Questions Answered

Keridavis:
Group Title
What is the vertex of Y = x^2 +2x +3
…
 updated 23 hours ago
 20 replies
 2 Medals

mrericbauer:
Group Title
Limits (Calculus)
 updated 5 days ago
 3 replies
 No Medals Yet

s_ally:
Group Title
An astronaut at rest on Earth has a heartbeat rate of 74 beats/min. When the astronaut is traveling in a spaceship at 0.85c, what will this …
 updated 5 days ago
 2 replies
 No Medals Yet

jenniferjuice:
Group Title
http://assets.openstudy.com/updates/attachments/53d43236e4b081ba963ba209jenniferjuice1406415438454onemore.png
 updated 5 days ago
 17 replies
 1 Medal

AvatarKorra:
Group Title
MEDALS are rewarded
pls help
What is the domain of a square root function with an endpoint at (−4, 5)?
 updated one month ago
 1 reply
 No Medals Yet

MelissaHolmes:
Group Title
If sin Θ = 2 over 3 and tan Θ < 0, what is the value of cos Θ?
square root 5 over 2
…
 updated 2 months ago
 72 replies
 6 Medals

aminehr:
Group Title
I have to solve this to make one side look like the other.
[ sin(a+B) / sin(aB) ] = [ tan(a) + tan(B) / tan(a)  tan(B) ]
 updated 3 months ago
 8 replies
 1 Medal

greenglasses:
Group Title
Two corridors whose widths are 64 units and 27 units respectively meet at a right angle. Calculate the length of the longest rigid beam that…
 updated 3 months ago
 7 replies
 3 Medals

Bribear:
Group Title
Write as an algebraic expression in x free of trigonometric or inverse trigonometric functions:
cos(cot^1x)
 updated 3 months ago
 2 replies
 1 Medal

mik333:
Group Title
how many significant digit of 0.03
…
 updated 5 months ago
 8 replies
 2 Medals

bangbang559:
Group Title
divide (8x^4y3+4x^3y^22x^2y12x^2y^4) by 2x^2y
justify each step
 updated 5 months ago
 23 replies
 2 Medals

Gg1232:
Group Title
how do you find the axis of symmetry of −4(x − 8)2 + 3
 updated 5 months ago
 15 replies
 2 Medals

prettigirlrock0804:
Group Title
list the possible zeros of 5x^3+2x^2x6
 updated 5 months ago
 9 replies
 No Medals Yet

Imbueds:
Group Title
Graphing problem..
http://i.imgur.com/j5AGSUi.png…
 updated 5 months ago
 4 replies
 No Medals Yet

habibmatatta:
Group Title
gsdagasdf
 updated 5 months ago
 12 replies
 2 Medals

QueenBee232:
Group Title
A 0.145 kg baseball is launched at an angle of 30 degrees and strikes the ground at 18 m/s. How fast would it be moving when it reaches the…
 updated 5 months ago
 45 replies
 1 Medal

hlm333:
Group Title
A point moves on the xaxis in such a way that its velocity at time t (t>0) is given by v= lnt/t. At what value of t does v attain its maxim…
 updated 5 months ago
 2 replies
 1 Medal

TachiHere:
Group Title
Calculus 2
 updated 6 months ago
 6 replies
 No Medals Yet

sparkly16:
Group Title
Find the two straight lines that are perpendicular to y=0.25x and tangent to the curve f(x)=1/x?
 updated 6 months ago
 2 replies
 No Medals Yet

AtefehAnsari:
Group Title
point manufactured needs to construct a cylinder can that holds 250 pi cm3(785 cm3) of tis product. to reduce its cost for the can the manuf…
 updated 6 months ago
 1 reply
 No Medals Yet

Wawafat:
Group Title
Working on Rolle's Theorem right now:
C(x) = 10(1/x + (x/(x+3)))
Find the derivative and solve for x in the derivative.
 updated 6 months ago
 20 replies
 1 Medal

amandaaa00rouseee:
Group Title
Please Help Really Confused!
A science teacher has a supply of 5% hydrochloric acid and a supply of 65% hydrochloric acid. How much of each…
 updated 6 months ago
 2 replies
 1 Medal

peacemakerxx:
Group Title
Quick help x+4*x4?
 updated 6 months ago
 11 replies
 No Medals Yet

ny.lauarcos:
Group Title
how do I find the increasing and decreasing intervals of f(x)= x  2 sin(x)
0<x<3pi
 updated 6 months ago
 2 replies
 1 Medal

nevruc:
Group Title
Which is true?
a) If f is continuous at x=c, then f ' (c) exists
b)if f ' (c)=0, then f has a local max or a local min at x=c
…
 updated 7 months ago
 2 replies
 No Medals Yet

autheabro:
Group Title
Find the values of C such that the graph of F(x)=x^4+2x^3+Cx^2+2x+2 is concave upward everywhere
 updated 7 months ago
 23 replies
 1 Medal

ChasingMaggie:
Group Title
An object is dropped from a height of 1700 ft. above the ground. The function h=16t^2+1700 gives the object's height h in feet during free …
 updated 8 months ago
 1 reply
 No Medals Yet

Dayjen000:
Group Title
If f(x)=2sqrt3x and f(c)=f'(c) then c=?
 updated 8 months ago
 4 replies
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Yondaime:
Group Title
Points of inflection and concavity intervals. I don't understand (comments)...
 updated 8 months ago
 4 replies
 No Medals Yet

Lukecrayonz:
Group Title
There are 3 workers working on one project. Worker A can complete it in 8 hours. Worker B can complete it in 6 hours. Worker C is unknown as…
 updated 8 months ago
 1 reply
 No Medals Yet
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