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March 28, 2017

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Number of results: 1,433

Physics
If two different masses have the same kinetic energy, their momenta are: a. proportional to the squares of their masses b. proportional to their masses c. proportional to the square roots of their masses d. inversely proportional to their masses e. inversely proportional to ...
October 31, 2011 by Anonymous

math
i kinda need help with these 2 please: assume (y) varies direcly as (x) if (x)=32 when (y)=6, what is the value of k? and (y) varies directly as (x) find the constant when (x)=0.5, and (y)=0.3 and can someone also explain what they mean by find the constant and how 2 do it in ...
October 7, 2008 by allysa

physics
If two different masses have the same kinetic energy, their momenta are: 1. inversely proportional to their masses 2. inversely proportional to the square roots of their masses 3. proportional to the squares of their masses 4. proportional to their masses 5. proportional to ...
October 28, 2011 by Anonymous

precalculus
The acceleration acting on a falling object due to gravity varies inversely with the square of the object's distance from the center of Earth. At the surface of Earth, where x = 1 Earth radius, the acceleration is y = 9.8 m/s2 1. Use the multiply-multiply pattern of power ...
January 20, 2011 by Anonymous

Criminology
Why is it important to consider inversely the nexus between theory and policy? Be concise. Does anyone know where I can get information to find out why it is important to consider inversely the nexus between theory and policy? I need to be concise.
February 24, 2007 by Andy

Math WORD PROBLEM
The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 860 miles above the earth in 12 hours at a velocity ...
October 12, 2011 by Ty

Chemistry-check answers
The volume V of a gas varies inversly as pressure P is exerted. If V is 3.5 liters when P is 5 atmospheres, find V when P is 8 atmospheres. Answer: 2.188 liters 2) If y varies jointly as x and the cube of z, and y=378 when x=4 and z=3, find y when x=9 and z=2. Answer: y=252
August 23, 2008 by Lucy

Algebra II --- Variation, Progression, and theorem
1. If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144 2. Use the remainder theorem and the factor theorem to determine whether (y – 3) is a factor of (y4 + 2y2 – 4). A. The remainder is 0 and, therefore, (y...
June 22, 2007 by Tomi

Physics
How does the electrical force relate to the charge of an object? It is inversely proportional to the square of the charge. It is directly proportional to the square of the charge. It is inversely proportional to the charge. It is directly proportional to the charge.
March 9, 2017 by Anonymous

criminology
Why is it important to consider inversely the nexus between theory and policy? It is far more important to consider writing skills and clarity of communication. Can you possibly explain the meaning of consider inversely the nexus? Hmmm. "... consider inverseley the nexus...
March 23, 2007 by chris

alegebra
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...
September 13, 2010 by linda

maths
can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h, the rate at which the height is ...
February 1, 2010 by lucy

Algebra 2
Find the distance between the points (12, 8) and (4, 2). 100 units 14 units 10 units –10 units Find the midpoint of the points (3, 1) and (7, –5). (1, 6) (2, 1) (2, –3) (5, –2) Find the vertex and focus of the parabola whose equation is 4y = x2 + 4. V(0, 4), F(0, 3) V(...
June 4, 2011 by Ben

economics- opportunity cost
how does opportunity cost vary? why does opportunity cost vary? for why i put: Opportunity cost is different for every individual. It varies depending on the choice you make. i'm not sure about "how" it varies though.
September 10, 2007 by Anonymous

Math-Algebra
1. The area of a square varies directly as the square of its side. If the side is halved, what would be the effect on its area? 2. If y varies directly as the square of x, what will happen to y when x is tripled?
November 13, 2013 by McKenna Louise

Physics
I have a hard time solving this problem. The weight of an object at the surface of a planet is proportional to the planet's mass and inversely proportional to the square of the radius of the planet. Jupiter's radius is 11 times Earth's and its mass is 320 times Earth's. An ...
August 28, 2005 by Nisar

math
Studying for a final help. Many people know that the weight of an object varies on different planets,but did you know that the weight of an object on earth aalso varies according to the elevation of an object? In oparticular, the weight of an object follows this equation: w=cr...
April 9, 2009 by tera

Physics help please!!!
The angular speed of digital video discs (DVDs) varies with whether the inner or outer part of the disc is being read. (CDs function in the same way.) Over a 133 min playing time, the angular speed varies from 570 rpm to 1600 rpm. Assuming it to be constant, what is the ...
February 18, 2012 by john

algebra
If x is inversely proportional to y, and x=60 when y=0.5, find x when y =12
March 22, 2008 by michael

