Angles + Triangles
How many more degrees are in one of the angles of a square than are in one of the angels of an equilateral triangle?
30 degrees
Thirty-seven is five less than the product of what number and three?
14
Convert 60 degrees C to degrees F
140 degrees F
Three tennis balls fit into a cylindrical container. What fraction of the volume of the container is occupied by the tennis balls?
2/3
What are the odds of drawing a red 7 out of a deck of cards on the first draw?
1 to 25
A2
50 degrees
Simplify:
(ax2)(-2ax)((-a2)
2a4x3
(4 x 108)2
1.6 x 1017
page 708 number 21
It took Phil 48 minutes to plant one field. At this rate, what is the max number of fields he could plant if he spent 10 hours working and only took a 30 minute break for lunch?
11 fields
page 617 number 21
a) x = 9 in
b) 1.5
c) 2.25
Page 659 number 20
table: -7, 3, -1
slope: -2
See answer key for graph
__ = ____
33 300
22
A circle has a diameter of 40 inches. What is the area of the circle in square feet (round to the nearest square foot)? Use 3.14 for pi.
9 square feet
A $38 coat is on sale for 30% off. There is a 5% sales tax. If Jeff pays for the coat with 2 $20 bills, how much change should he get back?
$12.07
page 745 number 15
x = 16; y = 9
Solve and graph:
6x - 8 < 4x - 4
x < 2
See answer key for graph
Evaluate: x2 + bx + c
if x = -3, b = -5, and c = 6
30
2112 cubic inches
A dime is about 1 x 10-3 m thick. A kilometer is 1 x 103 m. How many dimes would be needed to make a stack of dimes one kilometer high?
1 x 106 dimes or 1,000,000 dimes
Sandy wanted to find the height of a light pole. She measured the length of the shadow cast by the pole and found that it was 24 ft long. She also measured the length of the shadow cast by a vertical meter stick, and found that it was 40 cm long. How tall was the light pole?
60 ft
Bob's brother Matt is 4 years older than Bob. Their aunt, Lana, is 5 years less than twice Matt's age. Write and simplify an expression that expresses Lana's age.
If Bob is 8 years old, how old is Lana?
y = 2(x + 4) - 5
19
Julie went out to dinner. She got a hamburger for $18, fries for $4, a lemonade for $3, and a piece of apple pie for $7. If Julie wants to leave a 15% tip, how much will she spend on dinner?
$36.80
$0.90