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Marat540 [252]
2 years ago
14

Evaluate the given integral by using substitution method:

5sin%28%5Cfrac%7B2%5Cpi%20%7D%7Bx%7D%20%29%7D%7Bx%5E%7B2%7D%20%7D%20%7D%20%5C%2C%20dx" id="TexFormula1" title="\int\limits^a_b {\frac{5sin(\frac{2\pi }{x} )}{x^{2} } } \, dx" alt="\int\limits^a_b {\frac{5sin(\frac{2\pi }{x} )}{x^{2} } } \, dx" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Veronika [31]2 years ago
5 0

Step-by-step explanation:

substitute the angle of sine with a variable and differentiate

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A sector with a central angle measure of 200 degrees has a radius of 9 cm. What is the area of the sector?
Sergio [31]

Answer:

\boxed{Area\ of\ sector = 141.4\ cm^2}

Step-by-step explanation:

Radius = r = 9 cm

Angle = θ = 200° = 3.5 radians

Now,

Area \ of \ sector = \frac{1}{2} r^2 \theta

Area = 1/2 (9)²(3.5)

Area = 1/2 (81)(3.5)

Area = 282.7 / 2

Area of sector = 141.4 cm²

6 0
3 years ago
Read 2 more answers
In November, the rain in a certain valley tends to fall in storms of several days duration. The unconditional probability of rai
Mumz [18]

Answer:

0.0594 = 5.94% probability of rain on November 1 and 2, but not on November 3.​

Step-by-step explanation:

Rain on November 1:

0.9 of 0.6(rain on Oct 31).

0.3 of 0.4(not rain on Oct 31).

Rain on November 2:

Considering rain on November 1, 0.9 probability of rain.

Rain on November 3:

Considering rain on November 2, 0.1 probability of rain.

Find the probability of rain on November 1 and 2, but not on November 3.​

Multiplicating the probabilities:

p = (0.9*0.6+0.3*0.4)*0.9*0.1 = 0.0594

0.0594 = 5.94% probability of rain on November 1 and 2, but not on November 3.​

4 0
3 years ago
Help me please its my last question I need help pleaseee
vredina [299]
I think its 52.3 yards but im not sure
7 0
3 years ago
5x + 19.95 = 35 <br> Solve x
solniwko [45]

Answer:

Answer is x=3+0.05/5

Step-by-step explanation:

5x+19.95=35

We move all terms to the left:

5x+19.95-(35)=0

We add all the numbers together, and all the variables

5x-15.05=0

We move all terms containing x to the left, all other terms to the right

5x=15.05

x=15.05/5

x=3+0.05/5

I hope it's helpful!!

7 0
3 years ago
Read 2 more answers
Loolllllllll i neeeddd helpppp asapppppppp
azamat
The median is 4 and the range is 5 the average should be 4.5

The median is where the middle is so if you count on either side until you get to the middle you have the median. The average is all the numbers added up divided by the number of numbers ( you might want to check me incase I typed it in wrong on my calculator. The range is just the highest- the lowest:)
Hope this helps
6 0
3 years ago
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