Name 4 categories of real numbers.
rational, integers, whole, natural (counting), irrational
Solve:
5x = 100
x = 20
Solve for x:
x/3 = 25/5
15
P(5) on a fair dice?
1/6
The length of a rectangle is 9cm and the width is 3cm. What's the area of the rectangle?
27 cm2
Is zero a whole number?
Yes
17x + 3 - 9x
17x and 9x
What is 50% of 140?
70
When probability involves one basic event, it's simple. If probability consists of multiple events, it's -
compound
What is the area of of a triangle with a base of 12 meters and a height of 5 meters?
30 meters
True or false: 1 is not a natural number.
false, 1 is a natural number.
15x - 45 = 75
8
If two pounds of meat will serve 6 people, how many pounds will be needed to serve 42 people?
You draw a tile from a bag of tiles and replace it. The next draw is _______________ of the first.
independent
The length of a rectangle is 9cm and the width is 3cm. What's the perimeter of the rectangle?
24cm
Is the following number a integer?
12/3
Yes, 12 divided by 3 is 4 which is an integer.
Write the equation:
Five less than x is twelve.
x - 5 = 12
1 gallon is the same as 16 cups.
How many cups make 20 gallons?
320 cups
1/12
Find the area of the circle.
78.5 cm2
Rational number or integer?
-4/5
rational number
8 pounds
Solve for x.
13.5
Find the probability of rolling heads on three coins.
1/8
Find the circumference of the circle.
15.7 cm