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agasfer [191]
3 years ago
12

For which values of x is the function y = 5 / (x-4)(x+5) not defined? Select all that apply.

Mathematics
1 answer:
rewona [7]3 years ago
5 0
f(x)=\dfrac{5}{(x-4)(x+5)}\\\\(x-4)(x+5)\neq0\iff x-4\neq0\ and\ x+5=0\\\\x\neq4\ and\ x\neq-5\\\\Answer:\boxed{-5\ and\ 4}
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How to solve radical 28 plus radical 64
Finger [1]
The solution to the problem is as follows:

<span>√28 = √(4 * 7) = √4 * √7 = 2√7. 
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<span>√64 = 8
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Therefore, √28 + √64 = <span>2√7. + 8 

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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8 0
2 years ago
6. Jenny needs to build a box that has a square base and a volume of 900 cm°. The height of the box is related to the length of
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Answer:

Step-by-step explanation:

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3 0
3 years ago
a school district collected 14,621 pounds of recyclables during last year. This year was 3,943 more pounds of recyclables than i
Zepler [3.9K]

Answer:

14,621 lbs.

Step-by-step explanation:

It says at the beginning of the question that the school district collected 14,621 lbs. of recycling. The part where it says that the school district collected 3,943 lbs. of recycling more than last year is un-needed information.

8 0
3 years ago
Divide 36 books into two groups so the ratio is 5 to 7. (Use the double number line strategy)
lutik1710 [3]

A ratio of 5:7 means out of 12 books, 5 are in one category and 7 are in another. (The “category” isn’t specified in this problem.)


So here we’re STARTING with 36 books; we want to find a ratio that is equal to 5:7 and adds up to 36. Well 36 = 3(12), and so if we multiply each number in the ratio by 3 as well, we might get what we want. Doing that gives us 15:21, which adds up to 36 and is equal to 5:7. Boom, that’s the answer.


P.S. Here’s a question you can think about: why do ratios stay the same when you multiply each number by the same amount? (For example, why is 3:1 the same as 6:2?)

7 0
2 years ago
0.27=_ hundredths<br><br>please help me​
Alexeev081 [22]

Answer:

27 hundredths

Step-by-step explanation:

.2 is in the tenths place,

.07 is in the hundredth place,

.27 is 27 hundredths

4 0
2 years ago
Read 2 more answers
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