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Questions Answered

itsonlycdeee:
Group Title
I'm not sure if the definite integral of these two parts is 0+0=0 or 1/4 + 1/4 = 0.
Question below:
 updated 5 months ago
 28 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
Find the derivative:
x=1, f(1)=2, f'(1)=1, g(1)=2, g'(1)=3. Find h'(1):
h(x)= xf(x)…
 updated 6 months ago
 12 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
Find the derivative of: f(x)=[ x^(1/2)+1]/[x^2 + 1]
 updated 6 months ago
 16 replies
 1 Medal
Mathematics

Natasha.g.2013:
Group Title
Need help to understand how to solve equations using Complete the Square for my test tomorrow.
Ex: 4x2 – 8x – 5 = 0
**The 2 after the X is…
 updated 6 months ago
 25 replies
 1 Medal
Mathematics

janeparker:
Group Title
Find line perpendicular to 2x+3y=9 through the point (2,1)
 updated 6 months ago
 7 replies
 1 Medal
Mathematics

SkittyStryker:
Group Title
Need someone to help/confirm?
The function t(x) = 4x+3 determines how many cans of hot sauce a food truck needs to stock on board, where …
 updated 6 months ago
 5 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
Find the derivative of: f(x)=[ x^(1/2)+1]/[x^2 + 1]
 updated 6 months ago
 8 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
As concrete dries, it shrinks—the higher the water content, the greater the shrinkage. If a concrete beam has a water content of w kg/m3, th…
 updated 10 months ago
 3 replies
 2 Medals
Mathematics

tlee:
Group Title
P=2l+2w+2k for k
 updated 11 months ago
 2 replies
 No Medals Yet
Mathematics

alex_gonzalez95:
Group Title
I need help with answering the following problem: State the domain and range for the following. Find when f(x)=0.
f(x)= (x+2)/(5x10)
 updated 11 months ago
 12 replies
 No Medals Yet
Mathematics

ricky15:
Group Title
Use the Substitution Method to solve the following system of equations.
2x + y = 3
3x + 4y = 1
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

serenity3:
Group Title
simplify
 updated one year ago
 13 replies
 2 Medals
Mathematics

jesusalejandro94:
Group Title
Graph each pair of parametric equations.
x = 3 sin^3t
y = 3 cos^3t
 updated one year ago
 2 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
An 5.0pound weight is lying on a situp bench at the gym. If the bench is inclined at an angle of 15°, there are three forces acting on the …
 updated one year ago
 15 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
A traffic light weighing 17 pounds is suspended by two wires as shown in the figure below. Find the magnitude T1 of the tension in wire AC…
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

JanuaryFrost:
Group Title
Verify:
{sinX^2/2(1cosX)} + {sinX^2/2(1+cosX)} = 1
 updated one year ago
 22 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
A crew member on a fishing boat traveling due north off the coast of California observes that the bearing of Morro Rock from the boat is N 3…
 updated one year ago
 8 replies
 1 Medal
Mathematics

itsonlycdeee:
Group Title
A crew member on a fishing boat traveling due north off the coast of California observes that the bearing of Morro Rock from the boat is N 3…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The area of a triangle is 85 square inches. Find the length of the side included between A = 40° and C = 95°
 updated one year ago
 24 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The area of a triangle is 50 square centimeters. Find the length of the side included between the angles A = 30° and B = 65°.
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

knowel:
Group Title
please help!! 1 medal and fan
Which is the equation of the line that contains points (8, 10) and (–4, 2)?
…
 updated one year ago
 8 replies
 3 Medals
Mathematics

itsonlycdeee:
Group Title
The circle in the figure has a radius of r and center at C. The distance from A to B is x, the distance from A to D is y, and the length of …
 updated one year ago
 28 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
find all radian solutions in the interval 0 ≤ x < 2π for the following equation.
sec x + 2 = cot x
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
The equation below gives the height h of a passenger on a Ferris wheel at any time t during the ride to be
h = 137 − 122 cos (π/10)t
where…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

SBRIAN:
Group Title
C = 5 over 9 (F − 32)
solve F
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

itsonlycdeee:
Group Title
Find all degree solutions in the interval 0° ≤ θ < 360°. If rounding is necessary, round to the nearest tenth of a degree. Use your graphing…
 updated one year ago
 19 replies
 3 Medals
Mathematics

alexanderia.rawr:
Group Title
help
 updated one year ago
 14 replies
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
cos^2(pi/9)  sin^2(pi/9) Use identities to simplify. (Half angle and double angle)
 updated one year ago
 13 replies
 1 Medal
Mathematics

lisale09:
Group Title
What translation has taken place in the graph if f(x) = x^34 from the graph of the parent function?
 updated one year ago
 3 replies
 2 Medals
Mathematics

itsonlycdeee:
Group Title
Prove that the following identity is true.
sin^4t − cos^4t /sin^2t cos^2t = sec^2 t − csc^2 t
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics
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