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Mkey [24]
3 years ago
8

HELP ME HELP ME AAAAAAAAAAAAAAAAAAA HELP

Mathematics
1 answer:
Flauer [41]3 years ago
3 0
Since they are all paralell
1=4=5=8=9=12
2=3=6=7=11=10
2=129=
since that is a straignth line
2+4=180
4=12
2+12=180
subsitue
129+12=180
subtract 129 from both sdies
12=51

the answer is A 51
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A production process is known to produce a particular item in such a way that 5 percent of these are defective. If two items are
IRINA_888 [86]

Answer:

0.0025 = 0.25% probability that both are defective

Step-by-step explanation:

For each item, there are only two possible outcomes. Either they are defective, or they are not. Items are independent of each other. So 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.

5 percent of these are defective.

This means that p = 0.05

If two items are randomly selected as they come off the production line, what is the probability that both are defective

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}.(0.05)^{2}.(0.95)^{0} = 0.0025

0.0025 = 0.25% probability that both are defective

4 0
2 years ago
Find 5/7 ÷ 3 and how did you find it
Zarrin [17]

Answer:

5/21

Step-by-step explanation:

1. 5/7 divided by 3 is the same as 5/7 divided by 3/1

2. when dividing a fraction, multiply by the reciprocal, so it would be 5/7 times 1/3

3. multiply the numerator and denominators, so 5x1 and 3x7

4. the answer is 5/21

hope this helped!  

6 0
2 years ago
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Answer:

I think it's called a term.

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4 0
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Igoryamba
So, the equation is y=mx + b and you want to solve for b to find the y intercept. 
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8 0
2 years ago
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AURORKA [14]
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6 0
3 years ago
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