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motikmotik
3 years ago
12

The inverse of x y is: x y x y y x x y y x

Mathematics
1 answer:
serg [7]3 years ago
5 0

Answer:

The inverse of xy is yx.

Step-by-step explanation:

Given:  xy

We need to find the inverse of xy.

To find inverse of an expression, we need to replace the variable x by y and y  by x.

Given xy.

Now replace x by y and y by x, we get

yx

Therefore, the inverse of xy is yx.

Let me show you an example.

y = x - 2

To find the inverse function, replace x by y and y by x, we get

x = y - 2

It is an equation, to write the equation in terms of y, add 2 from both sides, we get

x + 2 = y -2 + 2

x + 2 = y

Therefore, y = x + 2

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2 years ago
a. A 2017 poll found that 56​% of college students were very confident that their major will lead to a good job. If 15 college s
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Answer:

0.01083 or 1.083%

Step-by-step explanation:

This problem can be modeled as a binomial probability model with probability of success p = 0.56.

The probability of x=13 successes (a college student being very confident their major would lead to a good job) in a number of trials of n=15 is:

P(X=x) = \frac{n!}{(n-x)!x!} *p^x*(1-p)^{n-x}\\P(X=13) = \frac{15!}{(15-13)!13!} *0.56^{13}*(1-0.56)^{15-13}\\P(X=13) = 0.01083=1.083\%

The probability is 0.01083 or 1.083%.

8 0
2 years ago
Question 30
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Answer:

a. 26 ft

Step-by-step explanation:

When triangles are similar their sides are proportional

4/8 = h/(44+8)

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6 0
3 years ago
Hey im back with this map i need help
Katena32 [7]

Answer:

m<5= 46 degrees

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Step-by-step explanation:

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7 0
2 years ago
A company made 700000 profit last year. It says this was 12percent more than the year before. What was the profit made the year
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Answer:

784000

Step-by-step explanation:

Given data

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Hence the profit made last years was

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5 0
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