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maks197457 [2]
1 year ago
15

Please help me im in a rush

Mathematics
1 answer:
Trava [24]1 year ago
3 0

Answer:

\frac{x}{y}  =  \frac{10}{5}   \\  =  \frac{5}{1}

1. •°• y is 5 times x

\frac{x}{y}  =  \frac{30}{5}  \\  =  \frac{6}{1}

2. •°• y is 6 times x

\frac{x}{y}  =  \frac{56}{8}  \\  =  \frac{7}{1}

3. •°• y is 7 times x

\frac{x}{y}  =  \frac{88}{11}  \\  =  \frac{8}{1}

4. •°• y is 8 times x

2 \times \frac{7}{4}

•°• y is 2 times x

5 \times \frac{7}{4}

•°• y is 5 times x

8 \times \frac{7}{4}

•°• y is 8 times x

11 \times \frac{7}{4}

•°• y is 11 times x

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8 pounds and 4 oz. 58.04 - 8.04=50
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2 years ago
10. A company finds that 45% of first-time visitors to its website do not buy any of its products. If there are 75 first-time vi
vekshin1

Using the binomial distribution, it is found that the probability that exactly 36 of them buy a product is of 0.044.

For each first-time visitor, there are only two possible outcomes, either they buy a product, or they do not. The probability of a first-time visitor buying a product is independent of any other first-time visitor, hence the binomial distribution is used to solve this question.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • 45% of first-time visitors to its website do not buy any of its products, hence 55% buy, that is, p = 0.55.
  • There are 75 first-time visitors on a given day, hence n = 75.

The probability that exactly 36 of them buy a product is P(X = 36), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 36) = C_{75,36}.(0.55)^{36}.(0.45)^{39} = 0.044

More can be learned about the binomial distribution at brainly.com/question/24863377

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2 years ago
Penny has some money. After
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Answer:

$32

Step-by-step explanation:

The money she spent was $5 on the kitten and if you add $5 to the remaining $27 that is $32

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Answer:

Step-by-step explanation:

x= -5 or x=2

that's what i think it is.

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If y = kx, what is the value of k if y = 20 and x = 0.4?<br> A) 5 <br> B) 8 <br> C) 9.6 <br> D) 50
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Answer:

D) 50

20/0.4=50

Step-by-step explanation:


7 0
2 years ago
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