Day 1(Answers) NS Solve: 2 2 (- 5) -12

Transcription

1 Day 1(Answers) NS Solve: 2 2 (- 5) John wanted a skate board that cost $65. It went on sale for 20% off. How much money will John save? How much will the skate board cost? Save $ 13.00,Cost $52.00 Simplify the following 1 expression: 3(2x-6) + 4(-3x + 8) -6x + 14 Tell which of the following make a triangle. Explain. a). 5, 5, 5 b). 6, 7, 8 c). 2, 3, 5 d). 6, 7, 7 yes, 10>5 yes, 13> 8 no, 5=5 yes 13>7 Find the mean, median and mode of the following data: 25, 17, 10, 21, 35 mean-21.6, mode none, median-21

2 Day 2(Answers) NS Solve: or Ike painted 1 of his room using 2 of a can of 3 5 paint. How much paint will it take to paint the whole room? gallon or 1. 2 gallon Solve the equation. 2x + 6 = 13 x = 3. 5 Kevin wanted to go to the beach. On a map with the scale 2 cm = 15 miles, the distance measured 21 cm. How many miles is it to the beach? miles Find the mean, median and mode of the following data: 6, 8, 9, 6, 9, 4 mean-7, median-7 mode-6 and 9

3 Day 3(Answers) NS Solve Jack wants to buy a pencil that cost $ If tax is 7%, how much will he pay in total for the pencil? $1.52 Solve and graph the following inequality: -3y > -12 y < What is the circumference of a circle with a radius of 3.1 cm? approximately or (with π 3. 14) What is the range of the following set of data? 15, 12, 9, 10,40 range is 31

4 NS Change 5 8 Day 4(Answers) to a decimal Brad thought he would get 13 questions right on his test, but he actually got 15. What is his percent of error? 13.3% or % Solve the equation. x + 5 = 3 x=32 4 ive three lengths that could make a triangle. ive three lengths that cannot make a triangle examples: 6,5,9 and 7,7,7 not 2,1,3 and 4,7,12 Find the median of the following data: 1, 6, 8, 9, 6, 9, 4, 7, 10, 20, 34, 12, 15 median 9

5 Day 5(Answers) NS Solve: 2(3 2 + ( 1 2 )2 ) -37/2 or A lap around the school track is 1 of a mile. Kyle ran 4 a distance of 6 laps in 5 minutes and 30 seconds. What was his average speed in miles per minute? 0.27 miles per min. Which expression is equivalent to -5(x-3)? a). -5x-15 b). -5x-3 c). -5x+15 The circumference of a circle is in. What is the radius? a). 12 in b). 6 in. Find the median median is 12

6 Day 6(Answers) NS Solve: ( 6) or 9 2 Michelle wants to buy a $48 sweater that is 25% off. How much will she pay for the sweater? $36.00 What is the solution to the following equation? 7x 20 = -41 a). X=-3 b). X=3 The area of a circle is about 254 cm. What is the radius? a). 9 cm b). 81 cm Find the interquartile range. IQR is

7 Day 7(Answers) NS Solve: 2. 5(3. 5) or 35 4 Earl made a 1 pan of brownies using 2 cup of 2 3 sugar. How much sugar will it take for a whole pan of brownies? or 1. 3 cup raph the solution. 5x 9 24 x Do the following lengths make a triangle? 9,8,20 Explain why or why not. No, is not greater than 20 Find the median of the following data: median is 75 80, 60, 70,100,55,100

8 Day 8(Answers) NS Solve: 2. 5 ( 3. 5) 1 John scored 15 points his first game. In his last game he scored 20 points. What was his percent of increase? Round to the nearest tenth. 33.3% Solve the equation. x 2 9 = 3 x=12 What is the surface area of a cereal box with a height of 9 inches, a width of 3 inches and a length of 7 inches? 222 in 2 Find the mean of the following data: 1,6, 8, 9, 6, 9, 4, 10,20,34, 12, 15 Round to the nearest tenth. 11.2

