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Kobotan [32]
3 years ago
8

4. Shelby spent on eighth of the money in her

Mathematics
1 answer:
LuckyWell [14K]3 years ago
4 0

Answer:the answer is 1600

Step-by-step explanation:

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a. Write and simplify the integral that gives the arc length of the following curve on the given integral. b If necessary, use t
WINSTONCH [101]

Answer:

\int\limits^{\pi/2} _0 (1+4cos^{2} (2x)dx

Step-by-step explanation:

Arc length is calculated by dividing the arcs in to small segments ds

By pythagoren theorem

ds^2=dx^2+dy^2

then integrate ds to get arc length.

We are given a function as

y = sin 2x in the interval  [0, pi/2]

To find arc length in the interval

Arc length s =\int\limits^{\pi/2} _0 {1+y'^2} \, dx \\=\int\limits^{\pi/2} _0 (1+4cos^{2} (2x) )dx

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B) \int\limits^{\pi/2} _0 (1+4cos^{2} (2x)dx

6 0
3 years ago
Write an equation for the graph above.
Wittaler [7]

Answer:

y\ =\ 2\sec\left(\frac{\pi}{2}x\right)\ +1

Step-by-step explanation:

i) y\ =\ 2\sec\left(\frac{\pi}{2}x\right)\ +1

6 0
3 years ago
Jenny wants to pour 81.82 grams of salt into a container. So far, she has poured 17.8 grams. How much more salt should Jenny pou
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Answer:

64.02 grams

Step-by-step explanation:

81.82-17.8 = 64.02

4 0
3 years ago
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