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EleoNora [17]
3 years ago
5

WILL MARK BRAINLIEST❕❗✅✔ HIGHEST POINT VALUE GIVEN IF ANSWERED CORRECTLY❕❗❕❗❕❗❕

Mathematics
1 answer:
goblinko [34]3 years ago
3 0

Answer:

The same two approaches can be applied to rational expressions. In the following examples, we'll try both techniques:  multiply, then simplify; and simplify, then multiply. An important difference between fractions and rational expressions, though, is that we must identify any values for the variables that would result in division by 0 since this is undefined. These excluded values must be eliminated from the domain, the set of all possible values of the variable.Some rational expressions contain quadratic expressions and other multi-term polynomials. To multiply these rational expressions, factor the polynomials and then look for common factors. Just take it step by step, like in the example below.Rational expressions are multiplied and divided the same way numeric fractions are. To multiply, first find the greatest common factors of the numerator and denominator. Next, regroup the factors to make fractions equivalent to one. Then, multiply any remaining factors. To divide, first rewrite the division as multiplication by the reciprocal of the denominator. The steps are then the same as for multiplication.

When expressing a product or quotient, it is important to state the excluded values. These are all values of a variable that would make a denominator equal zero at any step in the calculations.

Step-by-step explanation:

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Ellen drove 357.9 miles. Her car gets about 21 miles per gallon. Which is the best estimate of how many gallons of gas Ellen use
olga55 [171]
The best thing to do is to divide the amount she has driven (357.9) by the miles (21)
As you're looking for an estimate, you have to round them.
357.9 rounds to 360
21 rounds to 20
Therefore, you've got to divide them
360/20= 18
Therefore, Ellen has driven approximately 18 miles
Hope this helps :)
7 0
3 years ago
Read 2 more answers
Help help this is 10 points
Delicious77 [7]

Answer:

The anwser you are looking for is number 2

Step-by-step explanation:

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A bank account earns interest at a rate of 3.5% per year ( in other words it increases in value by that percent) and starts with
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Annually cumulating interest can be determined by the following formula:

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8 0
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Geraldine is picking a four-digit password by using the digits 0 through 9. She can use each digit only once. How many different
BabaBlast [244]

Answer:

5040 different combinations

Step-by-step explanation:

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5 0
3 years ago
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17-1.2+ show me how you get the answer 15.8
SashulF [63]
First do 17 - 1 to get 16. Then subtract 0.2 from 16.0 to get 15.8.
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