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TEA [102]
3 years ago
9

Which of the following is an even function?

Mathematics
2 answers:
UNO [17]3 years ago
5 0
7 is the answer to this because, (7-1)2=(6)2=12
arsen [322]3 years ago
4 0

Answer:

F(X)=7 is the even function

Step-by-step explanation:

f(x)=(x-1)2 is neither odd or even

f(x)=8x is a odd function

f(x)=x2-x is neither odd or even

and f(x)=7 is EVEN

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Solve and show work <br> What is 10% of 40
Daniel [21]
10% of 40 is 4.

1% of 40 = 40/100 = 0.4.

10% of 40 = 10.

Write 10% as a decimal number = 10% = 10/100 = 0.1

Multiply 0.1 by 40 = 0.1 × .40 = 4
8 0
3 years ago
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Does anyone know how to do geometry
olchik [2.2K]
The answer to our question is yes
7 0
3 years ago
The bases of the trapezoid are 6 and 10. The height is 4. Find the area.
ollegr [7]
Answer

b. 32 sq. unit

Step-by-step Explanation

The area of the trapezoid is given by

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A = \frac{1}{2}(10 + 6) \times 4

Simplify

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A = 16 \times 2
Hence the area is

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6 0
3 years ago
The distribution of the average amount of sleep per night gotten by college students is roughly bell-shaped with mean 412 minute
kirza4 [7]

Answer:

P(X

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the scores of a population, and for this case we know the distribution for X is given by:

X \sim N(412,68)  

Where \mu=412 and \sigma=68

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

If we apply this formula to our probability we got this:

P(X

And we can find this probability using the normal standard table or excel and we got:

P(z

4 0
3 years ago
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matrenka [14]

Answer:

5.7082,5.009,5.09,5.7

Step-by-step explanation:

5 0
3 years ago
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