Answers created by Lotusbluete

Back to user's profile
Next
What is $(2-(1*6) - (9-5))) -: 4$ ?
What are all the factors of 360?
How do you divide $1/10 -: 6/19$ ?
How do you find the zeros of $f(x) = x^3 + 4x^2 - 25x - 100$ ?
How do you condense $6log_2 (2/3)+2log_2(1/6)-4log_2(2/9)$ ?
If $A= <6 ,9 ,-1 >$ and $B= <9 ,-1 ,8 >$ , what is $A*B -||A|| ||B||$ ?
Question #6b302
Using the integral test, how do you show whether $sum1 / (n (log n)^p )$ diverges or converges from n=3 to infinity?
How do you find the determinant of $((1, 2, 1), (-2, 0, 2), (1, 4, 3))$ ?
A right triangle has sides A, B, and C. Side A is the hypotenuse and side B is also a side of a rectangle. Sides A, C, and the side of the rectangle adjacent to side B have lengths of $10$ , $8$ , and $16$ , respectively. What is the rectangle's area?
How do you find the inverse of $A=$ $((1, 1, 1, 0), (1, 1, 0, -1), (0, 1, 0, 1), (0, 1, 1, 0))$ ?
What is the angle between $<9,7,1>$ and $<8,3,6>$ ?
How do you find the determinant of $((1, 2, 0, 0, 4), (0, 3, 0, 0, 5), (0, 1, 0, 2, 0), (3, 0, 0, 1, -1), (0, -2, -1, 0, -3))$ ?
How do you prove $(1+tan x) / (1+cot x) = 2$ ?
How do you express $4 cos^2 theta - sec^2 theta + 2 cot theta$ in terms of $sin theta$ ?
How do you simplify $csc x(sin x + cos x)$ ?
Using the limit definition for derivatives, how do you find the derivative of (a) $f(x)=x^2-6x$ ; (b) $f(x)=4sqrt(x)$ ?
How do you simplify $-1^15$ ?
How do you find the inverse of $A=$ $((3, 1, 0), (1, -1, 2), (1, 1, 1))$ ?
Using the limit definition, how do you find the derivative of $f(x)=3(x^(-2))$ ?
How do you solve $x-y+z=3$ and $2y-z=1$ and $-x+2y= -1$ using matrices?
How do you verify $sinx/cosx + cosx/sinx = 1$ ?
How do you differentiate $f(x)=x/ln(sqrt(1/x))$ using the chain rule?
How do you simplify $sqrt(7497)$ ?
How do you prove $tan^2x-1 = 1+tanx$ ?
How do you simplify $i^38$ ?
A bag contains 3 red, 5 yellow, and 7 purple marbles. What is the probability of drawing a purple marble followed by a red marble?
How do you prove $sin^(2)(x+π/4)-sin^(2)(x-π/4)=2sinx*cosx$ ?
How do you divide $(x^4 - 7x^3 + 2x^2 + 9x)/(x^3-x^2+2x+1)$ ?
How do you use the ratio test to test the convergence of the series $∑ ((4n+3)^n) / ((n+7)^(2n))$ from n=1 to infinity?
How do you simplify $i^3(2i^6-4i^21)$ ?
How do you expand $ln(x(x+11))^3$ ?
A triangle has sides A, B, and C. Sides A and B are of lengths $5$ and $7$ , respectively, and the angle between A and B is $(3pi)/4$ . What is the length of side C?
How do you solve $sin x = -cos^2x-1$ in the interval [0, 2pi]?
What is the distance between $(2 , (5 pi)/8 )$ and $(3 , (1 pi )/3 )$ ?
How do you find the determinant of $((-9, -7), (4, 5))$ ?
The square of $x$ is equal to 4 times the square of $y$ . If $x$ is 1 more than twice $y$ , what is the value of $x$ ?
How do you prove $sin(x) x tan(x) + cos(x) = sec(x)$ ?
How do you simplify $i^15$ ?
Circle A has a center at $(1 ,-2 )$ and a radius of $3$ . Circle B has a center at $(-4 ,-8 )$ and a radius of $2$ . Do the circles overlap? If not, what is the smallest distance between them?
How do you differentiate $f(x)=cos^2(1/(3x-1))$ using the chain rule?
How do you express $sin^2 theta - sec theta + csc^2 theta$ in terms of $cos theta$ ?
Circle A has a center at $(3 ,1 )$ and a radius of $6$ . Circle B has a center at $(-2 ,1 )$ and a radius of $3$ . Do the circles overlap? If not, what is the smallest distance between them?
A circle's center is at $(4 ,6 )$ and it passes through $(3 ,1 )$ . What is the length of an arc covering $(pi ) /3$ radians on the circle?
How do you find the value of $cot((3pi)/2)$ ?
How do you differentiate $log_2 (x)$ ?
How do you integrate $int (x-9)/((x+3)(x-7)(x-5))$ using partial fractions?
How do you differentiate $f(x)=xlnx$ using the product rule?
How do you solve $log_4 x^2 - log_4 (x+1) = 5$ ?
A triangle has sides A, B, and C. Sides A and B are of lengths $6$ and $1$ , respectively, and the angle between A and B is $(7pi)/8$ . What is the length of side C?
