

when you find the common denominators you find the LCM.

Step-by-step explanation:

Aloiza [94]3 years ago
5 0

Answer: Subtract

Step-by-step explanation: Make your denominator equal using the concept of LCM, then subtract the numerators accordingly. Rewrite each fraction to its equivilent fraction with a denominator equal to the LCM=30, then you need to subtract the numberators, but make sure to reduce your answer to the lowest possible term. I hope this helps.

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The distance between 5,-8 and 5,7 hurry please
solmaris [256]

Answer:

it should be 15

Step-by-step explanation:

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3 years ago
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Find the largest prime divisor of 76^2 − 1.
saveliy_v [14]

Answer:

11

Step-by-step explanation:

This is a difference of squares and therefore can be written as (76-1)(76+1)=(75)(77).

So lets look at the factors....

75=3(25)=3(5)(5)

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The biggest prime factor is therefore 11.

Identities used:

Difference of squares a^2-b^2=(a-b)(a+b)

3 0
3 years ago
What is the solution to the linear equation 2/3 x - 1/2 = 1/3 + 5/6x
svp [43]

Answer:

Simplify and solve and get x=-5

Step-by-step explanation:

2/3x - 1/2= 1/3 + 5/6x

2/3x - 5/6x= 1/3 + 1/2

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7 0
3 years ago
2) f(x) = x² **<br> g(x)= 3x – 2<br> Find f(g(-4)
Usimov [2.4K]

Answer:

f(g( - 4)) = 196

Step-by-step explanation:

The functions are;

f(x) =  {x}^{2}

and

g(x) = 3x - 2

We want to find

f(g( - 4))

First we find g(-4) to get:

g( - 4) = 3 \times  - 4 - 2

g( - 4) =  - 12- 2

g( - 4) =  - 14

Now

f(g( - 4)) = f( - 14)

This implies that,

f(g( - 4)) = {( - 14)}^{2}

f(g( - 4)) = {( - 14)} \times  - 14

f(g( - 4)) = 196

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3 years ago
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abruzzese [7]

Answer:

0.375

Step-by-step explanation:

4 0
2 years ago
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