Answers edited by F. Javier B.

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How do you simplify $i^{6} (2 i - i^{2} - 3 i^{3})$ $i^6(2i-i^2-3i^3)$ ?
How to use geometry progession in this situation ?
How do you prove this? 7) For sets A,B,C prove (A - B) ∪ (C - B) = (A ∪ C) - B by showing Left side ⊆ Right side and Right side ⊆ Left side.
What is the answer to this problem with explanation?
How do you simplify $i^{6} (2 i - i^{2} - 3 i^{3})$ $i^6(2i-i^2-3i^3)$ ?
Circle A has a radius of $2$ $2$ and a center of $(3, 1)$ $(3 ,1 )$ . Circle B has a radius of $6$ $6$ and a center of $(8, 5)$ $(8 ,5 )$ . If circle B is translated by $< - 4, - 1 >$ $<-4 ,-1 >$ , does it overlap circle A? If not, what is the minimum distance between points on both circles?
Integrate cos^4x?
How do you find the domain, x intercept and vertical asymptotes of $y = {log}_{10} (\frac{x}{5})$ $y=log_10(x/5)$ ?
How can I solve the following limit?, I'm trying to solve with Riemann Integral, but I can't get it.
How do you graph the system of linear inequalities $3 y - x < 15$ $3y - x < 15$ and $y + 2 x \geq - 1$ $y + 2x \geq - 1$ ?
The height of a triangle is 5 units more than twice it's base. If the area of a triangles is 21 square units, what is its height?
What is $c$ $c$ in this equation $5 c - c + 10 = 34$ $5c-c+10=34$ ??
Find the value of k if f(x) has three distinct real roots ?
Sinx. Cosx=1/2?
What is the volume of the solid produced by revolving $f (x) = x^{3}, x \in [0, 3]$ $f(x)=x^3, x in [0,3]$ around $y = - 1$ $y=-1$ ?
Convert 0.0075km squared to m squared?
$A \times B^{x} = \frac{C}{D^{x}} - 2$ $A × B^x = C/D^x-2$ solve for x in log form ?
When do you have "no solution" when solving quadratic equations using the quadratic formula?
How do you solve $1 + cos x - 2 {sin}^{2} x = 0$ $1+cosx-2sin^2x=0$ and find all solutions in the interval $0 \leq x < 360$ $0<=x<360$ ?
Find derivatives of the given functions : x= ln (1+t^2) y= t- arctgt ?
If $\to u = (3, - 1)$ $vecu=(3,-1)$ and $\to v = (- 6, 4)$ $vecv=(-6,4)$ , then how do you find the angle between $u$ $u$ and $v$ $v$ vectors?
How do you solve $55 > 7 - 8 x$ $55> 7- 8x$ ?
Identify and explain any restrictions on the variable x in the expression $\sqrt{4 x - 2}$ $sqrt(4x-2)$ ?
Vector question?
How do you solve $| 4 x + 2 | < 6$ $abs(4x+2)<6$ ?
Question #54180
How to do the following question?
Can someone help with this?
What are all the zeroes of the function $f (x) = x^{2} - 169$ $f(x) = x^2-169$ ?
What are the explicit equation and domain for an arithmetic sequence with a first term of 5 and a second term of 3?
How do you solve $\frac{9!}{6! 3!}$ $(9!)/(6!3!)$ ?
Integral from 0 to ln 3 of $\frac{e^{3 x}}{e^{6 x} + 5}$ $e^(3x)/(e^(6x)+5)$ . Help please?
A circle's center is at $(9, 1)$ $(9 ,1 )$ and it passes through $(5, 4)$ $(5 ,4 )$ . What is the length of an arc covering $\frac{π}{3}$ $(pi ) /3$ radians on the circle?
How do you integrate $\int x^{3} \sqrt{- x^{2} + 8 x - 16} d x$ $int x^3 sqrt(-x^2 + 8x-16)dx$ using trigonometric substitution?
The length of the side of a cube is doubled. What is the new volume?
Write down an equation of the plane which passes through the point (−3,5,−1) that is perpendicular to the vector [−1,3,−9]. Leave your answer in the form A x + B y + C z = D, where A, B, C are integers?
Help please?
1. Algebra: Consider the arithmetic sequence 87, 83, 79, 75, . . .. (You may assume that the pattern displayed continues for the whole sequence.)?
Ratio of the volume of cylinder A to the volume of cylinder B?
V=5i-4j What is the angle of the vector?
How to find the minimum from this equation?
Which equation should be used to graph y=sec^-1(x) on a calculator?
What is an example of an arithmetic sequence?
How do you find an expression for $sin (x)$ $sin(x)$ in terms of $e^{i x}$ $e^(ix)$ and $e^{i x}$ $e^(ix)$ ?
$\sqrt[6]{- 64} = ?$ $root(6)(-64)=?$ Please,give all the possible answers.
What is the domain and range of $f (x) = \sqrt{4 - x}$ $f(x)=sqrt(4-x)$ ?
How do you solve $log (x - 3) + log x = 1$ $log(x-3)+log x=1$ ?
Solve the equation $i x^{3} + 1 - i \sqrt{3} = 0$ $ix^3 + 1 - isqrt3 = 0$ . Express your answer in trigonometric form?
A wire is attached to the top of a flag pole. The wire meets the ground 4 meters from the flag pole. The wire makes a 45° angle with the flag pole. How tall is the flag pole?
If the following equation has no real roots, what are the possible values of p for $x^{2} + (3 p + 1) x - p = 0$ $x^2 + (3p+1)x - p = 0$ ?