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Ad libitum [116K]
2 years ago
6

A gym has yoga classes. Each class has 13 students. If there are c classes, write an equation to represent the total number of s

tudents s taking yoga.
Mathematics
1 answer:
Finger [1]2 years ago
5 0
If there are 13 students per class and c amount of classes then 13 times c is equal to the total amount of students. We also know s represents the total number of students.

Therefore algebraically speaking we can say:

13c=s
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Please HELP!!!!
Karolina [17]

Answer:


Step-by-step explanation:

Firstly, note that -2i really is just z = 0 + (-2)i, so we see that Re(z) = 0 and Im(z) = -2.

When we're going from Cartesian to polar coordinates, we need to be aware of a few things! With Cartesian coordinates, we are dealing explicitly with x = blah and y = blah. With polar coordinates, we are looking at the same plane but with angle and magnitude in consideration.

Graphing z = -2i on the Argand diagram will look like a segment of the y axis. So we ask ourselves "What angle does this make with the positive x axis? One answer you could ask yourself is -90°! But at the same time, it's 270°! Why do you think this is the case?

What about the magnitude? How far is "-2i" stretched from the typical "i". And the answer is -2! Well... really it gets stretched by a factor of 2 but in the negative direction!

Putting all of this together gives us:

z = |mag|*(cos(angle) + isin(angle))

= 2*cos(270°) + isin(270°)).

To verify, let's consider what cos(270°) and sin(270°) are.

If you graph cos(x) and look at 270°, you get 0.

If you graph sin(x) and look at 270°, you get -1.

So 2*(cos(270°) + isin(270°)) = 2(0 + -1*i) = -2i as expected.

3 0
3 years ago
64 Divied by 3274? sorry erally bad at this
Evgen [1.6K]
64/3274=0.019547954
Hope this helps.
6 0
3 years ago
Write 9 decimals with three decimal places that when rounded to the nearest tenth round to 1.3
zmey [24]
1.291
1.251
1.341
1.331
1.321
1.311
1.281
1.271
1.261
6 0
3 years ago
Read 2 more answers
(1 2/7-3/14)/8/15trying to remember how to do this
SOVA2 [1]

We will write it as a fraction in ordet to solve, that is:

\frac{(1\frac{2}{7}-\frac{3}{14})}{(\frac{8}{15})}

We then operate as follows:

\frac{((\frac{7}{7}+\frac{2}{7})-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{9}{7}-\frac{3}{14})}{(\frac{8}{15})}\Rightarrow\frac{(\frac{15}{14})}{(\frac{8}{15})}\Rightarrow\frac{15\cdot15}{14\cdot8}\Rightarrow\frac{225}{112}

We have this, since 1 integer will be equal as a numerator divided by a denominator with equal values. Examples 1 = 2/2, 1 = 45/45, ...

8 0
1 year ago
Henry made a total of $125.63 last week and worked a total of 18.25 hours. He divides 125.63 by 18.25 and got 6.88384. What does
Iteru [2.4K]
125.63 (dollars) / 18.25 (hrs) = 6.88384 dollars per hr....he just figure out what he made per hr...and when rounded, he made about 6.88 per hr
5 0
3 years ago
Read 2 more answers
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