How do you simplify $sqrt3/(sqrt6 -1) - sqrt3/(sqrt6 + 1)$ ?
A parallelogram has sides A, B, C, and D. Sides A and B have a length of $7$ and sides C and D have a length of $4$ . If the angle between sides A and C is $(7 pi)/12$ , what is the area of the parallelogram?
How do you find the derivative of $sqrt(x-3)$ using the limit process?
How do you simplify $sin(x+y)+tan(x-y)*cos(x+y)$ to trigonometric functions of x and y?
How do you find the area $(x - 2 )² + (y + 4 )² = 9$ ?
What is the slope of $f(x)=-e^(x-3x^3)$ at $x=-2$ ?
How do you use the binomial formula to find expand $(2x+3)^3$ ?
A triangle has sides A, B, and C. Sides A and B have lengths of 10 and 8, respectively. The angle between A and C is $(11pi)/24$ and the angle between B and C is $(3pi)/8$ . What is the area of the triangle?
Question #b7e2c
Question #a2cb0
How do you graph $(x+2)^2 + (y+1)^2 =32$ ?
How do you solve $log_[2] (x+20) - log_[2] (x+2) = log_[2] x$ ?
Given $f(x) = (3-2x) / (2x+1)$ and $f(g(x)) = 7 - 3x$ how do you find g(x)?
What is $int x/ sqrt(x^2 - 8^2) dx$ ?
How do you simplify $sqrt(7x)(sqrt x-7sqrt 7)$ ?
What is the probability of getting a sum of either 7, 11, or 12 on a roll of two dice?
How do you use the definition of a derivative to find the derivative of $f(x) = x + sqrtx$ ?
How do you simplify $(3+i)/ (-2+i)$ ?
A 6-foot ladder touches the side of a building at a point 5 feet above the ground. At what height would a 15-foot ladder touch the building if it makes the same angle with the ground as the shorter ladder?
A parallelogram has sides 12cm and 18cm and a contained angle of 78 degrees. Find the shortest diagonal?
Five cards are dealt from a standard deck of 52 cards. How many different 5-card hands will contain exactly 3 kings and exactly 2 aces?
How do you graph $x^2-14x+y^2-14y+89=0$ ?
A parallelogram has sides A, B, C, and D. Sides A and B have a length of $5$ and sides C and D have a length of $6$ . If the angle between sides A and C is $(7 pi)/18$ , what is the area of the parallelogram?
How do you find the compositions given $f(x) = 2x + 3$ and $h(x) = 2x^2 + 2x + 1$ ?
How do you solve $(x-3)^2-18=0$ ?
How do you express $f(theta)=sin^2(theta)-3cot^2(theta)+csc^4theta$ in terms of non-exponential trigonometric functions?
How do you find the roots, real and imaginary, of $y= 2 x(x - 4) -(2x-1)^2$ using the quadratic formula?
How do you find all the real and complex roots of $x^4-5x^3+11x^2-25x+30=0$ ?
What is the equation of the normal line of $f(x)=-x^4+2x^3+2x^2-x-4$ at $x=1$ ?
How do you divide $5x^2 - 6x^3 + 1 + 7x$ by $3x - 4$ ?
If $f(x) = x^3 - 15/x$ , what is $f(-1/3)$ ?
How do you prove: $sinx/cosx + cosx/sinx = 1$ ?
How do you factor $r^4 + r^3 − 3r^2 − 5r − 2$ ?
If A = {x | x is an odd integer}. B = {x | x is an even integer}, C = {2, 3, 4, 5}, and D = {14, 15, 16, 17}, what are the elements of the set A $nn$ D?
How do you find the derivative of $cos (2x)$ ?
Question #00484
A triangle has sides A, B, and C. Sides A and B have lengths of 12 and 5, respectively. The angle between A and C is $(5pi)/24$ and the angle between B and C is $(7pi)/24$ . What is the area of the triangle?
The sum of three consecutive even integers is 228, how do you find the integers?
How do you express $f(theta)=-cos^2(theta)-7sec^2(theta)-5csc^4theta$ in terms of non-exponential trigonometric functions?
How do you evaluate $Log_10 (1/10^x)$ ?
How do you find the roots, real and imaginary, of $y=(x – 7 )^2-8x+4$ using the quadratic formula?
Given $f(x) = 2x - 5$ and $g(x) = 2x^2 + 7$ how do you find f(g(x))?
Is it possible to factor $y=x^2-7x+10$ ? If so, what are the factors?
How do you differentiate $f(x)=1/(ln(1-(e^(-cos(x^2)))))^(3/2)$ using the chain rule?
What is the equation of the line that is normal to $f(x)= cosx-sin^2x$ at $x=(4pi)/3$ ?
A triangle has sides A, B, and C. The angle between sides A and B is $(7pi)/12$ . If side C has a length of $1$ and the angle between sides B and C is $pi/12$ , what is the length of side A?
How do you find the derivative of $f(x) = cos(pi/2)x$ using the chain rule?
How do you find the inverse of $f(x) =(x + 2)^2 - 4$ ?
How do you solve $−10 + log_ 3 (n + 3) = −10$ ?
How do you rationalize the denominator of $(7-sqrt5)/(7+sqrt5)$ ?
Next