08/27/23

graphing standard

passes through the y intercept of the line with the equation 2x+3y=15 and is perpendicular to the line with the equation 3x-4y=12
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08/26/23

Set up, but do not evaluate, an integral for the volume of the solid obtained by rotating the region bounded by: y = sin(x), y = 0, 0 ≤ x ≤ 𝜋; about y = −3
I know it is integrating from 0 to pi, but the line that it is rotating around is confusing me a bit. The answer I came up with was integrating from 0 to pi of pi times (sin^2x+6sinx+9), which is... more
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08/20/23

Please help soon!
A curve is given by x5-x4y4+y5=-1507 If y(-3)=2 evaluate dy/dx
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08/15/23

calculus homework

A particle moves along the x-axis search that it’s position at any time (t) is given by the equation x(t)= t2— 2t +9. Find the distance the particle moves from t= -3 to t=4
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08/14/23

The hypotenuse will be 5 5​ feet long. The length of one leg of the triangle is 2 2​​ feet​ less​ than twice the other leg.

The hypotenuse will be 55​ feet long. The length of one leg of the triangle is 22​​ feet​ less​ than twice the other leg. 
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07/26/23

Please give answer and show your work for all questions

Let’s assume the following statements are true: Historically, 75% of the five-star football recruits in the nation go to universities in the three most competitive athletic conferences.... more
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07/25/23

The position of a particle on the x-axis at time t, t > 0, is s(t) = ln(t) with t measured in seconds and s(t) measured in feet. What is the average velocity of the particle for 1 ≤ t ≤ e?
a. 1b.ec. e-1d. 1/e-1
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05/02/23

Use the cylindrical shell method to compute the volume obtained by rotating the region under y=9-x^2 and over [0, 3] about the x-axis.
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04/22/23

False Negative/False Positive

A drug testing company advertises a test for steroids that is 93.5% effective at detecting steroid use. It has a true negative effectiveness of 90.5%. Suppose 6% of 10,000 professional cyclists are... more
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02/08/23

Calculus Word Problem
Suppose the number of CD players a retail chain is willing to sell per week at a price of p dollars is given by the function S(p)=50p/0.4p+6.Find the supply and the instantaneous rate of change of... more
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01/20/23

Calculus intergrals
If 𝑓(𝑥) is a positive continuous function on ℝ, what does the function 𝐹(𝑥)=∫𝑥𝑎𝑓(𝑡)𝑑𝑡 represent (for 𝑥>𝑎)?The slope of the tangent line to the graph of 𝑓 at 𝑥.The area between the graph... more
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01/19/23

wyzant Guarantee

Hello, would you be able to tell me how to ask for a refund if I didn't like my first session? I am in the process of finding another tutor
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12/13/22

Find the magnitude and direction (in degrees) of the vector. (Assume 0° ≤ 𝜃 < 360°.) 𝘃 =〈-root2/5,-root2/5.
Find the magnitude and direction (in degrees) of the vector. (Assume 0° ≤ 𝜃 < 360°.) v=〈-(√2)/5,-(√2)/5)i was getting 2/25 and 45° but my homework program said it was wrong
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12/12/22

Use substitution to find an indefinite integral with exponential functions
∫4t^4e^2t^5Please explain each step in detail. Thank you!
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12/11/22

Calculate work in clear way
Find the average value of the function 𝑓(𝑥)=−2sin𝑥f(x)=−2sin⁡x on the given intervals.a) Average value on [0,𝜋/2][0,π/2]:   b) Average value on [0,𝜋][0,π]:   c) Average value on [0,2𝜋][0,2π]:   
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09/22/15

How do you answer this problem? Please add an image & solution for this :)
"A reflecting telescope has a parabolic mirror, where the distance from the vertex to the focus is 10 meters. If the distance across the top of the mirror is 8 meters, how deep is the mirror at the... more
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05/06/15

A kayaker paddles across a river at a constant speed of 4 miles per hour and a bearing N 60 degrees E.
  What current vector results in the kayaker's actual direction being N 70E? Round speed to the nearest tenth and direction to the nearest degree.thanks
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