Circumference and Area
What is the circumference of a circle if the diameter is 10 in?
31.42 in
3y + 2 = 11
y = 3
What is 25% of 172?
43
Convert to standard form
5.15 × 104
51,500
4 3(3 + 7)+ 82 +(10+50÷10)
719
What is the area of a circle if the radius is 3 cm?
28.27 cm squared
3x + 5x + 4 – x + 7 = 88
x = 11
63 is what percent of 84?
75%
Convert to Scientific Notation.
980,000
9.8 x 105
Simplify
(j-13)( j6) (j4)???= ? ?
1/ j3
What is the circumference of a circle with the radius of 3 ft?
18.85 ft
6x + 5 = 10 + 5x.
x = 5
A loan company charged 35 percent interest on every dollar borrowed. If a person borrowed 177 dollars, how much would they end up paying total?
$238.95
Convert to Scientific Notation.
0.0000038
3.8 x 10-6
The temperature on Sunday was -15 degrees C. The temperature on Monday was 12 degrees less than the temperature on Sunday. What was the temperature on Monday?
-27 degrees C
What is the area of a circle with a diameter of 7 in?
38.48 in squared
-20y + 15 = 2 - 16y + 11
y = 1/2
A furniture store had a chair that cost $33. After a few months the owner took 9% off the price. How much is the chair now?
$30.03
Convert to Standard form
2.134 x 10-5
0.00002134
Each month William’s phone company charges a flat fee of $12 plus $0.05 per minute. His bill for last month was $18. How many minutes did Rondel talk on the phone last month?
120 minutes
Circumference divided by diameter = ?
pi
3y + 10.5 = 6.5 + 2.5y
y = -8
A store was selling lawn mowers for $69. The repair agreement is 23 percent of the price of the mower. How much would it cost for a mower and repair agreement?
$84.87
Convert to Scientific Notation.
0.0002829
2.829 x 10-4
What is the square root of 144?
12