The length of a rectangle is 3 m less than twice the width. The perimeter of the rectangle is 42 m. Find the length and width of the rectangle.
What is Length = 13 m & Width = 8 m
100
Solve: |x/5| = 2
What is {10, -10}
100
Solve for $: @ + ?$ = %$ + &
What is $ = (& - @) / (? - %)
100
Solve: (-3/4)x = 6
What is x = -8
200
Simplify: [ 5 + (-2^3)(2)] / [6 * 4 - 9 * 2]
What is (- 11/6)
200
Write the following phrase as a mathematical expression, using x as the variable.
The product of 4 and a number, divided by 9 more than the number.
What is (4x)/(x+9)
200
Solve: |-3x| = 9
What is {-3, 3}
200
State the interval for: x> = 3 and x >= 6
What is [6, infinity]
200
Solve. Is it a conditional, a contradiction or an identity?
8x - 2(2x - 3) = 3x + 7
What is x = 1 and it is a conditional
300
Simplify: -(-x + 6y) - (2x - 3y)
What is ( -x - 3y)
300
Jay invested some money at 6% and $4000 less than that amount at 4%. Find the amount invested at each rate if his total annual interest income is $840.
What is $10,000 at 6% & $6,000 at 4%
300
Solve: |3x + 1| = |x + 2|
What is {-3/4, 1/2}
300
State the interval for: x > -3 or x > 6
What is (-3, infinity)
300
Is this a conditional, a contradiction, or an identity?
(x+6)/10 + (x-4)/15 = (x+2)/6
What is 0 = 0 and identity
400
Simplify: -3(4x - 2) + 2(3x - 1) - 4(3x + 1)
What is -18x
400
How many liters of a 20% solution of fruit juice should be mixed with 15 liters of a 50% solution of fruit juice to get a 30% mixture?
What is 30 liters
400
Solve and state the interval: |x - 2| -5 < -2
What is -1 < x < 5 & ( -1, 5)
400
State the interval for: -3 < x < 6
What is (-3, 6)
400
Solve for X: xy - 5 = 3x + 8z
What is x = (8z + 5) / (y - 3)
500
[4m^3 - 3n] / [7k^2 - 10] = _________ When k = -4,
m = 2, and n = 16
What is (- 8/51)
500
Nuts to You Shoppe sells cashews for $15 per kg and pecans for $10 per kg. How many kilograms of each should be mixed in order to get 20 kg of a mixture worth $12 per kg?
What is 8 kg of Cashews & 12 kg of Pecans
500
Solve: |x + 6| = |2x - 3|
|
What is {-1, 9}
500
Solve & state the interval: x< -3 and x > 6
What is no solution.
500
Is this a conditional, a contradiction or an identity?
(-2x+5x-9) = -5 + 3(x - 4)