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aniked [119]
3 years ago
8

In a class of 25 students, 15 of them have a cat,

Mathematics
2 answers:
erastova [34]3 years ago
3 0

So 3 have no pets, so 25 - 3 = 22 students have a pet.

There are 15 cats and 16 dogs so 15 + 16 = 31.

And then 31 - 22 = 9. The 9 means that 9 students have both pets.

So the probability is 9/25.

Tatiana [17]3 years ago
3 0

Answer:

number of students who have cat and dog

= y

= 9

P( student chosen has a dog and cat )

= 9/25

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3 years ago
X^2 - 2x = 15 how do I solve this quadratic method?<br>I am stuck on it.... please help<br>​
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Answer:

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Step-by-step explanation:

to solve x² - 2x = 15, we need to get all the terms on one side so we can solve the quadratic equation using factoring. to do this, we subtract 15 from both sides

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FOIL stands for: First, Outside, Inside, and Last terms

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6 0
3 years ago
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