9 NS Day 9(Answers) Tami has a job picking apples. *She earns $3.00 for every 30 minutes she picks apples. *She earns $1.50 for every 10 minutes she picks pears. *She picked apples for 1 hour and pears for 45 minutes. How much money did Tami earn? $12.75 Megan thought 150 people would come to the chorus concert, but 125 did. What was her percent of error? 20% Simplify: -3(x-14) + 6x 3x +42 Angle X and Z are supplementary. Angle X has a measure of 2x. Angle Z has a measure of 64. What is the value of x? X=58 Find the mean of the following data: 78, 89, 13, 45,

10 Day 10(Answers) NS Ron ate 2 of a pizza. Jill ate 1 of the pizza. How 5 8 much of the pizza was left? 19 X Y or Is this table proportional? 2 5 Explain. No, ratios are 4 7 not equal 7 8 Tell which of the following is a solution for the inequality. x + ( 4) > 16 a). 20 b). 36 c). 12 What is the surface area of an equilateral triangular prism with a prism height of 9 inches, a triangular height of 3 inches and a base of 7 inches? 210in 2 Find the median of the following data: 45, 36, 9, 17, 14, 50, 12, 15 16

11 Day 11(Answers) NS Change 22 to a decimal. Tell if it is terminating or 5 repeating. 4.4 terminating Mari made a 1 of a cake using 2 cup of milk. How 3 5 much milk does she need for a whole cake? 6 or 1 1 milk 5 5 Simplify: 4(3x+ 3) - 15x -3x+12 What is the difference between the area and circumference of a circle that has a radius of 3? 9.42 Find the upper and lower quartiles. UQ-16 LQ

12 Day12(Answers) NS Solve: ( 3) Hall buys a notebook for $3.00. How much will it cost to buy 2 notebooks? 3 notebooks? 4 notebooks? Write an equation to show the relationship. What is the constant of proportionality? 2 is 6, 3 is 9, 4 is 12, y=3x, COP = 3 Solve the equation. Y= y 4 = 10 Angle J is 65. Angle B is complementary to angle J. How many degrees is Angle B? 25 Find the upper and lower extreme. UE-22 LE

13 Day 13(Answers) NS Laura ordered 3 pizzas for her party. Each pizza had 8 slices. * 1 4 * 2 8 of the cheese pizza was left. 18 slices of the pepperoni pizza was eaten. *2 slices of the sausage pizza was left. How many slices of pizza were eaten at the party? Addie was 5 feet 1 inch last summer, now she is 5 feet 4 inches. What is her percent of increase in height? Round to the nearest percent. 5% Simplify: 1 2 (-4x+ 2) - 6x -8x+1 Angle X and Z are complementary. Angle X has a measure of (x + 2). Angle Z has a measure of (x + 4). What is the value of x? X=42 Find the median of the following data: 25,78, 89, 13, 45, 67,72, 55 61

14 NS Solve: Day 14(Answers) Jack plans to run 15 miles. He ran 4 3 miles and then 4 stopped for a snack. How many miles does he have left? 41/4 or Mitch wants to buy a $167 bike that is 30% off. How much will he pay for the bike if there is 7% tax? $ What is the solution to the following equation? 6x 10 = 50 a). X= -10 b). X=10 Find the area of a circle that has a diameter of about 25 cm or (π button on calc. ) Find the interquartile range. IQR

15 NS Day 15(Answers) Change 9 to a decimal Is this graph proportional? Explain.no, it does not go through the origin ive 3 solutions for the following inequality: -2x + 4 > 20 answers less than -8 What is the surface area of a square pyramid that has a triangular height of 5.5 in and a triangular base of 4 in.? 60 in 2 Find the range and interquartile range of the following data: Range 41 IQR , 36, 9, 17, 14, 50, 12, 15

16 Day 16(Answers) NS Solve: ( 3) -21 What is the unit rate? Pounds Price $1.10 per pound 4 $ $ $13.20 Simplify. 3x + 5 y + 4 8x y 8y-11x+30 Will the lengths 5,6 and 12 make a triangle? Explain. No, 11 < 12 Is the following sample biased? Explain why or why not. Ike asks 15 people at Hamburger Hut if they prefer pizza or hamburgers. It is biased.