Algebra 2
If y is inversely proportional to x and y=12 when x=2, what is the value of x when y=3? A. 2 B. 3 C. 8 D. 12
March 28, 2011 by Lauren

algebra
If y is inversely proportional to x, and y=8 when x=2, find y when x=5
June 10, 2011 by Mindy

Math-II
If C is inversely proportional to T, when C=1/6 and T=4/7, find C when T=10.
November 21, 2012 by jezzaD.

maths
if x and y vary inversely and x=18 when y=8,find x when y=16
January 29, 2013 by tuhituhi

Alegrbra 1
x and y vary inversely, and y = 3 when x = 6. Find y when x = 9. A. 2 B. 4.5 C. 12 D. 18
November 3, 2013 by Musa

math
The variables x and y vary inversely. When y is 24, x is 8. What is y when x is 4?
May 14, 2016 by Anonymous

math
i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h, the rate at which the...
February 1, 2010 by lucy

math
i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h, the rate at which the...
February 2, 2010 by lucy

Science ( Need help really bad Please!)
An object's weight is dependent upon its location in the universe. Why is this true? A. This is true because weight is the magnitude of gravitational force acting on an object, and since gravitational force varies in different places in the universe, weight also varies. B. ...
February 13, 2014 by Julie

math please help
i posted this can you explain to me how to do this question i know i have to use differential equations but im not sure how to form an equation for inversely proportional question states grain is being poured at a steady rate to form a pile with height h, the rate at which the...
February 2, 2010 by lucy

Physics
Wave velocity is inversely proportional to what?
July 9, 2010 by Mary

math
for the function f,y=f(x) is inversely proportional to x, where x>0. If f (3)=6 what is the value of f(2)?
November 8, 2010 by Grace

Algebra
y is inversely to x. If y=300 when x=4, find y when x=150
March 27, 2015 by Antianna

Math
if e and f are inversely proportional and e=3 when f=9, then what is the value of e when f=3^-1? Please help.
July 19, 2016 by Anonymous

powerline
the resistance of the material in inversely proportional to its
July 28, 2016 by lagjhon

Math: Direct Variation
I really don't get direct variation and I took a test on it and bombed it but now I can correct it so if anyone can just explain it to me I'd be really grateful. :) Generally, direct variation means that as one of the variables assumes increasing positive values the other ...
September 21, 2006 by Somebody

INT. Algebra
suppose that W is inversely proportional to V. If W = 63 when V = 9, find W when V = 81
March 13, 2015 by Rocio

Algebra
When j = 33 m = 2 and p = 1/4 of j vaires directly with m and inversely with p what is the constant variation
November 8, 2016 by Lexxa

math
if n veries inversely as (y^2-1) and is equal to 24,when y=10. then find the value of n, when y=5
January 16, 2017 by Anonymous

algebra
9. 9/5w + 8/w ** Cannot be simplified. Am I correct?? 14. The number of instrctions N performed per second by a computer varies directly as the speed S of the computer's internal processor. A processor with a speed of 20 megahertz an perform 1,800,000 instructions per second. ...
September 26, 2013 by Help

people
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...
November 6, 2010 by Anonymous

algebra
You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies ...
November 12, 2009 by linda

Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine the vector ...
March 27, 2012 by Sheri

Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine the vector ...
March 27, 2012 by Sheri

Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine the vector ...
March 27, 2012 by Sheri

Physics
The vector position of a 3.45 g particle moving in the xy plane varies in time according to 1 = 3 + 3t + 2t2 where t is in seconds and is in centimeters. At the same time, the vector position of a 5.00 g particle varies as 2 = 3 − 2t2 − 6t. Determine the vector ...
March 27, 2012 by Sheri

Chemistry
Is rate of evaporation directly or inversely related to molecular weight
February 4, 2009 by Ketty

Math
Suppose that z is inversely proportional to y and that z=12 when y=16. Write an equation that expresses z in terms of y.
March 12, 2012 by Anastasia

Math
The resistance(r)of a wire varies directly as the length(L)of the wire and inversely as the square of the diameter(d). If the resistance is 9ohms in 50ft of wire that has a diameter of 0.05in, find the resistance in 50ft of a similar wire that has a diameter of 0.02in. ...
September 22, 2006 by Amber

electronics and circuits
A circuit that combines two or more signals is called a mixer. In this lab, your goal is to build a mixer that combines the signals generated by two voltage sources, V1 and V2, where: V1 is a 1 kHz square wave that varies between 0V and +1V, and V2 is a 5 kHz sine wave that ...
November 18, 2016 by kanimozhi

