Answers edited by Anjali G

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• Why is cos(0) = 1?
  
• Question #acec1
  
• Question #5ce0c
  
• How do you solve #25^ { x ^ { 2} - x } = 1#?
  
• What is the arclength of the polar curve #f(theta) = 4sin(2theta)-2sec^2theta # over #theta in [0,pi/8] #?
  
• How do you factor x^3+27?
  
• How do you differentiate #g(x)=(1+4x)^5(3+x-x^2)^8#?
  
• What is the value of the expression #2x^3+3y^2-17# when #x=3# and #y=4#?
  
• How do you solve #tantheta = sqrt(2)sintheta#?
  
• How do you integrate #int 1/ [ (x-1)(x+2)(x-3)] dx# using partial fractions?
  
• How do you solve #30^ { 2} + x ^ { 2} = 36^ { 2}#?
  
• How do you determine dy/dx if #y=x+tan(xy)#?
  
• What is the probability of rolling a five on one die three times in a row?
  
• A farmer has a rectangular property that needs to be fenced on three sides (a river surrounds the fourth. If he has 2400 feet of fencing material available, what maximum area will he be able to enclose?
  
• Determine the quadrant of the angle’s terminal line lies Sin x = -0.45 & cos x < 0 ?
  
• Find derivative of #cscx# using first principal or definition of derivative?
  
• How do you solve # (x-7)^(2/3)=4#?
  
• Question #35a5b
  
• How many valence electrons does helium have?
  
• How to simplify sin x cot x?
  
• What is the name of the isotope with 88 protons and 140 neutrons?
  
• How do you find the product #[(t^2+3t-8)-(t^2-2t+6)](t-4)#?
  
• How do you differentiate #f(t)= sqrt(t) / (-4t-6)# using the quotient rule?
  
• Question #fff79
  
• How do I solve this exponential equation problem?
  
• Question #297ca
  
• How do you evaluate #lim_(x-> 0) tanx/x#?
  
• Question #caaa0
  
• Question #ae4f3
  
• What is the Maclaurin series for? : #sqrt(1-x)#
  
• Question #0a736
  
• Clinical trial tests a method designed to increase the probability of conceiving a girl. In the study, 340 babies were born, and 289 of them were girls. Use the sample data to construct a 99​% confidence interval estimate of the percentage of girls born?
  
• Question #bbd01
  
• How to determine the convergence of #Sigma_(n=2)^∞ lnn/sqrtn#?
  
• How do you calculate the additive inverse of a binary number?
  
• How to find the limit for #lim x -> 0 ( 1/(xsqrtx) * int_0^sqrtx cos(pi/2*e^(t^2))dt)# with l'Hospital?
  
• The plans for a shed call for a rectangular floor with a perimeter of 344 ft. The length is three times the width. What is the length and width?
  
• What is pi (sic)?
  
• How do you differentiate #f(x)=x^2(x+7)^3# using the product rule?
  
• Question #c3fab
  
• What is the derivative of # y = (cosx-sinx)/(cosx+sinx)#?
  
• What is the vertex of # y= -3x^2 - 2x - (x+2)^2 #?
  
• How do you solve #5sinx=3#?
  
• Find the limit ?
  
• What is the area of the figure?
  
• Question #75094
  
• How do you find the derivative of #lnsin^-1(x)#?
  
• How do you evaluate the integral #int e^t/(e^t+1)dt#?
  
• How do you evaluate #93\times 58#?
  
• How do you factor the expression #x^2 - 7x + 10#?
  
• Ques 13 could you please help?
  
• Question #92b0c
  
• Question #18c98
  
• What is the derivative of # (tan(8x))^2#?
  
• Are population means score in statistics different between 2006 and 2016 students? ( Help ) (Stats)
  
• How do you evaluate #arctan(-1)# without a calculator?
  
• How do you simplify #\root [ 3] { 32x ^ { 12} y z ^ { 6} }#?
  
• What is the improper integrals 1/(x^2-16) dx from 0 to 4 ? .
  
• Question #cb56b
  
• How do you evaluate the definite integral #int2xdx# from #[0,1]#?
  
• How do you solve #\frac{4}{y}=\frac{16}{36}#?
  
• How do you solve the quadratic using the quadratic formula given #x^2-3x+10=0#?
  
• How do you simplify #(\frac { 2n ^ { 2} } { - 4m ^ { 4} } ) ^ { 2}#?
  
• How do solve #(x^2+5x)/(x-3)>=0# and write the answer as a inequality and interval notation?
  
• What are the absolute extrema of # f(x)= 2 + x^2 in [-2, 3]#?
  
• How do you simplify #\frac { x ^ { 2} + x - 12} { x y ^ { 2} } \cdot \frac { x ^ { 7} y } { x ^ { 2} + 7x + 12}#?
  
• Question #0c93b
  
• For the experiment of tossing a six sided die twice, what is the probability that the sum is 4?
  
• Find the exact length of the curve?
  
• Is there a certain formula for derivatives?
  
• How does the type of wire affect resistance in a wire?
  
• What is the perimeter and area of the polygon with the given vertices: W(5,-1), X(5, 6), Y(2,-1), Z(2, 6)?
  
• Use the graph to determine each local extrema? (See Image)
  
• What is the the electron configuration of #Cu^(2+)#?
  
• The answer ,please?
  
• How do you differentiate #y=sqrtx+1+1/sqrtx#?
  
• How do you simplify #0+ -5 -3#?