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Delicious77 [7]
3 years ago
12

What is the distance from C to C'?

Mathematics
1 answer:
velikii [3]3 years ago
3 0
Don't have the time to answer it myself so i will just give you a site to do it automatically for you(www.mathportal.org/calculators/analytic-geometry/distance-and-midpoint-calculator.php)
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Find dy dx of y equals the secant of the square root of x.
iVinArrow [24]

\bf y=sec(\sqrt{x})\implies y=sec\left( x^{\frac{1}{2}} \right)\implies \cfrac{dy}{dx}=\stackrel{\textit{chain rule}}{sec\left( x^{\frac{1}{2}} \right)tan\left( x^{\frac{1}{2}} \right)\cdot \cfrac{1}{2}x^{-\frac{1}{2}}} \\\\\\ \cfrac{dy}{dx}=sec\left( x^{\frac{1}{2}} \right)tan\left( x^{\frac{1}{2}} \right)\cdot \cfrac{1}{2x^{\frac{1}{2}}}\implies \cfrac{dy}{dx}=\cfrac{sec\left( \sqrt{x} \right)tan\left( \sqrt{x} \right)}{2\sqrt{x}}

5 0
3 years ago
The line graph below shows the number of chocolate bars and ice lollies sold at a small shop over a year
AnnyKZ [126]

Answer:

<em>The sales of ice lollies increased by 76 units between February and August</em>

Step-by-step explanation:

<u>Graph Reading</u>

Line graphs are visual ways of representing two or more data sets and their interrelation.

Graphs are pictures that show how one variable changes in relation to another.

Learning to properly read graphs is a matter of interpreting which pieces of information are useful.

The graph (in the red drawing) shows how sales of ice lollies changed in time. By February, the sales were about 4 units and by August sales were up to 80 units.

This means an increase of 80 - 4 = 76 units.

The sales of ice lollies increased by 76 units between February and August

8 0
3 years ago
4/2/3−1/1/3÷2 four and two thirds - one and one thirds divided by two
zhannawk [14.2K]
2/3 two over three I’m pretty sure I’m good at this stuff hope I helped.
8 0
3 years ago
For the set A= {2, 4, 6}, determine n(A)
Serhud [2]
Plz be more specific thanks
7 0
4 years ago
A 98% confidence interval for the mean of a population is to be constructed and must be accurate to within 0.3 unit. A prelimina
BaLLatris [955]

Answer:

n = (\frac{2.326*1.7}{0.3})^2= 173.73

And the value for n rounded up would be n = 174

Step-by-step explanation:

We have the following info given:

s= 1.7 previous estimation for the deviation

ME=0.03 the margin of error desired

Conf =0.98 represent the confidence

The Margin of error is given by:

ME = z_{\alpha/2} \frac{\sigma}{\sqrt{n}}

If we solve for the value of n we got:

n= (\frac{z*\sigma}{ME})^2

For this problem we know that the confidence is 98% so then the significance level would be \alpha=0.02 and the critical value would be:

z_{\alpha/2}= 2.326

And replacing we got:

n = (\frac{2.326*1.7}{0.3})^2= 173.73

And the value for n rounded up would be n = 174

3 0
3 years ago
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