Physics
Wavw velocity is inversely proportional to what? (a) period (b) wavelength (c) amplitude (d) All of these
July 9, 2010 by Mary

science
In electromagnetic waves, frequency is inversely proportional to Fast Please. I do not understand this
December 9, 2014 by Anonymous

Algebra2
suppose c and d vary inversely and d=2 when c=17 write an equation that models that variation find d when c=68
February 19, 2017 by Steve

Economics
If demand is price elastic, total revenue is a.directly related to quantity demanded b.inversely related to quantity demanded c.directly related to price d.directly related to price and inversely related to quantity demanded e.not related to either price or to quantity demanded
January 19, 2010 by Rosa

algebra
15. To travel a fixed distance, the number of gallons needed is inversely proportional to the miles per gallon rating P of the car that gets 42 miles per gallon (mpg) needs 33 gallons to travel the distance. a. Find an equation of variation N= b. A car that gets 77 mpg needs ...
September 27, 2013 by Help Please

Physics
The vector position of a 3.00 g particle moving in the xy plane varies in time according to the following equation. r1 = <(3i+3j)t + 2jt^2> At the same time, the vector position of a 5.85 g particle varies according to the following equation. r2 = <3i - 2it^2 - 6jt>...
December 1, 2011 by LadyJ

Economics
Why are the multiplier and MPS inversely related? If net exports increase, is this a leakage or an injection?
February 7, 2009 by Michelle

math
Suppose that x and y vary inversely and that y=1/6 when x = 3. Write a function that models the inverse variation and find y when x = 10.
May 27, 2010 by Skye

Math
m is inversely proportional to n^2, where m and n are positive numbers. If m is increased by 1500% , find the percentage change in n. THANKS.
August 9, 2011 by StuartKess

MATH...PLZ HELP
The width of the Confidence Interval is inversely related to the Maximum Error of Estimate. T or F? Why or why not?
November 3, 2011 by Jen

Math-Algebra
1. The surface area of a cube varies directly as the square of its edge. Find its surface are. 2. A certain object traveling at 24 meters per second has a kinetic energy of 72 joules. If the kinetic energy of that object varies directly as the square of its velocity, find the ...
November 24, 2013 by Mckenna Louise

ALGEBRA
1. Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: , where C is a constant, and...
March 23, 2010 by GGIFT

Math-Algebra
1. The force (in Newtons) applied to an object varies jointly as its mass and acceleration. How much force is needed to accelerate a 25 kg object by 3 m/s^2? 2. The potential energy of an object varies jointly as its mass and height from the ground. If the potential energy of ...
November 13, 2013 by McKenna Louise

physics (please help)
Win 1010” AM radio broadcasts at 1010KHz. Determine the wavelength of its signal, knowing that all radio waves travel at 3.00 X 10^8 m/s. f=1010kHz v=3.00 X10^8 m/s v=F X lambda lambda= 2.9 X 10^5 For a particular type of wave in a particular medium why must f and lambda be ...
February 17, 2007 by susan

calculus
Write and then solve for y = f(x) the differential equation for the statement: "The rate of change of y with respect to x is inversely proportional to y^4."
April 29, 2015 by Anonymous

chemistry
for an ideal gas which pair of varibles are inversely proportional to each other if all factors remain constant?
November 18, 2009 by taahirah

Science
In electromagnetic waves, frequency is inversely proportional to A. Amplitude. B. Wave speed. C. Wavelength. D. ReflectioN. Is the answer C? Thank you
February 16, 2015 by Callie

Physics
The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For each equation, t is ...
February 12, 2010 by ucieng

physics
The vector position of a 3.80 g particle moving in the xy plane varies in time according to the following equation. r1=(3i+3j)t+2jt^2 At the same time, the vector position of a 5.35 g particle varies according to the following equation. r2=3i-2it^2-6jt For each equation, t is ...
February 13, 2010 by ucieng

Science
What is the relationship between the number of gas particles and pressure. Are these two variables directly proportional or do they vary inversely?
October 9, 2013 by Sarah

chemistry
why would dipole moment increase with temperature for a planar molecule? even though those are inversely related...
February 8, 2015 by paul

Math
Can anyone give me an example of a situation that is inversely proportional and one that is direct? Also tell me the difference between the two.
February 11, 2016 by Sophie D.

