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Questions Answered

alexeis_nicole:
A wheel is rotating at an angular velocity of 1.2 pi radians/second
while a point on the circumference of the wheel travels at 9.6 pi m …
 updated one year ago
 3 replies
 1 Medal
Mathematics

jorourk3:
Let R be the region between the graph of f and the xaxis on the interval . Find the volume V of the solid of revolution generated by revolv…
 updated one year ago
 27 replies
 No Medals Yet
Mathematics

jaydemarie4:
An initial population of 745 quail increases at an annual rate of 16%. Write an exponential function to model the quail population. What wil…
 updated one year ago
 1 reply
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Mathematics

chrislb22:
The graph of a function is given. Find the approximate coordinates of all points of inflection of the function (if any). (Assume a = 6.). gr…
 updated one year ago
 21 replies
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Mathematics

CalcDerp102:
Im doing a problem at the moment and im stuck its a right riemann sum problem, equation and how far i got posted below
 updated one year ago
 33 replies
 2 Medals
Mathematics

melissae2341:
Help with the absolute convergence of infinite series cos(1/2n)/2^n
 updated one year ago
 4 replies
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Mathematics

danyl:
the temperature H of a metal bar, in farenheight , a time t minitues past noon flunctuates according to H(t)=100+4sin(.2t)+8cos(0.6t) . at w…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

karisos:
Evaluate the integral by using multiple substitutions
∫5(3x^27)sin^5(x^37x) cos(x^37x) dx
 updated one year ago
 7 replies
 1 Medal
Mathematics

algebraprobs:
Comment.
 updated one year ago
 4 replies
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Mathematics

willow:
an arrow is fired directly horizontal off a cliff that is 10 meters tall with a velocity of 65.5m/s.
A. How long is the arrow in the air?…
 updated one year ago
 12 replies
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Mathematics

Sea15era:
Given: G = 6.67259 × 10−11 Nm2/kg2
The acceleration of gravity on the surface of
a planet of radius R = 7770 km is 12.6 m/s2.
…
 updated one year ago
 16 replies
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Mathematics

privetek:
use comparison test to determine whether the series converges:
sum(k=1>infinity) [ ( (3k)^(6/7) )/(sqrt(k)+1)^4 ]
 updated one year ago
 1 reply
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Mathematics

e.g.1:
help me please see the attached.
 updated one year ago
 16 replies
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Mathematics

privetek:
determine whether the series converges:
sum(k=1 > infinity) [1/(1+lnk)]
 updated one year ago
 14 replies
 1 Medal
Mathematics

karisos:
Suppose that f is continuous and that (3to3)∫f(z)dz=0 and (3to6)∫f(z)dz=8
Find (3to6) ∫4f(z) dz.
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

HCfootball:
evaluate the discriminant of this equation and determine how many real solutions it has
x^2+5x+6=0
 updated one year ago
 16 replies
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Mathematics

TYDE:
T
 updated one year ago
 1 reply
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Mathematics

HELP!!!!:
What force is required to start a projectile moving if its weight is 500 N?
what is the formula?
 updated one year ago
 2 replies
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Mathematics

razroz:
Evaluate the line integral f(x,y)ds along the parametric curve: f(x,y)=3x+4y^2;x=2t1, y=t+5, 1(<or=) t (<or=) 2
 updated one year ago
 15 replies
 2 Medals
Mathematics

Ldaniel:
Consider the function f(x) = 6sin(x^2) on the interval 0 ≤ x ≤ 3.
(a) Find the exact value in the given interval where an antiderivative,…
 updated one year ago
 2 replies
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Mathematics

dietrich_harmon:
Suppose that a sphere with radius 5a has the same volume as a cone of radius 3a. What is the height of the cone? Give your answer in terms …
 updated one year ago
 7 replies
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Mathematics

joemost:
Problem 5 A square picture is mounted in a frame 2cm wide. The area of the picture is 3/5 of the total area. Find the length of a side of th…
 updated one year ago
 6 replies
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Mathematics

ridgeboy36:
What is the 19th term of the arithmetic sequence 13,21,29...? Answers to choose from
a)157
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Outkast3r09:
A bug is hovering in the air when a vehicle moving at 20m/s hits it. The colision is perfectly elastic, what is the speed of the bug after c…
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

sarah_hendrix7:
PLEASE HELP! :)
Write an equation for a line perpendicular to y=4/3x+12 that contains the point (6,1).
 updated one year ago
 3 replies
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Mathematics

cookie1:
solve sin(5pi/12); use pi/4+pi/6
 updated one year ago
 6 replies
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Mathematics

Outkast3r09:
An urban vehicle weighing 2500 kg hits a stationary 1100kg vehicle. The vehicles stick together and continue to slide 50m to a stop. coeffic…
 updated one year ago
 24 replies
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Mathematics

iama:
one cycle of a sin function begins at x=pi/4 and ends at x=15pi/4, how would i find the 1) phase shift 2) period 3) k value
 updated one year ago
 3 replies
 1 Medal
Mathematics

Cyberium12:
If a cylindrical water tank has the dimensions shown in the figure (included), calculate the amount of sheet metal needed to create this tan…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

loverr123:
i need help with math can someone help me?
 updated one year ago
 11 replies
 No Medals Yet
Mathematics
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