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2 years ago

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Patrick has seen 4 ACTION movies, 1 ANIMATED movie, 3 COMEDY movies, and 2 DRAMA movies. Determine the ratio of comedies to the

total. Use a multiplicative comparison to explain it's meaning.

1 answer:

GaryK [48]2 years ago

8 0

The answer is 3:10.

You add all the movies together, then place the Comedy number first because they ask you to state comedy TO total

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Answer:

1. 50 degrees.

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Step-by-step explanation:

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2 years ago

Your company is considering submitting a bid on a major project. You determine that the expected completion time is 130 weeks an

Olenka [21]

Answer:

Option C) 146.5

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 130 weeks

Standard Deviation, σ = 10 weeks

We are given that the distribution of completion time is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

P(X<x) = 0.95

We have to find the value of x such that the probability is 0.95

P(X < x)

$P( X < x) = P( z < \displaystyle\frac{x - 130}{10})=0.95$

Calculation the value from standard normal z table, we have,

$P(z$

$\displaystyle\frac{x - 130}{10} = 1.645\\x = 146.45 \approx 146.5$

The project should be completed in 146.5 weeks or less.

Hence, 146.5 weeks should be set the due date such that there is a 95 percent chance that the project will be finished by this time.

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2 years ago

For science class, a student recorded the high and low temperatures, in Fahrenheit, over a ten day period in September. The data

statuscvo [17]

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2 years ago

Which equation shows how to find the

Svet_ta [14]

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8 0

2 years ago

A music company sells CDs for a particular artist. The company has advertising cost of $4,000 and recoding costs of $10,000; The

alukav5142 [94]

Answer:

First, let's write all the costs:

$4,000 in advertising.

$10,000 in the recording.

$5,50 per cd.

Then we have that the cost will be:

C(x) = $4,000 + $10,000 + $5.50*x

where x is the number of CDs distributed.

C(x) = $5.50*x + $14,000.

Now, they win $7.20 per cd, so the tota wins are:

W(x) = $7.20*x

The profit will be the difference between the total win and the cost:

p(x) = $7,20*x - $5.50*x - $14,000 = $1.7*x - $14,000

Now with this function, we can calculate the number of CDs that the company needs to sell in order to break even, that is when the profit is exactly zero.

P(x) = $0 = $1.7*x - $14,000

$1.7*x = $14,000

x = $14,000/$1.7 = 8,235.3 CDs, that we should round up to 8,236.

This means that the company must sell more than 8,236 if they want to have a positive profit.

8 0

3 years ago