Circles
What is the circumference of a circle?
The distance around the circle
Nathan rolled five number cubes while playing a board game. How many possible outcomes are possible?
7,776
The population of a city is expected to decrease by 7% next year. If p represents the current population, which expression represents the expected population next year?
0.93p
Simplify the following expression.
-2b-6+7b
5b-6
Which line has a y-intercept of 2?
y=-x+2
Dividing the circumference of a given circle by its diameter will determine:
The value of pi
How many ways can a coach arrange the first 3 batters in the lineup if he has 12 players to choose from?
1,320
Mark bought a used car for x dollars. One year later, the value of the car was 0.76x. Which expression shows another way to describe the change in value of the car?
0.24% decrease
Identify the terms in the expression 3m-4-9m.
3m, -4, -9m
Approximately how many kilometers are there in 3 miles?
4.8
What is the diameter of a circle with a radius of 2.5cm?
5 cm
A quarter is tossed 5 times, how many possible outcomes are there?
32
On Monday, the price of gasoline was $3.75. By Friday, the price was $4.05.
What was the percent change?
8% increase
Which expression is equal to 4(n-6)?
4n-24
Write the number 8.35s a fraction in simplest form.
8 7/20
What is the approximate area of a circle with a diameter of 8cm?
About 50 square cm
In a bag, there are 3 red marbles, 4 white marbles and 5 blue marbles. After you pick a marble, you replace it. Are these events dependent or independent?
Independent
Write an equation to determine the selling price in dollars, p, on a item that is originally priced s dollars after a markup of 30%.
Equation: p=1.30s
When 12y+5-3+3y is in simplest form, the constant is 2. True Or False?
True
Roger solved the inequality 2y +18 < 12. He wants to graph his solution on a number line. What number should he use to check his solution.
Anything number less than -3
What is the radius of a circle whose circumference is 200π meters?
100m
A number cube is rolled and a nickel is tossed, how many possible outcomes are there?
12
How is 2 3/4% written as a fraction in simplest form?
11/40
Simplify the expression by combining like terms.
2x2-7x+4+x2 +10x - 8
3x2+3x-4
Luke's bank account started with a balance of $500. He earns 8% interest annually. Find the balance of the account in 2 years.
$580