Mathematics, 18.07.2019 18:00 dndndndnxmnc

The prime factorizations of the denominators of and are given: 10r2 = 2(5)(r)(r) 4r = 2(2)(r) what is the lcd of the expressions? 4r2 10r2 20r2 40r2

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The LCD of two terms is obtained by multiplying the commonly occurring factors and the non-common factors together. An important thing which must be noted is that the common factor is used only once. For example, in case of 10 and 6. Factors of 10 are 2 and 5, Factors of 6 are 2 and 3. 2 is a common factor and occurs in both terms. While finding the LCD of these 2 , 2 will be multiplied just once with the non-common terms. Similar will be the case with given terms.

Common factors of the given terms are 2 and r
Non-common factors of the given terms are 5, r and 2

The LCD of the given two terms will be = 2r *10r = 20r²
20r² is the smallest number which is divisible by both the given terms.

So, option C gives the correct answer.

Answer from: xxaurorabluexx

C: 20r^2

Step-by-step explanation:

edge 2020

also the next question answers on edge are

2 of 8: Option D - 8

3 of 8: Option D - t^2+3t-4/(t+5)(t-1) and 9t+45/(t+5)(t-1)

4 of 8: Option B - 5y

5 of 8: Option D - 5y

6 of 8: Option D - 6z^2+22z-5/6z^2

7 of 8: Option C - 3

8 of 8: Sample Response: The closure property of multiplication for rational expressions states that the product of two rational expressions is a rational expression. Since the variable in a rational expression just represents a number, and the closure property holds true for multiplication of rational numbers, it also holds true for multiplication of rational expressions for values for which the expressions are defined

The closure property of subtraction for rational expressions states that the difference of two rational expressions is a rational expression. The variable in a rational expression represents a number. The closure property holds true for subtraction of rational numbers, so it also holds true for subtraction of rational expressions.

Answer from: Quest

one of each metals

step-by-step explanation:

Answer from: Quest

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .

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The prime factorizations of the denominators of and are given: 10r2 = 2(5)(r)(r) 4r = 2(2)(r) what...

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