3 years ago

Simplify the following expression.

Mathematics

2 answers:

nadezda [96]3 years ago

7 0

It's B the answer because when you look it up it gives u the answer on the answer book

Mkey [24]3 years ago

5 0

If you would like to simplify the following expression (28x - 7y) + (32x + 52y), you can do this using the following steps:

(28x - 7y) + (32x + 52y) = 28x - 7y + 32x + 52y = 28x + 32x - 7y + 52y = 60x + 45y

The correct result would be B. 60x + 45y.

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A hotel claims that 8585% of its customers are very satisfied with its service. complete parts a through d below based on a ran

jek_recluse [69]

We can solve this problem using the binomial distribution. A binomial distribution can be thought of as a success or failure outcome in an experiment or survey that is repeated multiple times.
Probability function of binomial distribution has the following form:
$P= \frac{n!}{k!(n-k)!} p^k(1-p)^{n-k}$
p represents the probability of each choice we want. k is the number of choices we want and n is the total number of choices.
In our case p=0.85, k=5 and n=6.
We can now calculate the answer:
$P= \frac{6!}{5!(6-5)!} 0.85^5(1-0.85)^{6-5}=0.39$
The probability is 39%.
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7 0

3 years ago

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Dima020 [189]

Answer:

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Step-by-step explanation:

8 0

2 years ago

What to do do I subtract the corridnates or add them

trapecia [35]

The easiest way to do it is graph it and count.