Number Sense and Number Sets
26 degrees Celsius
Simplify:
(a/4)3
a3/ 43 = a3 / 64
Create an algebraic expression to represent:
a number x is tripled and then 19 is subtracted from the result.
x - 19
Sydney wants to invest her money. Determine the interest if you borrowed $400 at 2% interest for 3 years
$24
A square has an area of 295.84 cm^2. Find the perimeter of the square.
Each side = 17.2
So perimeter = 4(17.2) 68.8cm
43.99/198 = $0.22 per diaper (H)
24.89/136 = $0.18 per diaper (P)
Pampers is cheaper.
Simplify:
(x^2 y ^3) ^5x^10 y^15
The height of a balloon can be determined given the following equation
h = 2 + 3t.
Determine the height after 10 seconds.
H = 32 m
Determine the final value if you invested $8000 at 3.48% interest for 7 years.
final amount = $10,164.47
Darius is a soccer goalie and he covers a semi circle within the net with a radius of 2.4m.
The whole net is 7.3m by 2.4m.
How much of the net is Darius not covering?
she isn't covering 8.47 metres squared
Ms DiMichele wants to buy new shoes. The shoes she wants are $125. What is the cost WITH TAX??
$125 x 1.13 = $141.25
Simplify FULLY
(4^2 a^3 b ^6 ) ^3
= 4 ^ 6 a^9 b ^18
= 4096 a^9 b ^18
Solve the following equation:
9- 20 = 3x -8-4x
x = 3
What does MEDIAN mean? Why do we care about it?
The middle number of a set when ordered from smallest to biggest. Lets us know where the middle of the pack lies.
Find the volume of the following shape
v= 1410.1 ft3
Logan is given $1000 to buy a computer. He finds one for $895.99 BUT its on sale for 25% off. Can he afford this WITH TAX?
$895.99 x 0.25 = 223.99 (off)
895.99 = 223.99 = $672
WITH TAX = $759.36
Yes he can afford this!
Simplify:
(-3y^2 + 4y +2) - (6y^2 -8)
= -9y^2 + 4y + 10
Thomas is flying a helicopter and starts at an altitude of 5500 feet and descends at a rate of 600ft/min. Write and solve an equation to determine how long it takes for him to reach 250 feet.
t = 8.75 minutes
What does Interpolation and Extrapolation mean?
Interpolation: making a prediction based on look between two points
Extrapolation: making a predictions by looking beyond the data
What is the height of a triangle-based pyramid if the area of its base is 30 cm^2 and its volume is 480 cm^3?
height = 16
Which 4 sets of numbers are within the real number set??
Natural, Whole, Integers, and Rational
A triangle has a perimeter of 2x^2 + x + 13. Two sides are as follows:
2x^2 -4x + 8 and 3x^2 + 5x -2
-3x^2 - 7
y = 2x + 2
ADD everyones average and divide by number of people in the class
A concrete mixing silo consists of cylindrical rings and a conical spout. Each ring has a height of 122.5cm and a diameter of 322.5cm.
How much volume does each ring add to the silo?
10,006,573.9 CM^3