07/08/15

P is greatest three digit integer. N is the greatest two digit integer with no repeated digits.what is the value of P+N

P is greatest three digit integer. N is the greatest two digit integer with no repeated digits.what is the value of P+N

07/08/15

Find the first term and the ratio between successive terms for the following geometric series. 7-21y^(2)+63y^(4)-189y^(6)+? first term = ratio =

Find the first term and the ratio between successive terms for the following geometric series.7−21y^(2)+63y^(4)−189y^(6)+?first term = ratio =
Sum

07/08/15

Calculate S3,S4, and S5 and then find the sum for the telescoping series S=?n=68(1n+1-1n+2) S3 = S4 = S5 = S =

Calculate S3,S4, and S5 and then find the sum for the telescoping seriesS=∑(1/n+1−1/n+2),n=0..infinityS3 = S4 = S5 = S =

07/07/15

If the fraction is equal to 3/4, what is the denominator of this fraction?

The numerator of a certain fraction is 5 less than the denominator.   Please help. Thank you

07/07/15

If the two line intersect at the point (t, t + 1), what is the value of t?

In the xy-plane, the line l passes through the origin and is perpendicular to the line 4x + y = k, where k is a constant.   Please help. Thank you.

What is The rate of change of the area enclosed between the circle and the square

A circle is inside a square.The radius of the circle is decreasing at a rate of 3 meters per minute and the sides of the square are increasing at a rate of 4 meters per minute.When the radius is 5... more

07/07/15

What is an equation for the speed of the dragonfly

A dragonfly can move 12 times as fast as a cockroach. If the dragonfly flies 33 miles per hour faster than the cockroach can crawl, write an equation that best describes the speed of the dragonfly

07/07/15

Multi-Step: Factoring out and Factoring Completely

The volume of a prism is 6x3+14x2+4x cm3. Find the dimensions of the prism:      a. Factor out common terms.      b. Factor completely to find the dimensions.

07/06/15

Two variable quantities A and B are found to be related by the equation A^3 +B^3=189. What is the rate of change dA/dt at the moment whn A=5 and dB/dt=3?

Two variable quantities A and B are found to be related by the equation A^3 +B^3=189. What is the rate of change dA/dt at the moment whn A=5 and dB/dt=3?

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

07/06/15

find the length of the curve over the interval [1,3] f(x)=(1/12)x^3 +x^-1

find the length of the curve over the interval [1,3] f(x)=(1/12)x^3 +x^-1

07/05/15

Write function from roots

x = -2 ± 5i   and     One root is 6i

07/05/15

Word Problem Involving Logarithm

Question 3The price of a brand new car was $180000 on 1st January 2008. Its value depreciated in such a way that t months after the purchase, the sale price, $P, is determined by the formula t P e... more

Appilcations of Integration

Find the average value of f on the given interval. f(x)=x^2 for 0≤x≤6

07/04/15

Help Me Please

The curve y=x^2-3x-4 cuts the x axis at A and B. The tangents to the curve at A and B meet at T and the normals to the curve at A and B meet at N. Find the area of the quadrilateral ATBN.

07/03/15

Solve for x: x^19 - 2x^18 + 7x^17 - 12x^6 + 6x^15 = 0

Solve for x: x^19 − 2x^18 + 7x^17 − 12x^6 + 6x^15 = 0   Please help and thank you!Full answer please!

07/03/15

Rates of change

A ladder AB of length 5m 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  4m , it slides down the wall at the rate of 2m/s.... more

Determine the type and number of solutions of 6x^2-7x-4=0

Determine the type and number of solutions of 6x2-7x-4=0   Please and thank you!

07/03/15

The vertices of a triangle are A(7,5) B(4,2) C(9,2). What is m?ABC?

Any help anyone? Im stuck on this. The answer choices areA. 30B. 45C. 56.31D. 78.69

07/02/15

Differentiation Tangents and Normals

Find the coordinates of the two points on the curve y= 4- x^2 whose tangents passes through the point (-1 ,7 ).

07/02/15

Differentiation Tangents and Normals

Find the equation of the tangent to the curve y=x+x^2 at the point where x=a. Find the values of a for which this line passes through the point P(2,-3).Hence, find the equations of the tangents... more

if the value of a car depreciates by 60% over ten years, and its value in the year 2000 is $2500, what was its value in the year 1990?

I have the answer to this question, however I do not know how it is to get the answer. Somehow the answer is 6250.

07/02/15

form a third-degree polynomial function with real coefficents such that -9 + i and -8 are zeros

 form a third degree polyomial function with real coefficients such that -9 + i and -8 are zeros

Please help explain these questions

a. How many combinations are there of a set of n distinct objects taken r at a time? b. How many combinations are there of six distinct objects taken three at a time?

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