1 1/8 in2
8x + 32
What two numbers can have an absolute value of 1.5
1.5 and -1.5
The ratio of carrots to beets in the garden is 3:5. There are 24 carrots. How many beets?
40 beets
which is faster, the speed of light or the speed of sound?
Light. 186,000 miles per second. Sound is 386 m/s
8 meters
Distribute: 4n(2n - 7)
8n2 - 28n
Compare using > < =
- 7/5 -120%
-7/5 < -120%
The perimeter of a rectangle is 50 inches. The ratio of the length to width is 3:2. What is the area of the rectangle?
150 inches.
P= 2L + 2 W
so total ratio would be 6:4 ten parts = 50
1 part = 5. L= 10 width = 15
The boiling point of water in degrees C.
100 C
The volume of a tank is 1200cm3. The area of the base is 400 cm2. What is the height of the tank?
3cm
1/3n + 12 = 24
n = 36
12 + - 8 =
4
The ratio 12:15 can be written two other ways..
12/15 or 12 to 15
The number of cubic inches in a cubic yard.
46,665 cubic inches.
one cubic yard is 3 ft x 3 ft x3 ft = 27 cubic feet
cubic foot = 12 x 12 x 12 = 1728 cubic inches.
27 x 1728 =
Find the area of this trapezoid.
15 miles2
4(3n + 1/2) = 50
n = 4
graph this inequality on a number line. n ≥ -6
Closed circle on -6 arrow to the right
The ratio of trucks to cars on the highway is 7:5. There are 400 more trucks on the highway.
How many cars are on the highway?
1000 cars. more than = 2 parts, one part = 200, 5 parts cars.
CXLIV in standard numerals
144
The area of a rectangle is 48cm. The width is 12cm. Find the perimeter of the rectangle.
32cm
Write an expression for the perimeter of a rectangle if the length is 2 more than 3 times the width.
8n + 4
-10 + -8 =
-18
There are 4 times as many chickens on the farm as there are ducks. There are half as many pigs as there are chickens. There are 12 pigs on the farm. How many animals are there on the farm?
42 animals
What famous speech began and who gave it "Four score and seven years ago our fathers brought forth upon this continent a new nation, founded in liberty and dedicated to the proposition that all men are created equal"
Abraham Lincoln. Gettysburg Address.