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katrin [286]
3 years ago
5

Solve the given equation. s - 19 = 12

Mathematics
2 answers:
Viktor [21]3 years ago
6 0

Answer:

s=31

Step-by-step explanation:

hi again so what you are gonna do is find out the opposite of subtraction which is addition then you are gonna do the opposite..so add 19 and 12 together then your sum would be 31.....to check your answer you must subtract 31 from 19 and then you get 12....so therefore s=31

hope you are getting a better understanding!

Helen [10]3 years ago
5 0
S = 7 is the answer
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Step-by-step explanation:

Draw lines from one vertex to the other vertices, splitting the polygon into triangles.  If the polygon has n sides, there will be n−2 triangles.  Each triangle's angles add up to 180°.  So the sum of all the interior angles is:

S = (n−2) 180°

8 0
3 years ago
The graphs of two rational functions of f and g are shown. One of them is given by the expression 2-3x/x. Which graph is it? Tha
Nesterboy [21]

Answer:

It's the left graph, y = f(x)

Step-by-step explanation:

If you find the x-intercepts, you'd solve (2-3x)/x = 0. This means you'd really solve 2-3x=0, which gives you x=3/2.

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3 years ago
A company that produces fine crystal knows from experience that 17% of its goblets have cosmetic flaws and must be classified as
Alex73 [517]

Answer:

0.3891 = 38.91% probability that only one is a second

Step-by-step explanation:

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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.

17% of its goblets have cosmetic flaws and must be classified as "seconds."

This means that p = 0.17

Among seven randomly selected goblets, how likely is it that only one is a second

This is P(X = 1) when n = 7. So

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P(X = 1) = C_{7,1}.(0.17)^{1}.(0.83)^{6} = 0.3891

0.3891 = 38.91% probability that only one is a second

7 0
4 years ago
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WINSTONCH [101]

Answer:

\sqrt{13}

Step-by-step explanation:

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Answer:

7.33

Step-by-step explanation:

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