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frutty [35]
3 years ago
13

Please help me find what ? Is

Mathematics
1 answer:
kotegsom [21]3 years ago
4 0

Answer:

My answer is 43 its that rigth

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Superheroes in a nutshell
Leni [432]

Answer:

lol

Step-by-step explanation:

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3 years ago
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I HAVE A QUESTION.. so on 8 and 9, do I keep it addition or do I put it as subtraction? ALSO I NEED HELP ON 13 AND 14
NeX [460]

Step-by-step explanation:

question 8 answer = -4

questions 9 answer = -18

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4 0
3 years ago
I’ll give the crown <br><br> Which triangle’s unknown side length measure 53 units
Dmitrij [34]
The orange (second) one. Using Pythagorean theorem the side is sqrt(100-47) which is sqrt(53)
4 0
3 years ago
g Use the information below for questions 1 through 5. A San Francisco-based tech firm is able to keep 80% of its new employees
meriva

Answer:

0.64 = 64% probability that two randomly sampled new employees will both be able to survive their first year

Step-by-step explanation:

For each employee, there are only two possible outcomes. Either they survive the first year, or they do not. The probability of an employee surviving the first year is independent of other employees. This means that we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

A San Francisco-based tech firm is able to keep 80% of its new employees after one year.

This means that p = 0.8

Q1. What is the chance that two randomly sampled new employees will both be able to survive their first year

This is P(X = 2) when n = 2. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 2) = C_{2,2}.(0.8)^{2}.(0.2)^{0} = 0.64

0.64 = 64% probability that two randomly sampled new employees will both be able to survive their first year

3 0
3 years ago
Latoya created a factor tree and wrote the prime factorization of 90 shown below.
saw5 [17]

Answer: Latoya’s error is B) she should have included an exponent of 2 on the 3.


Step-by-step explanation: since the factors are 2,3,3,5 she could and should have just used 3 with an exponent of 2 to make it shorter


We just did the quiz and it’s right


7 0
3 years ago
Read 2 more answers
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