08/07/14

Find the general solution?
Find the general solution of y'+(1/x-1)y=-2/x.   Answer: y=2/x+(c/x)e^x   Please show all your work step by step.
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08/05/14

what is the domain and range of y=(16-x^2)^(1/2)
What is the domain and range of the following problem? y=(16-x^2)^(1/2)
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07/29/14

Calculus velocity question..
A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds inclusive. The position... more
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07/29/14

A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/h
A police jeep ( vaan ) is chasing a culprit going on a bike . The motor bike crosses a turning at the speed of 72 km/hr .The jeep follow it at a speed of 90km/hr crossing the turning ten second... more
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07/21/14

Use the Law of Cosines to find the specified missing value.find B.
If A = 60°, b = 20 ft, c = 30 ft,
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07/21/14

how do you find integrals and what is the difference between integration and antiderivative
how do i find the antiderivative of x^3+sin(22x)+(x+1)^3/4 dx
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07/21/14

Evaluate the integral shown below using the given method
∫sin(x)cos(x) dx   1. substitution where u=sin(x) 2. substitution where u=cos(x) 3 .integration by parts 4. using the identity sin(2x)=2sin(x)cos(x)
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07/20/14

help with discounts/percents
    what is the selling price of merchandise listed at $5.900 if discounts of 15%, 10% and 4% are given.   I solved it this way                      5900 x 85%  (.85)  = ... more
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07/20/14

I don't understand this
If there are two and one half billion tubes of toothpaste sold in the United States in one year, and one of ten people switched to a new brand, how many tubes of the new brand would they be buying?
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07/19/14

Please Solve this
a= log2412  , b= log4836 , c= log3624 Then how to prove 1+abc = 2bc
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07/17/14

If a number is added to twice its square, the result is 6. Find the no.
I need it today. TODAY IS MY DEADLINE. Please, help meeeee....
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07/14/14

critical and inflection points??
what are the critical points, inflection points, intervals of increase/decrease and concavity in the following?i used data from monthly weather averages to obtain the... more
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07/13/14

Find the scale factor of the dilation, with respect to the origin, for the mapping of (1, -3) ? (4, -12).
Find the scale factor of the dilation, with respect to the origin, for the mapping of(1, -3) → (4, -12)
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07/10/14

the hight h of a rocket t secs. After the launch when will the rocket reach the hight of 230 feet? when will the rocket be back on the ground
given the equation h=144t-16t2 h=hight t=seconds When will the rocket reach the height of 230 feet? When will the rocket be back on the ground?
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07/10/14

Find x and y in the illustration below
 D  y*                 C       *=degrees      _____________    /                      /   /                      /  /___________  /   A  (2x + y)*        B  3x*  
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07/09/14

what is 0.9%of $34
what is 0.9%of $34     x:125=5:25
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07/09/14

Find value
sin(x+y)/sin(x-y)=(a+b)/(a-b) then tanx/tany=?
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07/09/14

This is Maximum when x is ?
(31/2)sinx+cosx 
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07/07/14

what is the height of the building?
A surveyor determines that the angle of elevation to the top of a building from a point on the ground is 26.2 degrees. He then moves back 53.9 feet and determines that the angle of elevation is... more
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07/07/14

An umbrella is made by stitching 10 triangular pieces, of cloth of two different colors, each piece measuring 20 cm long, 50 cm and 50 cm.
An umbrella is made by stitching 10 triangular pieces, of cloth of two different colors, each piece measuring 20 cm long, 50 cm and 50 cm. How much cloth of each color is required for the umbrella?
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07/06/14

How many dusters, each 16 cm square can be cut from material 84 cm long, 36 cm wide? What area remains over?
Find the cost of the paper for the walls of the room if each piece of paper is 40 cm wide and 60 cm long : the room is 6 m long, 4 m wide, 3 m high and the cost of paper is Rs 1.40 per piece; allow... more
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07/05/14

Pottery studio
A pottery studio gives two hour and five hour classes for $36 an hour. If the studio has collected $5976 for a total of 47 classes, how many two hour classes and how many five hour classes were... more
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07/05/14

help with work/calories c/o physical science
  walking wich is a type of work requires that  you burn about 6 calories per minute.  according to the first law of thermodynamics how many calories must you use up from eating food or stored fat... more
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07/05/14

How many passengers?
A bus stopped at Ryde. Half the passengers got off and 8 new passengers got on. At the next stop, 1/3 of the passengers got off and 4 got on. And at the next stop, 1/5 of the passengers got off and... more
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07/04/14

Find the angle complementary to pie over 22
Choices are ;   21 pie over 22   3 pie over 11   5 pie over 11   11 pie over 22
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