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irga5000 [103]
3 years ago
10

To the nearest square unit, what is the area of the regular heptagon shown below?

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
4 0

Answer:

B. 1783 square units

Step-by-step explanation:

user100 [1]3 years ago
3 0

Answer:

Its b: 1572 square units

Step-by-step explanation:

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4 \times \frac{1}{9}

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what is the equation for the volume of a cylinder? I think is v=pi × r^2 * h just asking for clarification ​
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Step-by-step explanation:

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3 years ago
ASAP in 4 math question!
Zepler [3.9K]

1. - 4 = \frac{x}{9}

=> x = - 36

___________

2. -18 = 6t

=> t = \frac{-18}{6}

=> t = -3

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=> x = - 72 + 18

=> x = - 54

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4. -18 = x - 15

=> x = -18 + 15

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7 0
2 years ago
The one-time fling! Have you ever purchased an article of clothing (dress, sports jacket, etc.), worn the item once to a party,
rjkz [21]

Answer:

a)  0.2725

b)  0.7275

c)  0.8948

Step-by-step explanation:

This is a binomial distribution probability problem. The formula is:

P(x)=\frac{n!}{(n-x)!x!}p^{x}q^{n-x}

Where

n is the number of trials [here we are taking 8 person, so n = 8]

x is what we are looking for [in the problem]

p is the probability of success [ 15%, so p = 0.15

q is the probability of failure [q = 1-p = 0.85]

Now,

a)

We are looking for "no one" did fling, so x = 0

Let's put into formula and find out the probability:

P(x=0)=\frac{8!}{(8-0)!0!}(0.15)^{0}(0.85)^{8}\\P(x=0)=0.2725

So, the probability that no one has done a one-time fling is 0.2725

b)

Atleast 1 person means P(x ≥ 1).

This can be found by:

P(x ≥ 1) = 1 - P(x=0) = 1 - 0.2725 = 0.7275

THus, Probability that at least one person has done a one-time fling is 0.7275

c)

No more than 2 people means P (x≤2).

This is essentially

P ( x ≤ 2 ) = P(x=0) + P(x=1) + P(x=2)

P ( x = 0 ) is found in part (a), which is 0.2725

P (x = 1 ) and P(x=2) can be found using formula:

P(x=1)=\frac{8!}{(8-1)!1!}(0.15)^{1}(0.85)^{7}\\P(x=1)=0.3847

and

P(x=2)=\frac{8!}{(8-2)!2!}(0.15)^{2}(0.85)^{6}\\P(x=2)=0.2376

Thus,

P ( x ≤ 2 ) = P(x=0) + P(x=1) + P(x=2) = 0.2725 + 0.3847 + 0.2376 = 0.8948

8 0
3 years ago
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