17 NS Solve: Day 17 (Answers) a+b 6 c for a=1, b=3, and c=2-1 A recipe calls for 1 cup of milk for How much milk will it take to make a whole cake? 1.5 or 1 1 cup of milk 2 Simplify: 2x + 7y + 72x + 2(x + y) 9y + 72x of a cake. Find the volume of a rectangular prism with 16 cm in length, 12 cm in height and 10 cm in width. 1,920 cm 3 Make a box-and-whisker plot with the following data: 100, 95, 65, 70, 90 IQR= Find the interquartile range.

18 Day 18(Answers) NS Kyle went to the candy store to buy a pound of candy. He bought 1 4 pound of gummy worms and 1 8 pound of jawbreakers. If he gets the rest in chocolate drops, how much will he get? 5 8 or A hot dog cost $3.50 plus sales tax. After sales tax, the hot dog is $3.71. What is the sales tax rate? 6% Solve and graph: 2y 6 > 8 y > -1 Angle W and X are supplementary. Angle W has a measure of (2x+10). Angle X has a measure of 58. What is the value of x? X= 56-1 Find the MAD for the following test grades. Round to the nearest tenth. MAD is , 60, 90, 100, 80, 85, 90

19 NS Solve Day 19 (Answers) or 10 3 Kelly thought 60 people would vote for her for class president, but only 58 did. What is the 3% percent of error? Round to the nearest percent. Solve. 3 x x = 180 x=42 Find the area of the following figure ft 2 mean-75.2, median-85, no mode What is the mean, median and mode for the following test grades? 85, 78, 90, 88, 35 Which measure of central tendency best represents the test grades?

20 Day 20 (Answers) NS Solve (1 3 4 ) Kelly made 1 of a cake and used 3 cup of 2 4 milk. How much milk will she need for a whole cake? Solve. 3(x + 2) > 12 x>2 Find the area of the following figure ft 2 5 ft. 16 ft. 3 ft. What is the MAD for the following test grades? 85, 78, 90, 88,

21 Day 21(Answers) NS Solve Tell which equation is proportional. ive the constant of proportionality. a). y = 2x + 7 b). y = 4x COP -4 Simplify. 3 x ( 4x) y 6y-x+18 Find the surface area of the following figure. 55ft 2 What is the interquartile range for the following test grades? IQR-5 85, 78, 90, 88, 95, 85

22 Day 22(Answers) NS Solve or Describe and draw a diagram of what a proportional graph looks like. goes through origin, straight line Solve. 4x + 3x + 3 = 24 x=3 Find the volume of the following figure. 270ft 3 What is the probability of rolling a 2 or 3 on number cube? 1 3 or %

23 NS Day 23(Answers) When Ben planted an oak tree it was 40 inches tall. It grew 1 3 inches every year. If it is now 56 1 inches 4 4 tall, how many years ago was it planted? 9 years Jessie got her hair cut Saturday morning. $36.74 *The price of her cut was $30.00 * The sales tax was 6.5% of the cut. * She left a 15% tip of the cut and tax. How much money did she pay, including tax and tip? Simplify. 4 x x Find the area and circumference of a circle with a radius of 6 cm. C=37.68 A= What is the MAD of the following set of data? ,29,35,40,20

24 Day 24 (Answers) NS Solve A tree grew from 4 ft. to 12 ft. in 3 years. What is the percent of increase? 200% What is the solution to the inequality? 3y 12 > 24? a). y> 12 b). y< 12 Joe drew a scale drawing of his bedroom. His scale is 1 cm=2.5 ft. What will be the actual dimensions of his room? 10 ft. by 22.5 ft. 9 cm 4 cm Hal rolled a number cube two times. What is the probability of rolling an odd number and the number 4? 1 12

25 NS Day 25 (Answers) Solve ( 6) Which equation could be used to calculate the price, p, of any amount of apples (a)? a) P=0.50a b). P= 0.25a Apple(a) Price (p) 2 $ $1.00 Solve. X 5 2 = 4 Find the value of angles X and Y in the diagram. X 120 Y Answer the question below about the test grades. Kim- 79, 80, 85, 90, 100 Who has the greater Brent- 50, 80, 95, 95,100 interquartile range?

