1,067 Answered Questions for the topic Math Question

Math Question Math Math10 3

05/11/16

what is the circumference of a wheel 30 cm in radius?
Round answer to the nearest tenth of a centimetre 
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Math Question Math Math10 3

05/11/16

bill wants to make a wheel 1 m in circumference what should the radius of the wheel be?
Round answer to the nearest tenth of a centimetre 
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Math Question Math Math10 3

05/11/16

what is the diameter of a wheel that travels 4 ft when it rotates once
Round answer to the nearest inch     
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05/10/16

Find its displacement?
A 64 lb object stretches a spring 4 ft in equilibrium. It is attached to a dashpot with damping constant c=8 lb-sec/ft. The object is initially displaced 18 inches above equilibrium and given a... more
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05/10/16

What is the logistic equation satisfied by the population, p?
The population of a certain planet is believed to be growing according to the logistic equation. The maximum population the planet can hold is 1010. In year zero the population is 50% of this... more
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05/09/16

How long does it take for a falling person to reach the 90 percent of this terminal velocity?
The terminal velocity of a person falling through air is about 400Km/hr. The acceleration due to gravity is 10ms−2. Use this information to find out what C is in the equation v′=C(g/C−v), where g... more
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05/09/16

For what value of t is x(t)=40?
Solve the equation x′=3(100−x) with the initial condition x(0)=80.    For what value of t is x(t)=40?   (university level math)
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Math Question

05/09/16

a building foundation has a length of 82 feet and a perimeter of 240 feet. what is the width
stuck on this question
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Math Question Algebra 2 Math Problem

05/09/16

find sin(theta)
given cos(theta)=3/5 in quadrant IV, find sin(theta)
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05/08/16

Three teachers have provided you with an equation that models their salaries in million of dollars each year.
Teacher A: A(x) = 4x + 50Teacher B: B(x) = 2x2 + 31Teacher C: W(x) = 2x - 5During which years does Teacher A make the most money? Between years Blank and Blank
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05/08/16

Write a quadratic equation in vertex form that has a vertex of (-4, 9)
I'd appreciate it if you could show step by step i'm not very good at this and would like to know how to do it.
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Math Question Math Physics School

05/08/16

Mathmatical physics Question
When a ball is thrown through the air, or a person skydives from a plane, quadratic functions (and parabolas) describe their motions. Gravity causes items to fall at an acceleration rate of 32 feet... more
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05/07/16

I need help please
Two angles are complementary. Twice one angle plus the other is 148°. Find the measure of each angle. 
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Math Question

05/06/16

Rebecca lost 18 pounds, which is 12% of her body weight. how much did she weigh before?
try to find out her total body weight from before 
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Math Question

05/05/16

What is the difference between a negative number and a number with a negative exponent?
 Explain In CDC format 
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05/05/16

Help please
Ellen wishes to mix candy worth $1.01 per pound with candy worth $2.62 per pound to form 30 pounds of a mixture worth $1.98 per pound. How many pounds of the more expensive candy should she use?... more
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05/03/16

Help with Algebra
I have to express each equation in slope-intercept form. Without graphing the equation, state whether the system of equations has exactly one solution, no solution, or an infinitive number of... more
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05/02/16

Find its displacement?
A weight stretches a spring 1.5 inches in equilibrium. The weight is initially displaced 8 inches above equilibrium and given a downward velocity of 4 ft/s. Find its displacement for... more
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Math Question

05/02/16

if a customer receives a 15% discount on a $200.00 item what would be the final cost
15% of $200.00 what is my total cost
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04/30/16

Find its displacement?
An object stretches a spring 5 cm in equilibrium. It is initially displaced 10 cm above equilibrium and given an upward velocity of 0.25 m/s. Find its displacement for t>0. Find the frequency,... more
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04/27/16

How much does the temperature change by?
A mass of gas at pressure P and temperature T (degrees Kelvin) and volume V satisfies the equation T = KPV where K is a constant. The initial temperature is 250 degrees Kelvin, the inital volume is... more
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Math Question

04/27/16

You are charged 13.21 including tax for a meal, assume the 7% sales tax, how much was the menu price for the item
 Math080/123 question of the day
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04/25/16

Find its displacement?
A spring with natural length 0.5 m has length 50.5 cm with a mass of 2 gm suspended from it. The mass is initially displaced 1.5 cm below equilibrium and released with zero velocity. Find its... more
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Math Question Math Probability Math Problem

04/25/16

The question is in the description.
Given a grid with 15 sections, determine how many sections in the grid need to be shaded so the probability of a point chosen at random in the shaded area is exactly 0.8. Explain your reasoning.
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Math Question

04/24/16

what is the equation of a line passing through (-4,-4) and (-8,-3)
Using standard form Ax+By=C
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