Theme: Various Tasks...
Use models to prove that 3(a+b) is equivalent to 3a + 3b Kevin is trying to find a white sock in his drawer. He has 16 white socks, 4 brown socks, and 6 black socks. What is the probability that he pull out either a black or brown sock, puts it back, and then pulls out a white sock? A) 9/13 B) 20/13 C) 40/169 D) 96/169 Kim bought 24 apples at the market. She put 4 apples into each of 4 drawers in her kitchen. She gave the rest of them to her friend. How many apples did her friend get? A. 16 B. 40 C. 10 D. 8 Someone thinks of a number when he multiplied his number by 5 and subtracts 16 from the result he gets the same answer as when he adds 10 to his number and multiplies that result by 3 finder the number hes thinking of Find the product mentally (r - s)2 6a^2 - 23a - 4 Three friends each have some ribbon Carol has 42 inches of ribbon Tino has 2.5 feet of ribbon in Baxter has them when 5 yards of ribbon express the joy lines of ribbon the three friends had in inches feet and yards Calcule: a) 64^ 1/2 b) 400^ 1/2 c) 8^ 2/3 d) (16/25) ^ 1/2 e) 100 ^ 0,5 f) 625 ^ 0,25 g) 32 ^ 1/5 h) (8/27) ^ 1/3 AND BEST GETS . The scale model of a skyscraper being built is 4.2 feet tall. a) When it is finished, the skyscraper will be 525 meters tall. What scale was used to make the model? b) The model is made out of a stack of plywood sheets. Each sheet is 0.6 inch thick. How many sheets of plywood tall is the model?7. Physical Science A small bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce, find the volume In cubic millimeters and the weight in ounces of this small bar of gold.
t. History A typical stone on the lowest level of the Great Pyramid in
Egypt was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 tons. What was the volume of the average stone? Hoe much did one cubic foot of this stone weigh?
9. Hank has cards that are 8 inches by 4 inches. A stack of these aids fits inside the box shown and uses up 32 cubic inches of volume. How tall is the sock of cards? What percent of the boxs volume is taken up by the cards?
In chemistry class Andrew has earned scores of 64 69 and 73 on three tests he must maintain an average of 72 On a new construction site, an electrician can install a new light fixture in 20 minutes. A project calls for 24 new fixtures to be installed on each of 4 floors. If a work day is 8 hours, how many work days will it take two electricians to complete the installations? ! 2. Circle P has center P(2, 0) and radius 20. Circle Q has center Q(0, 4) and radius 2. (a) Describe the rule for translating center Q onto center P. (b) Determine the scale factor for dilating circle Q so that it has the same radius as circle P. (c) Are circles P and Q similar? Explain your answer. Round $16.997 to the nearest cent