03/29/13
The perimeter of a rectangle is 38 ft. The length is 5 ft. longer than the width.
Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.
Answer the first equation 2x+2y=?
Answer the second equation...
more
03/29/13
A tugboat goes 120 miles upstream in 20 hours. The return trip downtown takes 5 hours.
Find the speed of the tugboat without a current and the speed of the current.
The speed of the tugboat is ?(mph)
And the speed of the current is what? (mph)
(Simplify your answers)
03/29/13
The combined land area of the countries A and B is 119,973 square kilometers.
Country A is larger by 473 square kilometers.
Determine the land area of each country.
The land area of country A is ? (square kilometers)
The land area of country B is ? (square...
more
03/29/13
Traffic signs are regulated by the Manual on Uniform Traffic Control Devices (MUTCD).
The perimeter of a rectangular traffic sign is 72 inches. Also, its length is 12 inches longer than its width.
Find the dimensions of this sign.
The width of the sign is ? (inches)
The length of...
more
03/29/13
Use the method of substitution to solve the system of linear equations.
3x+5y=3/4
y=4x-1
What's the solution? (Type an ordered pair, using integers or fractions)
03/29/13
The sum of two numbers 23, and their difference is 5.
Write a system of linear equations and the resulting system. Let x be the larger number and y be the smaller number.
x+y=
03/29/13
Complete the table for each solution. Than identify the solution to both equations.
x 0 1 2 3
y=x+2 ? ? ? ?
y=6-x ? ? ? ?
03/28/13
A travel agency is offering two Orlando trip plans that include accommodations and pairs of tickets to theme parks.
Use the table below to answer the following questions.
Trip
Number of Nights
Pairs of theme park tickets
Cost
A
3
2
$415
B
5
4
$725
1) Write an equation about trip A where x represents...
more
03/28/13
Provide an example of a human behavior that is considered deviant in one society, but is not considered deviant in others
What are the factors that have contributed to this society's perspective of thedeviant behavior? Why does this society consider the behavior to be deviant butother societies do not?
03/27/13
How is the intersection of - graphs method- used to find a solution to two equations?
How do we express the solution to a system of equations in two variables?
03/27/13
What is the difference between an equation and systems of equations?
Do all systems have solutions? Explain or provide an example.
03/27/13
after college Julia is offered two different jobs. The table below summarizes the pay offered with each job. Write the correct answer.
Job Yearly Salary Yearly Increase
A $20,000 $2500
B $25,000 $2000
1) Write an equationthat shows the pay y of Job A after xyears.
2)Write an equation that...
more
03/24/13
Write the function as a set of ordered pairs
Give the domain and range of f
f(a)=r, f(b)=p, f(c)=t, f(d)=r
What does f equal (type ordered pairs) ?
What's the domain and range (use commas to separate answers as needed)
03/24/13
A certain mountain has an elevation of 19,570 feet.
In 1904, the glacier on this peak covered 10 acres. By 2000 this glacier had melted to only 1 acre.
(a) Assume that this glacier melted at a constant rate each year find this yearly/acres rate?...
more
03/24/13
A certain region is losing about 15 million acres of rain forest each year
(a) Find a linear function f that calculates the change in acres of rain forest in millions in x years. Type an expression using x as the variable f(x)=
(b) Find f(8) and interpret the result (...
more
03/24/13
Find the slope-intercept form for the line satisfying the the following conditions.
x-intercept 2, y-intercept 3/5
03/24/13
A barrel contains 164 gallons of paint and is being drained at a constant rate of 13 gallons per minute.
Write an equation that models the number of gallons, g, after t minutes
03/24/13
The costs of driving a car includes voth fixed costs and mileage costs.
Assume that it costs $166.50 per month for insurance and car payments and $0.23 per mile for gasoline, oil, and routine maintenance.
(a) Find values for m and b so that y=mx+b models the monthly...
more
03/21/13
Write the function as a set of ordered pairs. Give the domain and range of f
f(1)=9,f(2)=-4, f(3)=5
f={ }
(Use ordered pairs. and use a comma to separate answers as needed.)
What's the domain
03/10/13
Solve the linear inequality
6-7/9x>8
Type an inequality use integers or fractions for any numbers in the expression
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.