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Vlad1618 [11]
2 years ago
5

Which inequality is equivalent to |x-4|<9

Mathematics
2 answers:
gizmo_the_mogwai [7]2 years ago
5 0

Answer:

 –9 < x – 4 < 9

Step-by-step explanation:

Alex17521 [72]2 years ago
4 0

Answer:

–9 < x – 4 < 9 is the correct answer

Step-by-step explanation:

got it right on edge quiz!!!!!!!!!!!!!!!!!!

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Grandma makes chocolate chip cookies in batch of 100, and you choose one cookie at random. How many chips should she put in the
elena55 [62]

Answer:

391 chips

Step-by-step explanation:

This is a Poisson distribution problem with the formula;

P(X = k) = (e^(-λ) × λ^(k))/k!

Let n be the number of chips she puts in the dough.

Since she makes chocolate chip cookies in batch of 100, then the mean number of chips is n/100.

So, λ = n/100

Now, we want to find how many chips should she put in the dough so that the probability your cookie contains no chip is 0.02.

Thus;

P(X = 0) = (e^(-λ) × λ^(0))/0! = 0.02

This gives;

e^(-λ) = 0.02

Putting λ = n/100, we have;

e^(-n/100) = 0.02

-n/100 = In 0.02

-n/100 = -3.912

n = -100 × -3.912

n ≈ 391 chips

4 0
2 years ago
A store manager is marking down washing machines from $820 to $287. What is the discount percentage?
Elis [28]

Answer:

65%

Step-by-step explanation:

formula is (og(original) price - sell price ÷ og price)*100

820-287=533

533÷820=0.65

0.65x100=65

65%

8 0
2 years ago
How do you convert 19 inches to cm?
tekilochka [14]
You multiply 19 × 2.54 to convert it to cm
3 0
2 years ago
What is the image of the point (-5,-9) after a rotation of 90 degrees counterclockwise about the origin
k0ka [10]

Answer:(9,-5)

Step-by-step explanation: trust me

7 0
2 years ago
Jennifer has 25 books on her bookshelf. She has 10 fiction books, and the rest are non-fiction books. If Jennifer selects a game
saul85 [17]

Answer:

<h2>3/5</h2>

Step-by-step explanation:

If Jennifer has 25 books on her bookshelf and she has 10 fiction books, the number of non-fiction books she has will be 25-10 = 15 non- fiction books.

Probability is the likelihood or chance that an event will occur.

Probability = Expected outcome of event/total outcome.

Since we want the expression that represents the probability that the book she selects will be a non-fiction book, our expected outcome will be 15(the total non fiction she selected)

The total outcome will be the total number of books i.e 25.

Probability that she elects non fiction book = 15/25

= 3/5

3 0
3 years ago
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