Find the mean and stand deviation?
Find the mean and stand deviation?
Find the volume of the solid whose base is the region between the inverted parabola y= 4-x^2 and the x-axis, and whose vertical cross sections perpendicular to the y axis are semi circles.
Mary had some cookies. She gave 2/9 of them to Matthew and ate 1/3 of them. She had 8 cookies left. How many did she have at forst?
Solve the equation. 7x-14y+98=0 for y y=_________
Solve the inequality. 3/4x-9>9
find the slope of the tangent
A two digit number is 4/7 of the number formed by reversing its digits.When the number is increased by 2 times the sum of its digits,it becomes 54.find the number.
The line y=2x-16 is a tangent to the curve y=ax^3+bx at the point where x=2.Find the value of a and b.
The tangent to the curve y=ax^2+bx+2 at (1,0.5) is parallel to the normal to the curve y=x^2+6x+4 at (-2,-4).Find the value of a and b.
The tangent and normal to the curve y=4√(x+2) at the point P(7,12) cut the x axis at M and N respectively.Calculate the area of the triangle PMN.
Two points have coordinates A(3,1) and B(-1,5).Calculate the coordinates of P if P is on the x-axis and is equidistant from A and from B.If the figure APBQ is a rhombus,find the coordinates of Q....
It don't work
Show that the equation of the perpendicular bisector of the points (t, t+1) and (3t, t+3) is y+tx=2t^2+t+2.If this perpendicular bisector passes through the point (5,2),calculate...
It involves making our own inequalities and equations
I want to know the answer for this question Find a formula for the general term an of the sequence (starting with a1): {−425,536,−649,764,…}.
There are 50 patrons. Out of the 50, 12 like espresso,11 like lattes. And 6 like both. How many like none? I'm pretty sure the answer should be 21 but for some reason it's saying 33. HELP
For f(x) = 2e^(x-2)+1, what are the transformations from e^x. Also, what are the domain and range of f(x). Find f^-1 (x) and its domain and range.
Environmental Science question
American Government
Between 5:00PM AND 6:00PM, cars arrive at Jiffy Lube at the rate of 9 cars per hour (0.15 car per minute). The following formula from statistics can be used to determine the probability that a car...