Answers created by Anjali G

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• What is the equation of the parabola that has a vertex at # (5, 2) # and passes through point # (6,9) #?
  
• How to integrate #int 2^lnx/xdx# ?
  
• How do you solve the system of equations #-8x - 2y = - 1# and #3x - 12y = 4#?
  
• What is the the vertex of #x = (y +2)^2 - 5y-2 #?
  
• How to het f'(x) using the quotient rule on this function: 2x-3 divided by x^2.5?
  
• Boris is sitting in a movie theatre, 11 meters from the screen. The angle of elevation from his line of sight to the top of the screen is 13degrees, and the angle of depression from his line of sight to the bottom of the screen is 49degrees?
  
• You are loading 6 concrete blocks onto a wagon, one at a time. The linear function y=30x+25 represents the total weight y (in pounds) of the wagon and its contents after you have loaded x blocks?
  
• What is the derivative of #ln ((x^2 +1) /(2x))#?
  
• What are the critical points of #f(t) = e^tsqrt(2-t+t^2)#?
  
• How do you rationalize the denominator and simplify #1/sqrt2#?
  
• How do you round 241.3 to 1 decimal place?
  
• I don’t understand how do you find the area of the projection on the xy -plane of the parallelogram determined by the points P(0,0,3) ,Q(2,-1,2),R(3,2,1),and S(1,3,2)?.
  
• How do you differentiate #f(x) = 1/sqrt(arctan(e^(x-1)) # using the chain rule?
  
• How do I use a sign chart to solve #x^2+5x-9<0#?
  
• The slope, in a regression equation, indicates what?
  
• How do you turn degree 35.78° into radians?
  
• 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?
  
• What value of #x# in the interval #0°<=x<=180°# satisfies the equation #sqrt3 tanx+1=0#?
  
• How do you factor #(x + y)^3 + (x - y)^3#?
  
• How do you differentiate #f(x)=(4e^x+1)(x^2-3)# using the product rule?
  
• What is the area of a sector with a central angle of 5π6 radians and a radius of 5.6 ft? Use 3.14 for π and round your final answer to the nearest hundredth. Enter your answer as a decimal in the box. ft²
  
• The dept sensor on a boat showsthat the boat is 57 feet above the seafloor.The rope that holds the anchor is 80 feet long. Approximate the angle of depression from the boat to the anchor on the seafloor to the nearest tenth of a degree?
  
• Are population means score in statistics different between 2006 and 2016 students? ( Help ) (Stats)
  
• The standard deviation of 1,2,3,....25 is?
  
• How do you differentiate #f(x)=(x^2+x)(x-1)# using the product rule?
  
• How do you simplify #(c-6)/(3c^2-17c-6)#?
  
• How to verify the identity cos(x) + (sin^2 x )/(1+cosx) = 1?
  
• How do you simplify #7/sqrt5#?
  
• How do you evaluate #sec^2(18) - tan^2(18)#?
  
• He following table shows the probability distribution for a discrete random variable. What is the variance of X?
  
• How do I solve this exponential equation problem?
  
• What is the domain and range of #y= -1/2 x ^2#?
  
• How do you solve??
  
• How much work does it take to raise a #6 kg # weight #7 m #?
  
• How do you factor the expression #x^2 - 7x + 10#?
  
• Need help ?
  
• An object 20cm high is placed 45cm from the lens of focal length 15cm? calculate the image distance and the size of the image and the nature of the image? If a concvex lens and a concave lens is used.
  
• How much heat, in joules and in calories, must be added to a 75.0-g iron block with a specific heat of 0.449 J/g °C to increase its temperature from 25 °C to its melting temperature of 1535 °C?
  
• Please solve q 23?
  
• What is the limit as x approaches infinity of #6cos(x)#?
  
• How do you find the critical points of #y=x-2sinx# on the interval #[0, pi/2]#?
  
• Find derivative of #cscx# using first principal or definition of derivative?
  
• Yesterday, 10 employees in an office were absent. If these absentees constitute 25% of the​ employees, what is the total number of​ employees?
  
