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Lisa [10]
3 years ago
12

(y2 + 5y - 14/y2 + 4y - 21)​

Mathematics
2 answers:
ANTONII [103]3 years ago
7 0
The expression simplified would be y^2+9y - 14/y^2 - 21
nika2105 [10]3 years ago
6 0

1       super sorry im to lazy to do the work but its 1

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Select all the correct answers.
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a & c

Step-by-step explanation:

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If you flipped the coin 100 times, how many heads would you expect to get? Explain your answer.
Irina18 [472]

Answer:

You would expect to get 50 heads

Step-by-step explanation:

Each time you flip a coin you will either get heads or tails. This means that you have a 1/2 probability of getting heads. If you use this then you need to multiply 1/2 and 100 to get the expected amount of heads. Multiplying by a half is just dividing by 2. Therefore, the answer is 100/2 = 50. The answer is 50 heads


5 0
3 years ago
Determine if the set of numbers create a Pythagorean triple. 2.1, 7.2, and 7.5
Minchanka [31]

Answer:

Yes, the set of numbers create a Pythagorean triple

Step-by-step explanation:

we know that

If a set of numbers create a Pythagorean triple, then the set of numbers must satisfy the Pythagorean Theorem

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where

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we have

c=7.5\\a=2.1\\b=7.2

substitute

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therefore

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8 0
3 years ago
What are acute triangles​
mr_godi [17]

acute obtuse and right acute is the smallest

Step-by-step explanation:

4 0
2 years ago
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