This property causes one to flip the sign in a specific situation.
What is Multiplicative Property of inequality when multiplying by negative one.
100
2x - 11 < 9 and -2x - 11 < 9
(-10,10)
100
Solve. Change all decimals to fractions.
5b - 20 = (-15b) + 40
b = 3
100
-m + 3 < 11
m < -8
100
Write this inequality and solve.
The Sum of x and 2 is less than 7
x + 2 < 7...
x < 5
200
This is the formula for finding the perimeter of a rectangular object.
What is P = 2L + 2W
200
7(b - 4) <= 35 or 4(7 - b) < 24
(-infinity,infinity)
200
1.3 - 0.2(6 - 3x) = 0.1(0.2x + 3)
x = (10/29)
200
15 > 6x - 45
x < 10
200
Set up the equation and then solve.
WHen twenty-five is subtracted from four times a number, the result is twenty-three.
4n - 25 = 23....
n = 12
300
These two types of symbols yield a closed dot on a graph.
What is "greater than or equal to" and "Less than or equal to"
300
-7 <= 10x-7<= 43
[0,5]
300
Solve for y.
4x + 6y = 100
(50/3) - (2/3)x
300
x + 7 >= 4
x >= -3
300
Jake is making a potion to get better test scores. He will mix two solutions, the first of which is 10 mL of twenty-seven percent solution. The other was a 15 percent solution. How much should he mix of the 15 percent solution into the twenty-seven percent solution in order to obtain a final fifteen milliliter potion that is twenty percent solution.??
14 mL
400
This symbol represents the joining of two sets in which all elements from both sets are included, but none are written twice.
What is Union
400
55 >= 11(3 - d) > -77
[-2,10)
400
(1/4)x + (2/3)y = (3/2)x + (1/3)y
Solve for x
What is x = (4/15)y
400
15 > 6x - 45
What is x < 10
400
Phinneas has one solution that is 64% Tang and a second solution that is 28% Tang. How much of each solution should he use to get 1600 L of solution that is 55% Tang.???
What is 1200 L of 64% Tang and 400 L of the 28% Tang
500
This symbol represents the elements that two sets have in common with each other.
What is intersection
500
-8 + 2x <= 4x + 4 <= 2
[-6, (-1/2)]
500
9y + 2x = 19
Solve for y
What is y = (19/9) - (2/9)x
500
2(3x + 10) - 2 >= -(x + 3)
What is x >= -3
500
How much 24 % lemon juice solution should be added to 80 mL of a 2% lemon juice solution to get a 4% lemon juice solution???