05/01/17
Scalar triple prosuct
Suppose that u•(vxw) = 3 , find u•( wxv) . Please give everyone a detailed explanation on how to solve !
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05/01/17
Use completing the square to solve the equation. x^2 -10x -4 = 0
I know how to solve using the quadratic formula but I don't know how to set it up by completing the square.
05/01/17
if cos=sin+ 1/(sqrt3) then what is cos^3-sin^3?
I used a^3-b^3=(a-b)(a^2+ab+b^2)
Answer should be a number
I finally got a^3-b^3= 1/(sqrt3)(1+ab)
Can't see what I'm doing wrong.
Please help.
04/29/17
Cos3theta=1
Find all Solutions if 0 degrees is less than or equal to Theta is less than 360 degrees.
Cos 3theta=1
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04/29/17
college algebra
find the domain of the logarithmic function
f(x)=log(x+6/x-5)
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04/29/17
Find the equation of the line passing thru the given points. Use function notation to write the equation
Find the equation of the given line passing thru the given points.(4,10) and (5,13).Use function notation to write the line
04/29/17
Find the equation of the line
find the equation of the line. Write the equation using function notation. Through (4,-3) perpendicular to 7y=x-14
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04/29/17
A circle has center (0,0). A line is tangent to the circle. The point of tangency is (4,2). What is the equation of the tangent line?
CHOICES ARE y=-2x, y=1/2x, y=2x10, y=-1/2x+4
04/25/17
Working alone, it takes DeShawn 14 minutes to sweep a porch. Mark can sweep the same porch in 10 minutes. If they worked together how long would it take them?
I dont know the equation
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04/24/17
Write the polar equation r = -16 sin θ in rectangular form
It's r = -16 sin theta in rectangular form
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04/23/17
evaluate the definite integral
Evaluate the definite integral (if it exists)
2
∫ −1x(√x-1) dx1
04/22/17
I'm not sure how to do this definite integral
If f(x) is even and ∫-6 to 6 (f(x) − 9) dx = 8, find ∫0 to 6 of f(x) dx.
I said 4 and then 13 but those were both wrong. I'm not sure how to account for the -9
04/19/17
for the function use algebra to find each of the following limits
For the functionf(x)= {x^2−4, 0≤x<3f(x)= {−1, x=3
f(x)= {3x-4, 3 less than x
use algebra to find each of the following limits:
lim f(x)=
x→3^+ lim f(x)=
x→3^- lim f(x)=
x→3 (For...
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04/17/17
7 sqrt (-63) - 4 sqrt (-28) #simplify the expressions.
7 sqrt (-63) - 4 sqrt (-28) #simplify the expressions.
04/17/17
find another representation, (r, θ) for the point under the given conditions. (5, pi/2), r<0 and 0 < θ < 2pi
solve problem and please show steps
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04/15/17
Sqrt (z + 1) + Sqrt (2z + 3) = 1 #Solve the radical equations, if possible.
Sqrt (z + 1) + sqrt (2z + 3) = 1 #Solve the radical equations, if possible.
04/15/17
If f(x)equals=sqrt3x+1and g(x)=sqrt x+28-1 find the values of x such that f(x)=g(x)
If f(x)equals=sqrt3x+1and g(x)=sqrt x+28-1 find the values of x such that f(x)=g(x
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04/12/17
there are 4 kinds in a standard deck of 52 cards.if a card is selected at random what is a probability it is not a king
i would like to know how to solve these types of problems including probability and this problem is asking for the probability of not
04/12/17
How do you simplify sin(x)tan(x)+ cos(x)?
A step-by-step guide would be very appreciated. Thank you in advance.
04/11/17
7.6% decrease this year. This year's sales are planned at $540,000.00. What were last year's sales? What is the dollar difference?
I don't know to get $584,415.58 LY sales / $44,415.58 difference
04/11/17
Use the alternate form of the derivative to the find the derivative of f(x)=x^4-3x^2+1 AT c=-2
Use the alternate form of the derivative to the find the derivative of f(x)=x^4-3x^2+1 AT c=-2
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04/10/17
Find C and a so that f(x) = Ca^x; f(-2)=12 and f(2) =3/4
Find C and a so that f(x) = Ca^x; f(-2)=12 and f(2) =3/4
04/10/17
Applied Optimization
a rectangular field with a partition is to be enclosed with a fence against an existing wall, so that no fence is needed on that side. The material for the fence cost $3/ft. for the two end sides...
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