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Questions Answered

amanda16:
Group Title
Which statement shows how two polynomials 5x − 6 and 6x + 2 demonstrate the closure property when multiplied?
30x2 − 26x − 12 may or ma…
 updated 22 days ago
 10 replies
 No Medals Yet
Mathematics

dariobl:
Group Title
dy/dx=4x^3y3x^2y
 updated one month ago
 7 replies
 3 Medals
Mathematics

BrighterDays:
Group Title
evaluate the definite integral of (x sin(x))/cos^3(x) dx, on the interval [0, pi/4]
 updated one month ago
 8 replies
 3 Medals
Mathematics

Huyani:
Group Title
Find all of the solutions in interval (0, 2π)
2sin ²x = sinx
(Also, I'm still not very clear on what an interval is, mind explaining that…
 updated one month ago
 8 replies
 1 Medal
Mathematics

sunflower32:
Group Title
how is base 2 logarithmic function used in real life?
 updated one month ago
 6 replies
 No Medals Yet
Mathematics

Cutefriendzoned:
Group Title
Evaluate the area enclosed by the curve corresponding to the following parametric equations:
x(t) = sin(3t)
…
 updated 2 months ago
 20 replies
 2 Medals
Mathematics

678520:
Group Title
A card is drawn from a standard deck of 52 cards. What is the probability this card will be a king or an ace? A. about 3.9% B. about 7.7% C.…
 updated 2 months ago
 1 reply
 No Medals Yet
Mathematics

stephy__ann:
Group Title
create a quadratic function with two real zeros
 updated 2 months ago
 7 replies
 No Medals Yet
Mathematics

ILoveComputers1:
Group Title
What is the axis of symmetry for f(x) = 2x2 − 4x + 5?
…
 updated 2 months ago
 10 replies
 3 Medals
Mathematics

dcarlson:
Group Title
Find the larger of two positive real numbers that differ by 3 and have a product of 9
 updated 2 months ago
 5 replies
 No Medals Yet
Mathematics

Gizmogorilla:
Group Title
3sinx=cosx
Solve for 0<x<360. Give answer to the nearest degree.
 updated 2 months ago
 15 replies
 1 Medal
Mathematics

xjakester:
Group Title
4cis(7pi/6)3cis(pi/3) I'm not understanding how to solve.
 updated 2 months ago
 7 replies
 No Medals Yet
Mathematics

NeedHelpQuick546:
Group Title
What is the value of x?
…
 updated 2 months ago
 8 replies
 No Medals Yet
Mathematics

selenaannerios:
Group Title
Name the property of congruence that justifies this statement:
If <w=<x and <x=<y, then <w=<y
A. transitive property
…
 updated 2 months ago
 22 replies
 2 Medals
Mathematics

Eli_Olson:
Group Title
write the equation of the line passing through (3,6) and perpendicular to the line whose equations is 6xy4=0
 updated 2 months ago
 13 replies
 1 Medal
Mathematics

zachy1234:
Group Title
last integral
 updated 2 months ago
 8 replies
 3 Medals
Mathematics

hoopshiree:
Group Title
Prove the identity: (sin^2theta) x (csc^2theta) = sin^2theta +cos^2theta
 updated 2 months ago
 8 replies
 2 Medals
Mathematics

zachy1234:
Group Title
integral
 updated 2 months ago
 10 replies
 3 Medals
Mathematics

atailor3:
Group Title
write the trigonometric expression as an algebraic expression in u: cos(tan^1 u)
 updated 2 months ago
 7 replies
 2 Medals
Mathematics

Pamela16:
Group Title
The center of a circle is at (5,  12) and it has a radius of 16. What is the equation of the circle?
 updated 2 months ago
 62 replies
 3 Medals
Mathematics

eighthourlunch:
Group Title
Having a little trouble on a calc II problem. I'm trying to find the inverse of a function like this: f(x)=(2x^2+5x)^(1/2). I started out by…
 updated 2 months ago
 20 replies
 2 Medals
Mathematics

greeneyes<3:
Group Title
Please help me understand this trig!
2sin^2(x) + 3sin(x) + 1 = 0
For some reason my teacher decided not to teach this lesson and I am comp…
 updated 2 months ago
 12 replies
 2 Medals
Mathematics

dgtheflyg:
Group Title
How many times does the graph of the function below intersect or touch the xaxis? y = 2x^2 + 3x + 5
 updated 2 months ago
 7 replies
 1 Medal
Mathematics

sierraleone17:
Group Title
Which lists the even numbers between 1 and 19 in set notation?
…
 updated 2 months ago
 2 replies
 1 Medal
Mathematics

number1student:
Group Title
What is the median of the following set of numbers?
80, 64, 93, 54, 35, 27, 74, 46
…
 updated 2 months ago
 12 replies
 1 Medal
Mathematics

appleduardo:
Group Title
whats the derivative of x on the following function:
xyz(1x)(2y)(3z)
 updated 2 months ago
 16 replies
 No Medals Yet
Mathematics

chantell527:
Group Title
sin(pi/2)=cosx
 updated 2 months ago
 3 replies
 No Medals Yet
Mathematics

ranga:
Group Title
a^3  3a^2 + 5a = 1
b^3  3b^2 + 5b = 5
a + b = ?
 updated 2 months ago
 54 replies
 7 Medals
Mathematics

ranga:
Group Title
Integration of trig function with a large even exponent. Problem in comment:
 updated 2 months ago
 54 replies
 1 Medal
Mathematics

goformit100:
Group Title
Find out the smallest four digit number which is divisible by 18, 24 and 32.
 updated 2 months ago
 11 replies
 2 Medals
Mathematics
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