• What is the derivative of # y = (cosx-sinx)/(cosx+sinx)#?
  
• Evaluate the limit as x approaches 1 of the quotient of the square root of the quantity x squared plus 3 minus 2 and the quantity x minus 1. You must show your work to receive credit?
  
• How do you evaluate #2- 3\sin x = 0#?
  
• Ques 13 could you please help?
  
• Question #6b965
  
• Question #c35bd
  
• How to calculate the probability of a Type II error?
  
• Six sided die is rolled six times. What is the or probability that the die will show an even number exactly 2 times?
  
• What is the slope of the line normal to the tangent line of #f(x) = cot^2x+sin(x-pi/2) # at # x= (5pi)/6 #?
  
• Question #4a1e9
  
• Question #b2d07
  
• How do you find the limit of # (cos(x)/sin(x) + 1) # as x approaches 0 using l'hospital's rule?
  
• Question #22af6
  
• What is x if #x-3/x^2+14=8#?
  
• Find the exact length of the curve?
  
• Question #b712c
  
• How do you find the first 3 non-zero terms in the Taylor series of the function #cosh(x)# about the point #x=ln8# and use this series to estimate cosh(2)?
  
• 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 #7 #, #2 #, and #8 #, respectively. What is the rectangle's area?
  
• How do you integrate #intx^2e^(x^3)dx#?
  
• How many possible factors does #f(x) = 16x^2 + 24x + 9# have?
  
• Question #80447
  
• What is cos pi/3 - sin 3pi/4???
  
• How do you solve #sqrt(x^2+2)-5=0#?
  
• Question #caaf4
  
• Question #e026e
  
• Question #c2861
  
• How do you use implicit differentiation to find #(dy)/(dx)# given #3x^2y^2=4x^2-4xy#?
  
• How do you differentiate #f(x)=4x*(x-4)*tanx# using the product rule?
  
• _+_+_=30. What numbers can be used to fill the blanks? {1,3,5,7,9,11,13,15}
  
• What is the standard form of #y= -(x+5)^2(-x-1)#?
  
• What is the equation of the line normal to #f(x)=x^2 -x +2 # at #x=1#?
  
• How do you solve #\frac { 7} { 2v + 8} - 4= \frac { 3} { v + 4}#?
  
• How do you evaluate #\frac { \sqrt { - 72} - 2} { 6}#?
  
• If #u(x) = -2x^2+3 and v(x) = 1/x#, what is the range of# (u * v)(x)#?
  
• Question #297ca
  
• How do you expand #Ln[(5e4sqrtt^5)/(am)] #?
  
• What is the vertex of #y=-x^2 - 18x + 9#?
  
• What is the vertex form of #7y=(x − 3)(4x + 2) #?
  
• Question #c3fab
  
• If #y=2.52# when #x=8.4#, what is #y# when #x=2.7#?
  
• Question #4e6ee
  
• Question #e487f
  
• Question #3fbf0
  
• Question #75695
  
• Question #60b21
  
• Question #46c48
  
• Question #26f07
  
• What is the net area between #f(x) = e^(3-x)-2x+1# and the x-axis over #x in [1, 2 ]#?
  
• What is the vertex of #y= −4x^2 -7x + 1 #?
  
• How do you find the #x# coordinates of all points of inflection, find all discontinuities, and find the open intervals of concavity for #y=x^5-2x^3#?
  
• How do you find the limit #lim 10^(2t-t^2# as #t->oo#?
  
• What is #f(x) = int (x+3)^2+3x dx# if #f(5)=2 #?
  
• How do you test #\sum _ { m = 1} ^ { \infty } \frac { ( - 6) ^ { m + 1} } { 4^ { 8m } }# for convergence or divergence?
  
• Question #cb56b
  
• How can I show that #lim_(x->0)(1-cos(x^2))/(xsin(x^3))=1/2# using the Maclaurin series?
  
• Question #78bbb
  
• Find all of the points on the curve #y = x^3 +5x^2# where the tangent line is parallel to the line #y = 11x−π#.?
  
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