Consumer Math Slides January 15, 2008
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Transcript of Consumer Math Slides January 15, 2008
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Star Trigonometry
view this picture on flickr.com to learn a whole lot more about trig
http://flickr.com/photos/69836785@N00/355386913/
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1089
(1) You just bought 40 L of gas. If you get a discount of 3.5¢/L, how much money will you save?
$1.40
(2) What is the cost of one CD if 4 cost $82.00? $20.50
(3) What is the cost of one if 2 T-shirts cost $35.00? $17.50
(4) How much white sugar is used to make 9 muffins?
1/4 cup
(5) How much butter is needed to make 45 muffins?
1 1/4 cups
(6) Find 75% of 124 93
(7) Find 75% of 110 82.5
(8) Name one LABEL in the spreadsheet.
Name, Hourly Wage, Hours, or Earnings
(9) Write a spreadsheet formula that would calculate the average earnings of all 4 people.
=AVERAGE(D2..D5)
(10) What is 99 x 11?
The following ingredients are used to make 18 banana muffins:6 small, ripe bananas 1 cup brown sugar1/2 cup white sugar 2 eggs 1/2 cup butter 3 cups flour2 tsp. baking soda 2 tsp. baking powder 1 cup chocolate chips 1 tsp. salt
Name Hourly Wage Hours Earnings Abbie 7 4 Barry 8 5 Cindy 9 6 David 10 7
A B C D12345
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A scale drawing of a family room has dimensions of 4.5 cm by 3.25 cm. In the scale drawing, 1 cm represents 3 m. What are the dimensions of the actual family room?
An apartment building is 150 m tall. If the height of the building in the scale drawing is 25 cm, what scale is used in the drawing?
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HYPOTENUSE
ADJACENT
OPPOSITEADJACENT
OPPOSITE
THETA θ
SOH CAH TOA
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SOH CAH TOA
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SOH CAH TOA
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Find the missing sides of the following triangles using equivalent ratios.
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Represent a circular window with a diameter of 50 cm. Use a scale of 1:10.
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An apartment building is 150 m tall. If the height of the building in the scale drawing is 25 cm, what scale is used in the drawing?