07/09/15

Compute the value of the following improper integral
Compute the value of the following improper integral ∫(5(ln(x)))/x^(8)dx, from 1 to infinity =Does the series ∑ (5(ln(n)))/(n^(8))dx, from n=1 to infinity converge or diverge? Hint:Use integration... more
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07/09/15

solve this as quick as you can
Rectangle A has a length of 5 inches and a width of 3 inches. Rectangle A has the same area as Rectangle B, but has different dimensions. The width of Rectangle B is 50% shorter than the width of... more
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07/09/15

Exponential and Logarithm
The Mendes family bought a new house 8 years ago for $126,000. The house is now worth $156,000. Assuming a steady rate of growth, what was the yearly rate of appreciation? Round your answer to the... more
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07/09/15

Using Exponential and Logarithmic Functions
The annual Gross Domestic Product (GDP) of a country is the value of all of the goods and services produced in the country during a year. During the period 1985-1999, the Gross Domestic Product of... more
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07/09/15

Rates of Change
A ladder AB of length 5 m has one end A leaning against a vertical wall. The other end B rests on the horizontal ground. When A is at a height of 4 m, it slides down the wall at the rate of 2m... more
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07/09/15

Rates of Change
N is a fixed point on the circumference of a circle, centre O,radius 8 cm. A variable point P moves around the circumference such that θ (or ∠PON) increases at a constant rate of π/2 rad. per... more
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07/08/15

Trigonometry
Given that  cosθ=-4/√53 and that the terminal side is in quadrant II, find the length of the third leg and  the other five trigonometric function values.
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07/08/15

. if 78.04% of the carbon-14 remains in the sample, estimate the age of the mummy. the half size carbon-14 is 5730 years
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07/08/15

if ? is in quadrant IV, what can be a value of cos?
trigonometry help
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07/07/15

motorboat takes 4 hours traveling 192 km upstream. 3 hours down stream. What is the rate of the boat in still water & what is he rate of the current
A motorboat takes 4 hours to travel 192 km going upstream. The return trip takes 3 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
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07/07/15

Find the rate at which the water level is rising when the water level is 2 cm
An inverted pyramid is being filled with water at a constant rate of 70 cubic centimeters per second. The pyramid, at the top, has the shape of a square with sides of length 3 cm, and the height is... more
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07/06/15

30 helpppp
a freight train leave the town and goes north at the rate of 40 miles per hour a second train starts North 3 hours later If the rate of the second train is 56 miles an hour ,in how many hours... more
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07/06/15

Physics: temperature
Using the correct relationship between temperature in Celsius and Fahrenheit, what one temperature has the Fahrenheit value equal the Celsius value?
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07/06/15

tough question
GIVEN THAT SINθ= -11/61 AND θ IN QUADRANT IV DETERMINES SIN 2θ, COS 2θ, TAN 2θ. WHICH QUADRANT IS 2θ IN.     SIN 2θ=     COS 2θ=    TAN 2θ= 
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07/06/15

cannot figure out
USE THE HALF-ANGLE IDENTITIES TO EVALUATE EXACTLY?   SIN 15°=
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07/06/15

A plane can fly 840 miles in the same time as it takes a car to go 180 miles. If the car travels 110 mph slower than the plane, find the speed of the plane.
math word problem
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07/06/15

Solve x^4 + x^2 – 2 = 0. (Multiple Choice)
a. x = ±1 or x = ±ib. x = ±1 or x = i√2c. x = ±1 or x = ±2d. x = ±1 or x = √2
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07/06/15

Which is the derivative of y = /x3 + 3x - 16/2
 Calculus Question
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07/06/15

what is the derivative of y = x100/100 - x50/50 + 50
Calcus question I don't understand the concept.
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07/06/15

Differentiation
The tangent to the curve y=ax^2+bx+2 at (1,0.5) is parallel to the normal to the curve y=x^2+6x+4 at (-2,-4).Find the value of a and b.
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07/05/15

solve problem
GIVEN THE FUNCTION VALUE AND THE QUADRANT RESTRICTION. FIND θ?   CSC θ = -1.0403,   INTERVAL (270°, 360°)    
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07/04/15

a 100kg car starting from rest runs down a 30degree slope. If length of slope is 20meter . what is the speed of the car at bottom
Mass=100 kg Angle= 30 degree Distance= 20 meter Speed =?
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07/04/15

Find the Area
Find the area between the graphs of f and g. f(x)=x2+3, f(x)=(√(x)) +3
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07/04/15

Excluding stoppages the speed of a bus is 54km/hr and including stoppages it is 45km/hr. For how many minutes does the bus stop per hour.
Excluding stoppages the speed of a bus is 54km/hr and including stoppages it is 45 km/hr. For how many minutes the bus stop per hour. 
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07/03/15

Kinematics
A particle P moves in a straight line so that its displacement, s m, from a fixed point O , t seconds after passing through point A one the line , is given by s=t^3-3t^2-9t+30. Calculate (a) the... more
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