03/21/19

algebraic question
a rectangle with a width of (5x+2) feet and a length of (2x-1) feet has an area of 100 square feet. what is the rectangles width and length
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03/21/19

X^2 + 3 to see if this is either even, odd or neither
Do you add negatives to both x^2 and +3 or just to the x^2
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03/21/19

Physics space station question
A space station has a diameter of 340 meters and the occupants who are at the other rim have an acceleration of 6.2 m/s^2. What is the angular velocity of the station?
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03/20/19

Calculus (Derivatives)
11. The length L of the day in minutes (sunrise to sunset) x kilometers north of the equator on June 21 is given byL = f(x). What are the units of(a) f'(3000)? (b) f''(3000)?12. A high school... more
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03/20/19

Are the points (π/2) and (3π/2) undefined or zero on a cot function?
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03/19/19

How do I solve this problem?
Function f(x)=6000e^0.01xx=5Evaluate the function at the given value of x
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03/19/19

The number of servings, S of oatmeal varies directly as the net weight, W of the container. There are 30 servings in a 42 oz box of oatmeal. How many servings does a 60 of box of oatmeal contain?
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03/19/19

please help with polynomials
Question #1: A polynomial of degree at least 3 where all the zeros are positive whole numbers Question #2: A polynomial of degree at least 3 where one or more of the roots are fractions
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03/19/19

Which expression is equivalent to -3x - (x-1) + 3/2(3x +3)?
A. 1/2x + 11/2B. 1/2x + 7/2c. 5/2x + 11/2D. 5/2x + 7/2
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03/15/19

How to know whether Lagrange multipliers gives maximum or minimum?
My book tells me that of the solutions to the Lagrange system, the smallest is the minimum of the function given the constraint and the largest is the maximum given that one actually exists. But... more
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03/15/19

How to know whether Lagrange multipliers gives maximum or minimum?
My book tells me that of the solutions to the Lagrange system, the smallest is the minimum of the function given the constraint and the largest is the maximum given that one actually exists. But... more
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03/14/19

A laser generates a pulse at 450 nm containing 2.75 × 10^15 ​ ​​ photons. What is the energy of the pulse?
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09/29/17

Write parametric equations for the line through A and B. ​A(−1​,4​,−4​) ​B(−9​,−2​,−10​)
the answers must have the parametric form for x and for y.
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09/14/17

y varies directly with x. if x is 64 when y is 160, find y when x is 68
i need help with it because i do not understand it.
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09/14/17

one number is 9 more than twice another number. if the sum of the number is 129 find both numbers.
how do i write this in an equation
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08/15/17

What is the probability of winning a carnival prize in 30 spins if a prize is won every 7 spins?
At a carnival, Erin observed a spin-the-wheel game. She noted that in 30 spins, a prize was won 7 times. What is the probability of winning a prize?
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04/27/17

Simple Math???
If there is a rectangle, and the height is 19.2, what is the width? Let me explain the model. So, in the rectangle, there is a slant line from the top left corner down to the bottom right corner,... more
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04/27/17

I have a line of best fit problem...
Sam surveyed a total of 10 students to see how many tests and quizzes in the last month. Through her line of best fit line, she figured out that the equation of the line is y=0.36x+0.27. She added... more
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04/27/17

On a very cold morning, it was -8°F. As the day went on, the temperature rose 2 degrees each hour. Which equation shows the temperature over time?
answer this question for me please I need it really badly
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04/03/17

I am stuck on this question please help
In the waiting room of a vet's office, there are 4 cats, 5 dogs, 1 lizard, and 1 hamster.A represents the event that a randomly selected animal in this waiting room is a dog.What is the probability... more
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02/23/17

Please help me with this question! Thank you SO much!!
A rectangular solar panel has a length that is 11 inches shorter than 3 times its width. If the perimeter of the panel is 178 inches, what are the dimensions of the panel.The width of the panel is... more
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02/21/17

The graphs of the quadratic function y=x^2 and the exponential function y=2^x have many different characteristics. Identify and explain two major differences.
quadratic functions and exponential functions
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02/21/17

What is the equation I would write for this quadratic function -
Table of values:    X and Y   X: 1 Y: 3 X: 2 Y: 8 X: 3 Y: 15 X: 4 Y: 24   We know that it increments by adding 5, 7, and 9 consecutively and it goes up by 2 therefore. How do I write the... more
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01/26/17

The wall thickness of a piece of round tubing is 3/16" and the outside is 3 1/4". What is the inside diameter?
The wall thickness of a piece of round tubing is 3/16" and the outside is 3 1/4". What is the inside diameter?
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01/26/17

On a farm I saw chickens and cows ou in a field. I counted 29 heads total, and 90 feet total. How many chickens and cows were in the field?
chickens have 2 legs and cows have 4 legs=6, so there are 90 feet total. this should = 29 heads. Can you help me with this equation?  
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