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Kobotan [32]
3 years ago
10

I think this is easer than it looks but i need help

Mathematics
2 answers:
alisha [4.7K]3 years ago
6 0

Answer:

a

Step-by-step explanation:

it is the same angle

Nonamiya [84]3 years ago
4 0
A is the correct answer
Since they’re both alternate interior angles. They will equal the same amount
Meaning when you put the two equations together and solve you get 8
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Write an equation in slope-intercept form for the line containing the giving points (10,2) (2,-2)
zysi [14]

(y - yo) = m.(x - xo)

(-2 - 2) = m.(2 - 10)

-4 = m.(-8)

m = -4/-8

m = 1/2

(y - yo) = 1/2.(x - xo)

(y - 2) = 1/2.(x - 10)

y - 2 = 1/2x - 5

y = 1/2x - 5 + 2

y = 1/2x - 3

7 0
3 years ago
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What is the length (magnitude) of the vector (5,-2)?
kirill [66]
5^2+(-2)^2=29
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A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Use a table to find the prob
kiruha [24]

Answer:

31.77% probability the surgery is successful for exactly five patients.

Step-by-step explanation:

For each patient, there are only two possible outcomes. Either the surgery is successful, or it is not. The probability of the surgery being successful for a patient is independent of other patients. 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.

A surgical technique is performed on seven patients.

This means that n = 7

You are told there is a 70% chance of success.

This means that p = 0.7

Find the probability the surgery is successful for exactly five patients.

This is P(X = 5).

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P(X = 5) = C_{7,5}.(0.7)^{5}.(0.3)^{2} = 0.3177

31.77% probability the surgery is successful for exactly five patients.

5 0
3 years ago
What number is 56% of 48?
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X = 56% * 48

x = 56/100 * 48

x = 28/50 * 48

x = 14/25 * 48

x = 672/25

x = 26.88



<span>56% of 48 is </span>26.88<span>.</span>
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Answer:

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