dumbcow
 Name:
 Dumb Cow
 School:
 Dairy Farm University
 About:
 I yawn; I conquer!
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Questions Answered

mancake123:
Group Title
Find the 600th derivative of
f(x) = xe−x.
…
 updated 13 hours ago
 5 replies
 2 Medals
Mathematics

alison0202:
Group Title
Roy Corporation produces plastic dolls. Each doll sells for $13.95 with a variable unit cost of $7.95. Assuming a fixed cost of $84,000 what…
 updated yesterday
 2 replies
 No Medals Yet
Mathematics

kaylamarie081:
Group Title
In your own words, explain what the vertical line test is and how it is used.
…
 updated yesterday
 2 replies
 1 Medal
Mathematics

RaguRagu:
Group Title
Let x(t)=tsin(t) and y(t)=1cos(t)
For t=5pi/6, find x(t) y(t) dx/dt dy/dt dy/dx tang lin slop
 updated 2 days ago
 2 replies
 No Medals Yet
Mathematics

mncastillo55:
Group Title
Without using a calculator, find the exact value as fraction (not a decimal approximation). cos(−π/3)
 updated 2 days ago
 1 reply
 No Medals Yet
Mathematics

jjohnson445:
Group Title
for the function f(x)=lnx/5x find f"(x)
 updated 2 days ago
 2 replies
 2 Medals
Mathematics

katiestyles212:
Group Title
Find the limit. Problem in comments
 updated 2 days ago
 8 replies
 4 Medals
Mathematics

step8410:
Group Title
A curve is defined by the equation (x+y)^23xy=9. Find the rate of change of the slope of the curve at the point (0,3)?
 updated 2 days ago
 1 reply
 No Medals Yet
Mathematics

olsonrey:
Group Title
If beaker A contains a 15% solution of Lemonade and beaker B contains a 20% solution of Lemonade, how much from each beaker shoud be usede t…
 updated 2 days ago
 8 replies
 1 Medal
Mathematics

jpark:
Group Title
Find the values of x for which the series converges (write the answer in interval form)
Sum of ((6)^n)(x^n) starting from n=1 to infinity …
 updated 2 days ago
 20 replies
 1 Medal
Mathematics

adison0112:
Group Title
A circular lake has a diameter of 10 miles. Mathman and several other contestants are assembled at point A and need to get to point b in the…
 updated 2 days ago
 9 replies
 No Medals Yet
Mathematics

Grazes:
Group Title
Let g(x)=x^3+ax+b, where a!=b. If the tangent lines to g at x=a and x=b are parallel, find g(1).
 updated 2 days ago
 12 replies
 3 Medals
Mathematics

rherdman1:
Group Title
On the basis of the confidence interval of 95%, is it reasonable to conclude that more than half of the customers use a debit card?
95% …
 updated 2 days ago
 9 replies
 1 Medal
Mathematics

Bryan11:
Group Title
could you guys help me with with a hint for this proof on limits ?
 updated 2 days ago
 12 replies
 1 Medal
Mathematics

El_Arrow:
Group Title
Find the value of the sum (sigma notation problem)
 updated 2 days ago
 31 replies
 2 Medals
Mathematics

Kasanara:
Group Title
is a triangle with side lengths of 85,2014, and 221 acute, right, or obtuse
 updated 2 days ago
 3 replies
 No Medals Yet
Mathematics

sothe:
Group Title
Find the probability that in seven tosses of a fair dice, 3 appears at most two times.
 updated 2 days ago
 4 replies
 1 Medal
Mathematics

elliecannot:
Group Title
An airplane descends at a steady rate every second before landing. If you calculate the change in altitude after a certain number of seconds…
 updated 2 days ago
 6 replies
 No Medals Yet
Mathematics

kmullis6:
Group Title
Please help me on this physics question I'm so lost /:
 updated 2 days ago
 4 replies
 1 Medal
Mathematics

starrhazel123:
Group Title
Please help me I will give everyone who helps me a medal I have like 20 questions so if you come on please stay on k QUESTIONS BELOW
 updated 2 days ago
 59 replies
 2 Medals
Mathematics

jpark:
Group Title
Find the values of x for which the series converges (write the answer in interval form)
Sum of ((6)^n)(x^n) starting from n=1 to infinit…
 updated 2 days ago
 4 replies
 No Medals Yet
Mathematics

Bryan11:
Group Title
could you help me with this limit problem :D ?
 updated 2 days ago
 31 replies
 3 Medals
Mathematics

amberk123:
Group Title
someone check my answer plz
The name of the triangle in which all interior angles are less than 90°.
…
 updated 2 days ago
 4 replies
 1 Medal
Mathematics

Lexilove13:
Group Title
Simplify the expression
5+i
_____
…
 updated 2 days ago
 54 replies
 2 Medals
Mathematics

puppylover234:
Group Title
Find the measure of angle Z:
 updated 2 days ago
 14 replies
 No Medals Yet
Mathematics

Shaekitchen:
Group Title
For a reent 41year period, there were 5,469 major earthquakes; these are earthquakes measuring at least 6.0 on the Richter scale in the wor…
 updated 2 days ago
 4 replies
 No Medals Yet
Mathematics

Chubba:
Group Title
I need help with two math problems. I have tried working them out many times myself. and keep getting the wrong answer.
System of equation…
 updated 2 days ago
 11 replies
 2 Medals
Mathematics

sara19909:
Group Title
367.2 to scientific notation
 updated 2 days ago
 7 replies
 1 Medal
Mathematics

win649:
Group Title
An airplane flies west at 150m/s at an altitude of 1000m. A searchlight on the ground in the same vertical plane must be kept on the airplan…
 updated 2 days ago
 4 replies
 No Medals Yet
Mathematics

joydbhfjhfd:
Group Title
Write the word that should be followed by a comma in the sentence. If no comma is needed, write correct.
At times elephants show extraor…
 updated 2 days ago
 1 reply
 No Medals Yet
Mathematics
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