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vodomira [7]
2 years ago
6

Find the average value fave of the function f on the given interval. f(t) = e^sin(t) cos(t), [0, π/2]

Mathematics
1 answer:
RideAnS [48]2 years ago
6 0

The question is related to integration and we have to used the following formula

\frac{1}{b-a}\int\limits^a_b {f(x)} \, dx

\frac{1}{\pi /2 -0}\int\limits^0_{\pi/2} {e^{sin t}cos t } \, dt

= \frac{2}{\pi}(e^{sin t})_{0}^{ \pi /2}

=\frac{2}{\pi}(e^{sin(\pi/2)} -e^{sin0})

=\frac{2}{\pi}(e -1)

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What is the perimeter of the polygon?
mr_godi [17]
Welp. I sure hope you like the Pythagorean theorem...
Top line:
One point is (-2,-2) while the other is (3,-3)
Thus the distance in between is sqrt((3-(-2))^2+(-3-(-2))^2)=sqrt(5^2+(-1)^2)=sqrt(26)
Most right line:
One point is (4,-6) while the other is (3,-3)
Thus the distance in between is sqrt((3-4)^2+(-3-(-6))^2)=sqrt((-1)^2+3^2)=sqrt(10)
Most bottom line:
One point is (1,-6) while the other is (4,-6)
Thus the distance in between is sqrt(4-1)^2+(-6-(-6))^2)=sqrt(3^2+0^2)=sqrt(9)=3
Most bottom left line:
One point is (1,-6) while the other is (-2,-4)
Thus the distance in between is sqrt((1-(-2))^2+(-6-(-4))^2)=sqrt(3^2+(-2)^2)=sqrt(13)
Lastly the most left line:
One point is (-2,-2) while the other is (-2,-4)
Thus the distance in between is sqrt((-2-(-2))^2+(-2-(-4))^2)=sqrt(0^2+(2)^2)=sqrt(4)=2
Thus to find the perimeter, we add up all the sides to get
sqrt(26)+sqrt(10)+3+sqrt(13)+2=16.8668 or B




6 0
3 years ago
I need help on 28! Write your answer as a power please :)
Tanya [424]

it is probably 11,514

6 0
2 years ago
HELP ME!!! solve for x
liq [111]

Answer:

x = 13.5 units

Step-by-step explanation:

Segment drawn to join the two sides of the triangle is parallel to third side of the triangle.

Therefore, by basic proportionality theorem:

\frac{12}{27}  =  \frac{6}{x}  \\  \\ x =  \frac{27 \times 6}{12}  \\  \\  \huge \red{ \boxed{x = 13.5 \: units}}

3 0
3 years ago
What is the length, in feet, of the hypotenuse of a right triangle with legs that are 3 feet long and 4 feet long? Question 10 o
wel
A^2+b^2=c^2 so 4(4) +3(3) is 16+9= 25 and the square root of that is 5.
7 0
3 years ago
I really need this answer
HACTEHA [7]

Answer:

A is the answer.

Step-by-step explanation:

What you do is you multiply -6 into each of the fractions and then add or minus the fractions together.

-6(1/4x)=-3/2x

-6(-2/3x)=4x

-6(5/6x)=-5x

-3/4x+4x-5x=-2.5 or A.

4 0
3 years ago
Read 2 more answers
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