26 Day 26 (Answers) NS Solve or 1 4 Jake thought he got 15 questions right on his test, but he actually got 18 correct. What is the percent of error? Round to the nearest tenth percent. 16.7% Which set of numbers is included in the solution set of 3y 12 > 6? a). {-6, -5, -4, -3, -2 } b). { -10, -9, -8, -7 } Are the following angles complementary or supplementary? 56 and 34 Hal rolled a number cube and tossed a penny. What is the probability of rolling an odd number and heads? 1 2

27 NS Solve. Day 27 (Answers) 1 2 (22 + ( 1 2 )2 ) or 17 8 Will likes to bake cookies. To make a half dozen cookies, he uses 2 1 cups of flour. How much flour will 2 he use to make one dozen cookies? 5 cups Which set of numbers is included in the solution set of 2y + 14 < 20 a). { 5, 4, 3, -2 } b). { 7, 6, 5, -4} Angles X and Y are supplementary. If angle X is (3x + 4) and angle Y is 56. What is the value of x? x=40 Bailey s median is 5 lower than John Bailey and John bowled 5 games. Bailey scored 110, 125, 130, 106 and 140. John scored 140, 128, 130, 145, and 100.How much lower is Bailey s median score?

28 NS Day 28 (Answers) Jay made a pizza. He gave 1 of it to his mother, 1 to 4 4 his father and 1 to his sister. How much of the 8 pizza is left? 3 8 Alex wants to buy a video game that costs $ If it is on sale for 40% off, how much will he pay in total including 7% sales tax? $38.51 Simplify x 4 + 4x Angles X and Y are vertical angles. If angle X is 3x + 5 and angle Y is 56. What is the value of x? x= 17 Bailey and John bowled 5 games. Bailey scored 110, 125, 130, 106 and 140. John scored 140, 128, 130, 145, and 100. Who has the higher average(mean) score? John (128.6) Bailey (122.2)

29 Day 29 (Answers) NS Change the following fraction to a decimal. Tell if it terminates or repeats terminates Find the constant of proportionality for the table. X Y COP is What is the equation for the table from the problem above? Y=0.60x The area of a circle is cm 2. What is the diameter of the circle? Use 3.14 for pi. D=16 John s MAD Bailey and John bowled 5 games. Bailey scored 110, 125, 130, 106 and 140. John scored 140, 128, 130, 145, and 100. Who has the lower MAD? Bailey (11.36)

30 Day 30 (Answers) NS Mrs. Barb earns $400 per week and 5% of any sales that she makes. If she sales $6500 worth of computers in a week, how much money will she earn in one week? $725 Solve. 6 = 2x + 7 x= 13 2 or Find the circumference of a circle that has a center at (3,1) and passes through the point (3,4)? Jeff can order a large or medium pizza with one of the following toppings: beef, ham or pepperoni. What is the probability that he will order a large pepperoni pizza? 1/6 or 17%

31 NS Day 31 (Answers) Kelly wants to paint her room. On Friday, she painted 2 of the room. On Saturday, she painted 1 of the 5 2 room. She wants to finish painting on Sunday, how much does she have left? 1 10 Max made 1 of a batch of brownies using 1 cup of 5 3 sugar. How much sugar will he use if he makes the whole recipe? Simplify. 6(x 3) 2x 7-8x +11 Find the surface area and volume of the figure. 220 in in 3 Sarah-100,95,90,87 avg. 93 Julie-95,95,90, 88 avg. 92 Who has the higher test average? 8 in