Tuesday
December 10, 2013

# Posts by courtney

Total # Posts: 631

Calculus
A spring has a natural length of 24 cm. If a 27-N force is required to keep it stretched to a length of 30 cm, how much work W is required to stretch it from 24 cm to 27 cm? (Round your answer to two decimal places.)

Calculus
A spring has a natural length of 24 cm. If a 27-N force is required to keep it stretched to a length of 30 cm, how much work W is required to stretch it from 24 cm to 27 cm? (Round your answer to two decimal places.)

calculus
ç(3x+2) dx

calculus
Evaluate the integral. Express your answer using words or symbols. ç(-2sin x) dx

calculus
Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include letters a-d below: a. The w...

calculus
Solve the differential equation below, given the initial condition f(0) = 3. Express your answer using words or symbols. y=-5x^2

A Fortune 500 CFO admits to having deliberately treated \$4 billion in operating expenses as assets, thereby allowing the corporation to show profits instead of losses. The auditor never detected this. The corporation’s stock drops 95 percent and bond covenants related to ...

science - biology
What is the health advantage that can result in sickle cell hemoglobin?

Physics
A block of mass m is being dragged across the floor by a force F. The coefficient of friction between the block and floor is u. Show that if the block is being accelerated by the force F from rest for a time t, the speed of the block at time t can be found from: Vf= (F/m - ug)t

algebra
Find each of the following for x^2+5x+6 and x^2+x-2. a) the LCM b) the GCF

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