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4 years ago

Right answers only will give brainliest!!!

Mathematics

2 answers:

vladimir2022 [97]4 years ago

4 0

Answer:

10.7 cm^2

Step-by-step explanation:

First find the area of the base

A = 1/2 *2*1.7

A =1.7

Then find the area of one of the sides

A = 1/2 (2*3)

A = 3

There are 3 sides and they are identical

Multiply one of the sides by 3

3*3=9

Add the sides and the base together

9+1.7

10.7 cm^2

Gelneren [198K]4 years ago

3 0

Answer:

10.7 cm squared 2. I had this question and got it right Yay! have a great day.

Step-by-step explanation:

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Increasing at a constant rate,a company's profits y have gone form $535 milion in 1985 to $570 million in 1990. Find the expecte

omeli [17]

Answer:

total profit=$607.278

Step-by-step explanation:

company's profit in 1985= $535 million

company's profit in 1990=$570 million

growth rate = $\frac{570-535}{535}\times 100$

= $\frac{35}{535} \times 100$

= 6.54 %

profit in year 1995 will be = $\frac{6.54}{100}\times 570 =\ \$37.278$

hence total profit= $570+$37.278

= $607.278

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3 years ago

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Damm [24]

Answer:

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Step-by-step explanation:

fliped over y axis (changed x to -x) and moved up 3 (changed +1 to +4)

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3 years ago

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Digiron [165]

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David Barnes and his fiancée Valerie Shah are visiting Hawaii. At the Hawaiian Cultural Center in Honolulu, they are told that

balandron [24]

Using the hypergeometric distribution, it is found that there is a 0.0065 = 0.65% probability that both David and Valerie get picked for the Tahitian dance lesson.

The people are chosen without replacement from the sample, hence the <em>hypergeometric distribution </em>is used to solve this question.

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

The formula is:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}$

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

The parameters are:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

In this problem:

There is a total of 18 people, hence $N = 18$ .

2 people will be chosen, hence $n = 2$ .

David and Valerie corresponds to 2 people, hence $k = 2$ .

The probability that both get picked is P(X = 2), hence:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}$

$P(X = 2) = h(2,18,2,2) = \frac{C_{2,2}C_{16,0}}{C_{18,2}} = 0.0065$

0.0065 = 0.65% probability that both David and Valerie get picked for the Tahitian dance lesson.

You can learn more about the hypergeometric distribution at brainly.com/question/25783392

7 0

3 years ago