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2 years ago

What is 16/40 (A fraction) In lowest terms? a. 2/5 b. 1/5 c. 1/4 d. 3/8

2 answers:

8 0

In lowest terms, the answer would be a. 2/5 because what you do is divide the numerator and denominator by their greatest common factor. In this case, the greatest common factor of 16 and 40 is 8. Divide 16 and 40 by 8 and you will get the fraction 2/5. And since 2/5 cannot be simplified any longer, this lets you know that 16/40 in lowest terms is 2/5.

topjm [15]2 years ago

6 0

The answer is 2/5

16/40 8/20 4/10 2/5

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lidiya [134]

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1/5.

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2 years ago

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What is the common denominator of (5/x^2-4) - (2/x+2) in the complex fraction (2/x-2) - (3/x^2-4)/(5/x^2-4) - (2/x+2)

PIT_PIT [208]

9514 1404 393

Answer:

common denominator: (x² -4)
simplified complex fraction: (2x +1)/(9 -2x)

Step-by-step explanation:

It is helpful to remember the factoring of the difference of squares:

a² -b² = (a -b)(a +b)

Your denominator of (x² -4) factors as (x -2)(x +2). You will note that one of these factors is the same as the denominator in the other fraction.

It looks like you want to simplify ...

$\dfrac{\left(\dfrac{2}{x-2}-\dfrac{3}{x^2-4}\right)}{\left(\dfrac{5}{x^2-4}-\dfrac{2}{x+2}\right)}=\dfrac{\left(\dfrac{2(x+2)}{(x-2)(x+2)}-\dfrac{3}{(x-2)(x+2)}\right)}{\left(\dfrac{5}{(x-2)(x+2)}-\dfrac{2(x-2)}{(x-2)(x+2)}\right)}\\\\=\dfrac{2(x+2)-3}{5-2(x-2)}=\boxed{\dfrac{2x+1}{9-2x}}$

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2 years ago

Evaluate the following f(-2)+f(-3)=

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It would be =-5f
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2 years ago