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3 years ago

Number 26 (PlSss Help I really need help on this) I’ll give 15 points!!!!!!

Mathematics

1 answer:

-Dominant- [34]3 years ago

8 0

$\mathcal\pink{The \: answer \: is }$

only one window has height that is a whole number of centimeters

$\mathcal{HOPE \: IT \: HELPS}$

$\huge\pink{mark \: as \: brainliest}$

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Gary took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours. using a double number line

LenaWriter [7]

Answer: 20 lawns

Step-by-step explanation:

35÷7=5

5×4=20

5 0

3 years ago

You build 7 model airplanes during the summer. At the end of the summer, you have 25 model airplanes. How many model airplanes d

zimovet [89]

Answer:

Step-by-step explanation:

You have 25 when you are done, but you made 7, so subtract that from 27.

25-7 equals 18.

6 0

4 years ago

Assume that BK Call Center receives 2 phone calls in one hour on average. If the department works 10 hours a day receiving the c

MrMuchimi

Using the Poisson distribution, the probabilities are given as follows:

A. 0.0888 = 8.88%.

B. 0.1354 = 13.54%.

C. 0.8646 = 86.46%.

<h3>What is the Poisson distribution?</h3>

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by:

$P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}$

The parameters are:

x is the number of successes

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

Item a:

10 hours, 2 calls per hour, hence the mean is given by:

$\mu = 2 \times 10 = 20$ .

The probability is P(X = 20), hence:

$P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}$

$P(X = 20) = \frac{e^{-20}20^{20}}{(20)!} = 0.0888$

Item b:

1 hour, hence the mean is given by:

$\mu = 2$

The probability is P(X = 0), hence:

$P(X = x) = \frac{e^{-\mu}\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-2}2^{0}}{(0)!} = 0.1354$

Item c:

The probability is:

$P(X \geq 1) = 1 - P(X = 0) = 1 - 0.1354 = 0.8646$

More can be learned about the Poisson distribution at brainly.com/question/13971530

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5 0

2 years ago

The compound periods multiplied by the number of years is 4t. The initial number of cars serviced is 920. The growth factor is r

Mrac [35]

The number of compounding per year is $N = 920(1+0.03)^4t$

<h3>How can the number of compounding per year be calculated?</h3>

This can be calculated by making use of the formular; 920(1.03)^4t and use the compound interest equation which is N=P( 1+r/n)^nt

We know that 12% was given as the rate per year, then to get the quarter rate we divide by factor of 4, which is 12/4= 3%

The compounding for t years = n*t = 4t where n=4.

and the Initial number of cars serviced=920

Then we can substitute the values into the above equation, we have Thus $N = 920(1+0.03)^4t$

Learn more about compound interest at:

brainly.com/question/13023589

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CHECK THE COMPLETE QUESTION BELOW:

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. A car repair center services 920 cars in 2012. The number of cars serviced increases quarterly at a rate of 12% per year after 2012. Create an exponential expression to model the number of cars serviced after t years. Then, match each part of the exponential expression to what it represents in the context of the situation. 920(1.03) is the number of cars multiplied by 1.03. The quarterly rate of growth is 0.03 or 3%. The compound periods multiplied by the number of years is 4t. The initial number of cars serviced is 920. The growth factor is represented by 1.03. The growth rate is 1.03. Exponent arrowRight Base arrowRight Coefficient arrowRight Rate arrowRight

7 0

2 years ago

What is an function because I don’t know what is it is so help me

Vera_Pavlovna [14]

is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

6 0

4 years ago