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dalvyx [7]
3 years ago
5

Calculate the quotient 9/4 divided by 3/8

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
4 0

Answer:

6

....................................

Jlenok [28]3 years ago
4 0
6 ordhejfhrjdjdjrjdiehe
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Question is in the pictures.
Kipish [7]
<h3>Answer:</h3>

x/tan(x) is an even function

sec(x)/x is an odd function

<h3>Explanation:</h3>

<em>x/tan(x)</em>

For f(x) = x/tan(x), consider f(-x).

... f(-x) = -x/tan(-x)

Now, we know that tan(x) is an odd function, so tan(-x) = -tan(x). Using this, we have ...

... f(-x) = -x/(-tan(x)) = x/tan(x) = f(x)

The relation f(-x) = f(x) is characteristic of an even function, one that is symmetrical about the y-axis.

_____

<em>sec(x)/x</em>

For g(x) = sec(x)/x, consider g(-x).

... g(-x) = sec(-x)/(-x)

Now, we know that sec(x) is an even function, so sec(-x) = sec(x). Using this, we have ...

... g(-x) = sec(x)/(-x) = -sec(x)/x = -g(x)

The relation g(-x) = -g(x) is characeristic of an odd function, one that is symmetrical about the origin.

6 0
3 years ago
Weight of a rock: In a geology course, students are learning to use a balance scale to accurately weigh rocks. One student plans
dusya [7]

Answer:

The first student, with 20 measurements, will have the more precise interval due to the larger sample size.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

M = z\frac{s}{\sqrt{n}}

In which z is related to the confidence level, s to the standard deviation and n to the sample size.

The margin of error is inversely proportional to the square root of the sample size, which means that a larger sample will lead to a lower margin of error, that is, to a more precise interval.

In this question:

One student will use 5 measurements, other 20. The first student, with 20 measurements, will have the more precise interval due to the larger sample size.

5 0
3 years ago
The gcf of 30 and N is 15. What is N?
JulijaS [17]

Answer:

n=45

Step-by-step explanation:

30=1, 2, 3, 5, 6, 10, 15 and 30.

45=1, 3, 5, 9, 15 and 45.

-hope it helps

6 0
2 years ago
Divide.<br><br> 11.02 ÷ 3.8<br><br> Enter your answer, as a decimal, in the box.
AnnyKZ [126]

Answer:

2.9

Step-by-step explanation:

11.02÷3.8= 2.9

4 0
3 years ago
Read 2 more answers
Tamara has a cell phone plan that charges $0.07 per minute plus a monthly fee of $19.00. She budgets $29.50 per month for total
Sergeeva-Olga [200]
The maximum number of minutes she could use her phone is 150
6 0
3 years ago
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