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Question #5e5f5

Question #7e09b

How do you use DeMoivre's Theorem to simplify #(2(cos(pi/2)+isin(pi/2)))^8#?

If #sintheta=sqrt403/22# and #pi/2<theta<pi#, how do you find #tan2theta#?

How do you solve #2sin^2theta=1#?

How do you solve #5sinx+2=sinx# for #0<=x<=2pi#?

How do you solve #\frac { w } { 3} + \frac { 2} { 5} = \frac { 1} { 15}#?

How do you solve #8( x + 3)  16> 5x + 8+ 3x#?

How do you solve the system of equations #2x+8y=6# and #5x20y=15#?

What is the next four terms in the arithmetic sequence: 12, 16, 20,...?

How do you differentiate #f(x)=(ax+b)/(cx+d)#?

How do you find the exact value of #tanx3cotx=0# in the interval #0<=x<360^@#?

What are the mean and standard deviation of the probability density function given by #(p(x))/k=(11/(1x))# for # x in [2,10]#, in terms of k, with k being a constant such that the cumulative density across the range of x is equal to 1?

What is the standard deviation for {1,3,4,6,8}?

If the mean of numbers 28, x, 42, 78 and 104 is 62, what is the mean of 48, 62, 98, 124 and x?

How do you find vertical, horizontal and oblique asymptotes for #f(x)=(3x^2 + 2x  3 )/( x  1)#?

If #f(x) = 9x4# and #g(x) = 7x9#, what ix #(fg)(x)#?

How do you factor #2a^2+3a+1#?

How do you rationalize the denominator and simplify #1/(sqrt53)#?

How do you factor #6x^2+6x^3 #?

What are the variance and standard deviation of a binomial distribution with #N=124# and #p=0.85#?

Question #16ef7

A triangle has sides A, B, and C. The angle between sides A and B is #(5pi)/12# and the angle between sides B and C is #pi/6#. If side B has a length of 2, what is the area of the triangle?

How do you solve #Sin^(2)[theta]=cos^(2)[theta]+1#?

How do you solve #2cos^3x + cos^2x = 0# in the interval [0, 2pi]?

How do you use the rational roots theorem to find all possible zeros of # P(x) = 2x^5 + 3x^4 + 2x^2  2#?

Let the random variables X and Y have the joint pmf #f(x,y)=(x+y)/32#, #x=1,2#, and #y=1,2,3,4#. What are the means #mu_x# and #mu_y#, the variances #sigma ""_x^2# and #sigma "" _y^2#, and the correlation coefficient #rho#?

How do you determine if #xy=1# is an even or odd function?

What are the mean and standard deviation of a binomial probability distribution with #n=17 # and #p=18/32 #?

Question #d548a

Jonathan's math test scores were 87, 93, 85, 62, and 95. What was his mean score?

How do you find the limit of #(1/(ln x)  1/(x1))# as x approaches 1?

How do use the first derivative test to determine the local extrema #f(x) = x³+3x²9x+15#?

How do you find the extrema for #f(x) = x^2 +2x  4# for [1,1]?

How do you find the other five trigonometric functions of x if #cosx = 3/5#?

How do you convert 314159 into scientific form?

How do you find the value for #tan^1[tan(5pi/7)]#?

In triangle ABC, A=31.4, B=53.7, <C=61.3°, how do you find the area?

How do you determine where the graph of the given function is increasing, decreasing, concave up, and concave down for #h(x) = (x^2) / (x^2+1)#?

What is the derivative of #(pi)/(x)#?

How do you find the derivative of #x^2+1#?

How do you find the derivative of #x^(1/2)#?

How do you find the derivative of #f(x) = x^2(x2)^4#?

What is the sum of the infinite geometric series with #a_1=42# and #r=6/5#?

How do you use the law of sines to solve the triangle given A = 165.1°, B = 81.9°, b = 18.6?

How do you factor #n^29n+20#?

How do you simplify #i^33#?

How do you find the critical points for #y = 2x^3 + 3x^2  12x + 4#?

How do you find the intervals of increasing, decreasing and concavity for # f(x) = 2x^3 + 3x^2  432x #?

How do you solve #Arctan(x) = pi/4#?

How do you find the solution to the quadratic equation # x^2  5x  8 = 0#?

How do I find the sum of the infinite geometric series such that #a_1=5# and #r=1/6#?

What is the sum of the infinite geometric series 1 + #1/5# + #1/25# +... ?

How do you factor #4a^228a+48#?

How do you solve #5^(x+2) = 4^(1x)#?

How do you find all the asymptotes for #(2x^3+11x^2+5x1)/(x^2+6x+5 )#?

How do I find the range of the function #y=2^x+2#?

How do you find the domain of #f(x)=(log[x4])/(log[3])#?

How do I find the partialfraction decomposition of #(s+3)/((s+5)(s^2+4s+5))#?