#### 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...
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07/24/19

#### 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....
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07/12/19

#### Physics kinematics

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...
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#### 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...
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07/11/19

#### 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...
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07/08/19

#### 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.

07/08/19

#### 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?

07/04/19

#### 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?

11/08/17

#### 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?

11/05/17

#### Factor out the coefficent of the variable?

How do I factor out the coefficient of the variable 1/5k+15

11/05/17

#### 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

10/25/17

#### 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...
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10/25/17

#### 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.

10/22/17

#### physics question

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...
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03/30/16

#### 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?

03/12/16

#### College algebra

A basketball player scored 21 times during one game. She scored a total of 27 ?points, two for each? two-point shot and one for each free throw. How many? two-point shots did sheshe ?make? How many...
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