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kaheart [24]
2 years ago
13

HEELLLLPPPP PLEEEAASSSEEEE

Mathematics
1 answer:
sesenic [268]2 years ago
7 0

Answer:

D

Explanation:

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Please help me !! thank you all
Finger [1]
Ok so basically.... 15^2= 9^2+ x^2

15*15

225= 81+x
-81. -81

144=x^2

12=X

Im pretty sure it’s right!
I used the formula A^2+B^2=C^2
8 0
2 years ago
NEED HELP ASAP AND PLEASE EXPLAIN
UNO [17]
What do you need help with ASAP?
5 0
3 years ago
Please help me TT please
gavmur [86]

Answer:

87888

Step-by-step explanation:

4 0
3 years ago
In a population where 77% of voters prefer Candidate A, an organization conducts a poll of 19 voters. Find the probability that
Rus_ich [418]

Answer:

P(X=14)=(19C14)(0.77)^{14} (1-0.77)^{19-14}=0.1928

Then the probability that 14 of the 19 voters will prefer Candidate A is approximately 0.1928 or 19.28%

Step-by-step explanation:

We can define X the random variable of interest "number of voters that will prefer Candidate A", since we have a sample size given and a probability of success we can use the binomial distribution to model the random variable. And on this case we can assume the following distribution:

X \sim Binom(n=19, p=0.77)

The probability mass function for the Binomial distribution is given by:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

For this problem we want to find this probability:

P(X=14)

And usign the probability mass function defined before we got:

P(X=14)=(19C14)(0.77)^{14} (1-0.77)^{19-14}=0.1928

Then the probability that 14 of the 19 voters will prefer Candidate A is approximately 0.1928 or 19.28%

3 0
2 years ago
Help me with this please?? Find the indicated side length(s) of this triangle in simplified radical form
miss Akunina [59]

Answer:

b = 5√6

c = 10√5

Step-by-step explanation:

This is a 30-60-90 triangle

the hypotenuse is always twice the short leg

c = 2(5√2)

c = 10√5

The long leg is alway √3 times the short leg

b = √3(5√2)

b = 5√6

4 0
3 years ago
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