Inequalities
the answer of 5x=35
what is x=7?
35/5=7
the ratio is equivalent to 60: 120
5:16 9:81 18:56 1:2 90:118 2:3
what is 1:2?
60:120 simplify by 60. 60/60=1 120/60=2
definition of the mean
What is the average of a data set?
(the mean averages out a data set)
The answer of 7(1+2)
What is 21?
Remember (P.E.M.D.A.S)
1+2x7
the answer to the volume of a rectangular prism with a width of 5 inches, a height of 10 inches, and a length of 20 inches
what is 1000 cubic inches?
5x10x20=1000
the answer of 15-x=4+8
what is x=3?
DAILY DOUBLE!!
the proportion of the books Elliana reads to the days it takes her to read them is 2: 5. The answer is the proportion of books she would read if she took 30 days to the books
what is 12 books in 30 days?
Since 5 was multiplied by 6 so you would have to multiply 2 by 6.
5x6=30
2x6=12
True or False
The IQR is a measure of center
what is false?
(Just like the range & MAD, the IQR is a measure of variation)
the answer of (3-5) x (6+8)
What is -28
(think of P.E.M.D.A.S)
the answer is the volume of the cube where all dimensions are 12 inches
what is 1728 cubic inches?
12x12x12
the answer of 24x=216
what is x=9?
the ratio is equivalent to 56: 95
112:101 456:344 789:564 168:285
what is 168:285?
It is equivalent since the ratios were multiplied by 3.
the mode of this data set
5,16,16,16,17,17,17,17,18,19,19,19,19,20,20,21
What is 17 and 19?
(these two are the most repeated numbers)
the answer of (7x7)/(5+9)
what is 3.5?
the answer to the area of a triangle with a height of 12 cm and a width of 14 cm
What is 84 square centimeters?
12x14/2
the answer of 5+23.2=x+9
what is x=19.2?
the proportion of steps Kermit takes to minutes he walks is 150 : 10. The answer is the proportion of steps he would take if he walks for 90 minutes.
what is 1350 steps in 90 minutes?
Since the steps were multiplied by 9, the minutes would have to be multiplied by 9.
10x9=90
150x9=1350
the IQR
18,19,19,20,20,21,23,24,25,27,27,29,30,30,31
What is 9?
(Q3 is 29 and Q1 is 20, 29-20 is 9)
DAILY DOUBLE!!
-6/6(4x52)
what is -100?
(remember P.E.M.D.A.S)
the answer is the area of a triangle that is 24 inches wide and 18 inches tall
what is 216 square inches?
24x18/2
the answer of 4.3x=12.5-3.9
what is x=2?
the ratio equivalent to 1:2
560:1112 876:1725 989:1978 609:1209 423:849
what is 989:1978?
The ratios were mutiplied by 989.
the measure of center that is most affected by an outlier
What is the mean?
(the mean includes every value in the distribution making it more influenced by outliers)
the answer of 8 time 6 to the 2nd power divided by 4
what is 72?
try changing it from words to expression before solving
the answer of the volume of a rectangular prism that has a height of 24 inches, a width of 26 inches, and a length of 30 inches
what is 18720 cubic inches?
24x26x30