02/07/17

Integration in calculus
Find or evaluate the integral by completing the square. (Round your answer to three decimal places.) Boundary is from 2 to 3.    ∫ (2x-3)/ (√(4x-x2) dx
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02/07/17

Calculus. How to solve integrals?
Find the indefinite integral   ∫ t/(t4+49) dt
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02/05/17

Calculus simplyfing expressions
Simplify the expression   tan (sin-1 x)
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02/05/17

Derivatives calculus
Find the derivative of the function   y=3 tan-1 (x-(√1+x2))   1+x2  is  the square root   
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02/05/17

Derivatives calculus
Find the derivative of the function f(x) = cos-1(sin 2x)     Thanks  
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02/05/17

Find a limit expression for the area under f above (1,3)
f(x)= (2x)/(x^2+1) [1,3] 
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01/23/17

the demand function for a firm is given as P=60-0.5p and the supply function is p= 10+Q
1. find the equilibrium price and quantity. 2.calculate the consumer surplus and producer surplus at equlibrium
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01/18/17

Find Partial Derivative
Find the partial derivative of V = straight pi r2 h with respect to h. Give your answer in terms of a numerical value, using r = 12.2 and h = 68.6. Do not use scientific notation or include units.
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11/28/16

Nature Of Science And Physics 3
What is the height in meters of a 7 foot 2.0 inch tall person? m
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11/21/16

Kyle wants to jump from a cliff that is 21.0 m tall.Rocks stick out 9.50 m from the base of the cliff.What must his horizontal speed be to clear the rocks?
Kyle wants to jump into the water from a cliff that is 21.0 m tall. There are rocks that stick out 9.50 m from the base of the cliff. What must his horizontal speed be in order to clear the rocks?
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11/18/16

optic science
Q monochromatic light is refracted from air into a medium of refractive index n. The ratio of the wavelengths of the incident and refracted waves is. A. 1:1                       B. 1:n C. n:1  ... more
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11/08/16

IN NEED OF STATISTICS HELP!! PLS I cannot figure it out and I am getting so frustrated :(
In a particular municipality, it is believed that 25 percent of homes are not properly insulated. In order to test H0:p=.25 vs. HA:p≠.25 (where p is the population proportion of homes that are not... more
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11/08/16

A boat travels 35 km upstream and then back again in 4 hrs. 48 mins. If the speed of the ship in still water is 15 km/hrs., what is the water speed?
Think it has something to do with rt=D or something like that.
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11/02/16

I really need help on this problem. Thanks. Determine whether the series is absolutely convergent, conditionally convergent, or divergent.
infinity (−1)^n (5^(n) n!)/(11 · 18 · 25 · ? · (7n + 4)) n = 1  
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10/26/16

Surface area = 4pr2; where r is the radius of the sphere; p is a constant that is roughly equal to 3.
 i can not solve this so do it for me
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10/21/16

Calculus 2 Area of a Region
Can someone walk me through this? I'm not understanding.   Consider the region enclosed by the graphs of 2y=5√x , y=8 , 2y+1x=6 The area A of this region could be computed in two ways: 1) By... more
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10/18/16

times a number is 16 less than the square of that number. Find the negative solution.
times a number is 16 less than the square of that number. Find the negative solution.
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10/03/16

CALC 3 : Is the line through (-4, -6, 1) and (-2, 0, -3) parallel to the line through (8, 19, 8) and (3, 4, 18)?
Is the line through (−4, −6, 1) and (−2, 0, −3) parallel to the line through (8, 19, 8) and (3, 4, 18)?   Please use something along the lines of parametric and symmetric equations! This is... more
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07/12/16

The air temperature is a nice 20 degree Celsius. If a ball is dropped in a well, and the sound is heard 4.0s later, how deep is the well?
Hi. This is a physics 11 problem and I know the answer is 70.5m. 
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04/21/16

Riemann sum
 1. Evaluate the Riemann sum for (x) = x3 − 6x, for 0 ≤ x ≤ 3 with six sub intervals, taking the sample points, xi, to be the right endpoint of each interval. Give three decimal places in your... more
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04/18/16

I need help in finding: The voltage V across a charged capacitor is given by V(t)=7e^(-0.6t) where t is in seconds.
So I need help with finding    A. What is the voltage after two seonds? (rounded to the nearest 0.001 volts)   B. When will the voltage be 1? (rounded to the nearest 0.01 second)   C. By what... more
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04/12/16

Statistics: Suppose you are using a = 0.05 to test the claim that µ ? 14 using the p-value method.
Suppose you are using α = 0.05 to test the claim that μ ≠ 14 using the p-value method. You are told the TS: z = -1.97 . Find the p-value and determine the decision.   A. 0.0488; do not reject the... more
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03/03/16

How do you calculate velocity given mass and height and GPE
I need to calculate KE, ME, and velocity given GPE, mass and height
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03/02/16

One way Analysis of Variance(ANOVA), F-test
The data shows the result of experiment conducted to increase the sales of the company’s products,where 3 strategies were utilized. Test whether there is significant difference among the 3... more
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02/27/16

To lift a 1200 N motorcycle a vertical height of 1.3 m onto a pickup truck, a...
To lift a 1200 N motorcycle a vertical height of 1.3 m onto a pickup truck, a motocross rider pushes the bike up a ramp 2.4 m, requiring an effort force up the ramp of 820 N. What is the efficiency... more
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