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IrinaVladis [17]
4 years ago
6

What is the exact sum of 1.23 + 0.71 and can you please explain?

Mathematics
2 answers:
irinina [24]4 years ago
8 0

Answer:

1.94

Step-by-step explanation:

Stack them and add, starting at the right

 1.23

+0.71

---------

      4

 1.23

+0.71

---------

     9 4

 1.23

+0.71

---------

 1.  9 4

Hope this helps! :)

evablogger [386]4 years ago
6 0

Answer: 1.94

Step-by-step explanation: 1.32 plus .71 is 1.94

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Answer:

(h o k) (3) = 3

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Step-by-step explanation:

An inverse function is the opposite of a function. An easy way to find inverse functions is to treat the evaluator like another variable, then solve for the input variable in terms of the evaluator. One property of inverse functions is that when one finds the composition of inverse functions, the result is the input value, no matter the order in which one uses the functions in the combination. This is because all terms in a function and their inverse cancel each other and the result is the input. Thus, when one multiplies two functions that are inverse of each other, no matter the input, the output will always be the input value.

This holds true in this case, it is given that (h) and (k) are inverses. While one is not given the actual function, one knows that the composition of the functions (h) and (k) will result in the input variable. Therefore, even though different numbers are being evaluated in the composition, the output will always be the input.

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3 years ago
What is the exact value of tan (9 pi)/12
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Answer:

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Step-by-step explanation:

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3 years ago
In a certain normal distribution of scores, the mean is 50 and the standard deviation is 6. Find the z-score corresponding to a
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Answer:

z-score = 1.667

Step-by-step explanation:

The provided information are:

Population mean (\mu) = 50

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The formula to calculate the <em>z</em>-score is:

z=\frac{X-\mu}{\sigma}

The z- score can be calculated as:

z=\frac{X-\mu}{\sigma}\\z=\frac{60-50}{6} \\z=  1.667

Hence, the z-score is 1.667.

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Answer:

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Step-by-step explanation:

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subtract 2 from-6: -5y=-4x-8

divide each side by -5 and simplify: -5y=-4x-8 by -5

-5y÷-5 = -4x÷-5 + -8÷-5

now cancel the common factor of -5

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I hope this helped sorry if it wasn't what you were looking for.

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