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zavuch27 [327]
3 years ago
9

PLEASE HELP! what's the answer for this?

Mathematics
1 answer:
Verizon [17]3 years ago
7 0
A cube with side length 1 unit is called a unit cube
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Express it in slop-intercept form​
prisoha [69]

Answer:

y = ½x -3

Step-by-step explanation:

_____________________

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3 years ago
On a map, there are 3 inches between two cities. The actual distance between the cities is 18 miles. What was the scale used? Pl
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Answer is 1 in=6 miles, answer A.
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3 years ago
What is the value of x?<br><br> pls help me
pav-90 [236]

Answer:

√306

Step-by-step explanation:

→ Work out the height of the triangle

14 - 5 = 9

→ Use Pythagoras theorem

√15² + 9²

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3 0
3 years ago
Maggie is practicing her penalty kicks for her upcoming soccer game. During the practice, she attempts 10 penalty kicks. If each
arlik [135]

Answer:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)

And we can find the individual probabilities like this:

P(X=8)=(10C8)(0.65)^0 (1-0.65)^{10-8}=0.176  

P(X=9)=(10C9)(0.65)^1 (1-0.65)^{10-9}=0.072  

P(X=10)=(10C10)(0.65)^2 (1-0.65)^{10-10}=0.013  

And adding we got:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)= 0.176+0.072+0.013=0.262

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=10, p=0.65)

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

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!}

Solution to the problem

For this case we want to find this probability:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)

And we can find the individual probabilities like this:

P(X=8)=(10C8)(0.65)^0 (1-0.65)^{10-8}=0.176  

P(X=9)=(10C9)(0.65)^1 (1-0.65)^{10-9}=0.072  

P(X=10)=(10C10)(0.65)^2 (1-0.65)^{10-10}=0.013  

And adding we got:

P(X \geq 8)= P(X=8) +P(X=9) +P(X=10)= 0.176+0.072+0.013=0.262

5 0
3 years ago
in a classroom the number of girls is 3 and 2/3 times the number of boys. there are 16 more girls than boys. find the total numb
nalin [4]
I think it is 19 boys in the classroom
5 0
3 years ago
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