fast math help please!!!!
20. Communications The cross section of a television antenna dish is a parabola. The receiver is located at the focus, 5 feet above the vertex. a. Find an equation for the cross section of the... more
Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C.A
Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C.A single thermometer is randomly selected and tested.... more
a person is going along east with velocity v he observed rain to be striking 30 degrees with vertical once his velocity is 3v he observes rain to be striking 30 degrees with vertical. Find velocity... more
finding angular velocity and regular velocity when bouncing off a surface with friction?
Take the game of pong as a simple example. When you hit the ball with a paddle that has a frictional surface, the ball will spin as well as change direction according to the coefficient of kinetic... more
Word problem for my Algebra 1 class!!
Flying against the wind, an airplane travels 5340 km in 6 hours. Flying with the wind, the same plane travels 11,250 km in 9 hours. What is the rate of the plane in still air AND what is the rate... more
expand f(x)=x, 0<x<2 in a half range sine series
how to locate K in graph in the given problem,If the point (2K-3, K+2) lies on the graph of the equation 2x+3y+15=0, find the value of k.?
which funtion represents the number of seconds, s, in d days? (hint: The number of seconds in a day is 24 x 60 x 60 = 86,400.) The function that represents the number of seconds, s, in d days is f(d)
Integral, Riemann sum
Consider the function f(x)= -x^2/4 - 7integral (a=0,b=3)Calculate Riemann Sum Right-hand endpoints for on the interval [0,3] and write your answer as a function of without any summation signs.
Measurement Units and Ratio Conversions
One mile is equal to 5,280 feet. What is the sum of the lengths of all 18 holes on the golf course in miles?
Find the coeffiencient of x^2 in the expansion of (3x-1/x)^6
How should you round with multiple nines after the decimal?
I have the number 382.36840999. I want to round this number to the 6th decimal place. Would this be 382.368409 or 382.368410? Why?
Story problem in algebra
The length of a toy box is two feet more than the width, and the height is 1 foot less than the width. If the volume of the toy box is 8 cubic feet, what are it’s dimensions?
Factor out the coefficent of the variable?
How do I factor out the coefficient of the variable 1/5k+15
Find the point on the line -6 x + 5 y - 6 =0 which is closest to the point ( 4, 5 ).
please help answer asap
If f is continuous and ∫0 to 8 f(x)dx=10, evaluate the definite integral. ∫ 0 to 2 f(4x)dx?
If f is continuous and ∫0 to 8 f(x)dx=10, evaluate the definite integral. ∫ 0 to 2 f(4x)dx? please help
help please show me how to slove
The names of 11 fifth-graders, including the top math and the top spelling student in the fifth-grade class, are placed in a hat and randomly selected to sit on the stage with the governor for his... more
72% of students in a school participate in the food drive. If 198 students participated how many students are in the school? Give me 3 ways how to do it.
Give me 3 ways how to do it.
A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in contact with a ball, initially at rest, for about 0.0029 s. If the ball has a mass of 55 g and... more
You roll two six-sided number cubes. What is the likelihood that they would land on an even number and a 5?
Help with question: You roll two six-sided number cubes. What is the likelihood that they would land on an even number and a 5?