Answers edited by Anjali G

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