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boyakko [2]
3 years ago
7

Factor the expression using the Greatest common factor 27k-6................ And 5x +60y

Mathematics
1 answer:
Alexandra [31]3 years ago
8 0
27k -6 is equal to 3(9k - 2 ) 
and 5x +60 is equal to 5(x + 12) :)))
i hope this is helpful
have a nice day 
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Find the largest number. 16.3, 15.7, 16.9, 15.8
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Answer:

16.9

Step-by-step explanation:

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3 years ago
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An FBI survey shows that about 30% (i.e., 0.3) of all property crimes go solved. Suppose that in New York City 15 such crimes ar
konstantin123 [22]

Complete question :

An FBI survey shows that about 30% (i.e., 0.3) of all property crimes go solved. Suppose that in New York City 15 such crimes are committed and they are each deemed independent of each other.

a. What is the probability that exactly 3 of these 15 crimes will be solved? b. What is the probability that at most 3 of these 15 crimes will be solved? c. What is the probability that more than 11 of these 15 crimes will be solved?

Answer:

0.17

0.29686

0.000092

Step-by-step explanation:

Given that :

Probability of success (p) = 0.3

Number of cases (n) = 15

1 - p = 1 - 0.3 = 0.7

Usung binomial distribution formula :

a. What is the probability that exactly 3 of these 15 crimes will be solved?

P(x = 3)

Recall:

P(x = x) = nCx * p^x * (1 - p)^(n-x)

P(x = 3) = 15C3 * 0.3^3 * 0.7^12

P(x = 3) = 455 *

P(x = 3) = 0.17

B.) What is the probability that at most 3 of these 15 crimes will be solved?

P( X ≤ 3) = P(x = 0) + p(x = 1) + p(x = 2) + p(x = 3)

To save computation time, we can using the binomial probability calculator :

P( X ≤ 3) : 0.00474 + 0.03052 + 0.09156 + 0.17004 = 0.29686

c. What is the probability that more than 11 of these 15 crimes will be solved?

P( X > 11) = P(x = 12) + p(x = 13) + p(x = 14) + p(x = 15)

P( X > 11) = 0.000092

7 0
3 years ago
A new youth sports center is being built in a safe harbor. The perimeter of the rectangular playing field is 510 yards. The leng
podryga [215]

Answer:

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Step-by-step explanation:

Step one:

given data

perimeter= 510 yards

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Step two:

the expression for perimeter is

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divide both sides by 10

x=520/10

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the width is 52 yards

the lenght is  (4x-5)

L=4(52)-5

L=208-5

L=203 yards

4 0
3 years ago
5s + 2z = 1.32 <br> 3s + 1z = 0.75 <br> what would the answer be?
Sphinxa [80]

Answer:                                                                    

Step-by-step explanation:

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How do you solve this?
maks197457 [2]
The answer is  (x-5)(x-4)
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