Chemistry
Which of the following have quantized values? The question may have more than one correct answer. 1. The pitch of a note played on a slide trombone because the pitch varies based on the position of the slide. 2. The pitch of a note played on a flute because the pitch is ...
October 22, 2011 by Anonymous

Algebra 1--Please, help me!
1. The number of calculators Mrs. Hopkins can buy for the classroom varies inversely as the cost of each calculator. She can buy 24 calculators that cost $60 each. How many calculators can she buy if they cost $80 each? A: ? 2. Jeffs builds model train layouts. He has $75 to ...
May 26, 2014 by Victoria

Math
Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on Earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr^-2 , where C is a constant...
September 17, 2010 by ASD

algebra
if y varies directly as x, and y is -60 when x is -5, find y when x is 3 The mass of an object varies directly as its volume. The mass of the object is 150 grams when its volume is 600 cm3. Find the mass of the object when the volume is 950 cm3
December 5, 2006 by Brenda

algebra
First: solve for k. Then, go back to the original equation c=k(d-3) and solve for c when d is ten. Second: Area=k*s^2 Put in the fist conditions, solve for k. Then, knowing k, solve for A when is eight. direct variation 1)if c varies directly as d-3, and if c=16 when d=7, find...
May 21, 2007 by SraJMcGinn

Algebra 2
Need help on the #13-20. 13. What is the quotient of d − 2 ) d 4 − 6d 3 + d + 17 __________________ ? A. d 3 − 4d 2 − 8d − 15 R −13 B. d 3 − 8d 2 + 16d − 31 R 79 C. d 3 − 4d 2 + 9d + 35 D. d 3 − 8d 2 + 17d − 17 ...
December 6, 2010 by Emily

math
Set up the general equation from the given statement: m is proportional to the square of n and inversely proportional to both y and x.
March 23, 2011 by cay

Algerbra
y varies directly as x, and y=20 when x=5
May 17, 2010 by Austin

Algebra
y varies directly as x, and y=20 when x=5
January 4, 2011 by Donna

Math>> Help!!
If y varies as x, and x = 9 when y = 15, find y when x = 33.
June 5, 2013 by Jnr John

math
Y varies directly as X,Y=32 when X=4
October 3, 2016 by ULOK

Physics
The vector position of a 3.40 g particle moving in the xy plane varies in time according to the following equation. At the same time, the vector position of a 5.05 g particle varies according to the following equation. For each equation, t is in s and r is in cm. Solve the ...
December 2, 2012 by carlton

Algebra
x is directly proportional to y and is inversely proportional to the cube of z.
September 5, 2011 by Rose

algebra
If y varies jointly with x and z, and y=24 when x=3 and z=2, then the value of x when y=6 and z=0.5 is 12 6 1 3 1/3
June 12, 2008 by erica

math
z varies with w and z=30 when w=0.6 what is the constant proportinal? what is z when w=10
February 22, 2010 by Anonymous

college algebra
u varies inversly as n
April 23, 2010 by BJ

ALGEBRA 2
y varies directly with x, and y = 2 when x = 5. What is the value of x when y = 15? A. x = 25 B. x = 10 C. x = 6 D. x = 37.5
July 9, 2012 by leo

algebra
y varies directly with x. When y = 20, x = 50. Find x when y = 36.
September 15, 2012 by nmdna

algebra 2
y varies directly with x. When y = 20, x = 50. Find x when y = 36.
September 19, 2012 by chris

HELP!!! Math
If y varies jointly as x and z, and y = 33 when x = 9 and z = 12, find y and x = 16 and = 22.
June 5, 2013 by Jnr John

maths
if y varies directly as x,and x=9 and when y=15'find y when x=33
June 17, 2013 by cedric

Math
W varies directly as x,y,and z. If w=36 when x=2, y=8, and z=12 find w when x=1 y= 2, and z=4
July 11, 2013 by Steve

Math
If x varies directly as y, and if x = 6 when y = 15, find y when x = 30
February 20, 2014 by Martha

Math
x varies directly as y3 . If x is 32 when y is 2, find x when y is –3
March 8, 2014 by Maria

algebra
If y varies directly to x, and y=14 when x=21, what is the value of x when y=7?
April 29, 2015 by clarissa

Algebra
If x varies directly as y and x=9 when y=2 find x when y is 6
November 24, 2015 by Matthew

Algebra II
y varies directly as x. if y=-5/8 when x=3/2, find x when y=2/5
September 15, 2016 by Nicole

Math
1. Suppose y varies directly with x. Write a direct variation equation that relates x and y. y= 7 1/2 when x=3 a. y= 3/2 x b. y= 2/3 x c. y= 5/2 x d. y= 2/5 x 2. Suppose y varies directly with x. Write a direct variation equation that relates x and y. y=10.4 when x=4 a. y= 3.4...
December 3, 2015 by Kaai97

Geometry
Assume y varies directly as x. If x = 24 when y = 24, what is the value of k?
November 22, 2009 by Letisha

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