Mathematics

Compounded Continuously Help!!! Applied Calculus

Suppose you own a parcel of land whose market price t years from now will be V(t)=20,000*e^sqrt(t) dollars. If the prevailing interest rate remains constant at 7% compounded continuously, when will th

How many permutations are possible of the letters A,B,C,D,E,F

Math question-6!=720-If letters can be repeated, 6x6x6x6x6x6 = 6^6 permutations are possible. If letters cannot be repeated, there are 6! = 720 permutations.-In which language? English only? English a

Math problem ! HELP!

A rectangular lawn has an area of 126 m^2. Surrounding the lawn is a flower border 4 m wide having an area of 264 m^2. A circular sprinkler is installed in the middle of the lawn. What is the spraying

Trig Help: Prove the identity

Im having a tough time with this one. Please show work. Irrelevant and obnoxious answers will be reported. Prove the identity: cosx^4 - sinx^4 = 2cosx^2-1-cosx^4 - sinx^4 = ( cosx^2 + sinx^2 ) * (

Y^2 = xtan(2-y) find dy/dx

please help me figure it out-y^2 = x tan(2 - y) 2y dy/dx = x sec^2(2-y)(-dy/dx) + tan(2 - y) dy/dx[ 2y + x sec^2(2 - y)] = tan(2 - y) dy/dx = tan(2 - y) / [2y + x sec^2(2 - y) ]

Evaluate the following integral by making the given substitution: ∫ ((sec^2(1/x)) / (x^2))dx

Evaluate the following integral by making the given substitution: ∫ ((sec^2(1/x)) / (x^2))dx u= (1/x) Any and all help is much appreciated! Thanks so much in advance!-u = 1/x => du = -1/x^2 dx =>

Find the total weight of the leaves that have fallen in the forest during the first 10 years after the fire

Dead leaves fall to the ground in an area of forest at a rate of r(t) = 3te^-t ounds per year, where t is the number of years after a forest fire.Find the total weight of the leaves that have fallen i

Continuous Random Variable X^n

Find the expected value of X^n, where n is an integer. where fX(x) is 4x(1-x^2) (where 0 = So E(X^n) is the integral of x((4x(1-x^2))^n)between 1 and 0 I think... Which I made out to be the integra

Help solving rational inequality

4x - 8/x-4 Express in interval notation. Can someone help?-(4x - 8)/(x - 4) 4x - 8 4x - 8 x

MATH! i need help with this problem please

the difference between the squares of two consecutive odd numbers is 128. What is the product of the two integers?-Let the 2 consecutive odd numbers are (n-1) and (n+1). (n+1)^2 - (n-1)^2 = 128 Expand

Word problem-Parabola Question

B-ball network uses a parabolic microphone to capture all the sounds from the basketball players and coaches during each regular season game.If one of its microphones has a parabolic surface generated

Will you check my URGENT Algebra monomial work

!0 points best answer. Please help its due tomorrow. idk how to do it. Just give the answer to the wrong ones and explain how to do it i guess. Or just the answer or how to get the wrong ones RIGHT th

Geometry help! a set of numbers making a triangle

so i am doing my homework and the questions says: determine wether each set of numbers can be the measures of the sides of a triangle.If so classify the triangle as obtuse, acute, or right. then it

Write as a percent. Round to the nearest tenth of a percent. 1/3

Write as a percent. Round to the nearest tenth of a percent.1/3-33.3%

Write the equation in polar coordinates: (x-11)^2 + y^2 = 121

(x - 11)^2 + y^2 = 121-x^2 - 22x +121 + y^2 = 121 x^2 -22x + y^2 = 0 x^2 + y^2 = 22x r^2 = 22rcos(theta) r=22cos(theta)