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3 years ago

Please answer Will give brainliest PLEASE DO NOT EXPLAIN

Mathematics

1 answer:

seraphim [82]3 years ago

3 0

Answer:

a, c, c, d, c, c.

Step-by-step explanation:

I worked out the math

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Simplify the rational expression. state any restrictions on the variable. n^4-11n^2+30/n^4-7n^2+10

Andrej [43]

For this case we have the following expression:
 $\frac{n ^ 4-11n ^ 2 + 30}{ n ^ 4-7n ^ 2 + 10} 

$
 We are going to make the following change of variables:
 $x = n ^ 2
$
Rewriting the expression we have:
 $\frac{(x ^ 2-11x + 30)}{(x ^ 2-7x + 10)} 

$
Factoring the expression we have:
 $\frac{(x-5) (x-6)}{(x-5) (x-6)} 
$
Canceling similar terms we have:
 $\frac{x-6}{x-2} 
$
Returning the change we have:
 $\frac{n ^ 2-6}{n ^ 2-2} 

$
 The resctrictions of the function are those that make the denominator equal to zero.
We have then:
 $n ^ 2-2 = 0

n = +/- \sqrt{2} 
$
 Answer:
The simplified expression is:
 $\frac{n ^ 2-6}{n ^ 2-2}$
The restrictions are:
 $n = \sqrt{2} 
$
$n = - \sqrt{2}$

7 0

3 years ago

What are all the names that apply to √24

Kisachek [45]

Answer: Square Root of 24

6 0

3 years ago

There are 2 questions pls answer fast

Furkat [3]

Answer:

Q1: B. UHWXUQV

Q2: None of these answers equal 12 so I'll just tell you the answers for all of them in case you mistyped.

a. 66

b. 82

c. 120

d. 109

Im assuming you meant 120. If so, your answer is c.

5 0

2 years ago

Zachary bought 8 hot dogs at the fair. He paid a total cost of $12.00 for the food. Find the unit cost of one hot dog.

masya89 [10]

Answer:.66

Step-by-step explanation:

You divide 8 and 12

3 0

3 years ago

Read 2 more answers

A patio has an area of 50. the width is 3/4 of the length. what is the length?

Zielflug [23.3K]

Answer:

37.5

Step-by-step explanation:

12.5x3=37.5

I hope i helped

5 0

3 years ago

Please answer *Will give brainliest* PLEASE DO NOT EXPLAIN

Please answer Will give brainliest PLEASE DO NOT EXPLAIN