04/20/13

Discuss the effect of a current social problem on a particular social group.
Poverty and Children in the United States. ( 1,750 to 2,450 words in length.)
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04/18/13

Use the method of substitution to solve the system of linear equations.
7a=6-b 7a=4-b Select the correct choice below and if letter a is chosen type an ordered pair. (a) There is one solution. (b) There is infinitely many solutions. (c) There are no solutions.
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04/18/13

Simplify the given expression
6+2^2=? (Simplify the given expression.)
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04/18/13

Simplify (2p)^-4=?
(2p)^-4=? (Use positive exponents only.)
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04/18/13

Solve the equation and check the solution.
-5(t-6)-(t+8)=2 The solution is t= what ? (Type an integer or simplified fraction.)
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04/18/13

Solve the linear inequality.
1-8/7x>8 The solution set is? (Type an inequality. Use integers or fractions for any numbers in the expression.) 
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04/18/13

Solve D=ABC for A
A=? Solve D=ABC for A
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04/18/13

In 1980, median family income was about $19,000, and in 2000 it was about $41,000.
(a*) Find the slope of the line passing through the points (1980,19000 and (2000,41000). M=? (b*) Interpret as a rate of change. Choose the correct answer below.     (a) The median family... more
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04/18/13

A certain region is losing about 24 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)=? (Type an expression using x as the... more
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04/17/13

When the cost of a car is multiplied by 0.08 the result is $1740.
Find the cost of the car. The answer is what in dollars? (Round to the nearest whole number as needed.)
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04/17/13

Find the value of y for the given values of x and z.
y= x+z x=2 z=13 The value is y=?
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04/17/13

Multiply and write the answer without exponents.
(2 x 10^4) x (4 x 10^5=?
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04/17/13

The perimeter of a rectangle is 36 ft. The length is 10 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. The first equation 2x+2y=? The second equation x=y+? What is the... more
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04/17/13

A family refers to a group of two or more people related by birth, marriage, or adoption who reside together.
In 2000, in Country A, the average family net worth was $380,000, and there was about 9.7 x 10^7 families. Calculate the total family net worth in Country A in 2000. Country A's total family net... more
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04/17/13

Find the area of a triangle.
With a base of 2 3/4 yards and height of 4/9 yards. The area is ? (Type a whole number or simplified fraction.)
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04/17/13

A tugboat goes 160 miles upstream in 20 hours. The return trip downtown takes 10 hours.
Find the speed of the tugboat without a current and the speed of the current. The speed of the tugboat is what in mph? And what is the speed of the current in mph? (Simplify your answer.)
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04/17/13

If the width of a rectangle is 8 inches and its perimeter is 42 inches, find the length of the rectangle.
The length of the rectangle is what in inches?
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04/17/13

A barrel contains 190 gallons of water and is being drained at a constant rate of 14 gallons per hour.
Type an equation that models the number of gallons, g, after t hours  The equation that models the given situation is ?
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04/17/13

An investor invested a total of $2,100 in two mutual funds.
One fund earned a 6% profit while the other earned a 2% profit. If the investor's total profit was $74, how much was invested in each mutual fund? The amount invested in the mutual fund that... more
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04/17/13

Use symbols to write the expression and then evaluate it.
Four squared divided by two to the fourth power. (Type exponential notation with positive exponents.)  
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04/17/13

The cost of driving a car includes both fixed costs and mileage costs.
Assume that it costs $171.90 per month for insurance and car payments and $0.27 per mile for gasoline, oil, and routine maintenance. (a) Find values for m and b so that y=mx+b models the monthly... more
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04/17/13

The number N of state and federal inmates in millions during year x,
Where x>2002 can be approximated by the following formula. N=0.05x-99.05 Determine the year in which there were 1.2 million inmates. It was in the year ?
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04/17/13

Use the method of substitution to solve the system of linear equations.
4x-y=2 9x-2y=7 The solution is what? (Type an ordered pair.) 
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04/17/13

Use the distributive property to rewrite the expression.
(a+3)5= (Simplify your answer.)
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04/17/13

Find the value of y for the given value of x.
y=x+5, x=7 y=?
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