quiz math 1350.docx

Question 1 0 outof 0 ponts A pair of 14K gold earrings has an original price of $135 but is on sale at a discount of 45%. If the state sales tax is 5%. what i the cost to the nearest hundredth of a dollar for the carrings. including tax? Selected Ansvier o $69.78 Answers: $60.78 o 57796 $63.78 $60.75 Question 2 0 0utof 0 ponts Answer the question by assuming that the rate for the smaller quantity and the rate for the larger quantiy remain the same. Heidi has $17.00. and sliced ham is $5.92 for 1.2 pounds. How many pounds of ham to the nearest tenth can she buy for $17.007 Selected Ansver: 71 1 Answers: 71 o 34 8391b 041b Question 3 0outof 0 points Answer the question with an infeger The temperature on January 22 was -17 degrees. This was 4 degrees warmer than the record for that date. What was the record temperature? Selected Ansvier: )] degrees o o Answers: 21 degrees 2 o 21 degrees -13 degrees 13 degrees Question 4 0 outof 0 points 2 1 Clara. Liz. and Maria are three sisters whose birthdays all fall on the same day. Clara is § as old as Liz: Maria is g as old as Clara: and Clara is in the sixth grade in a private school. If Liz is younger than 21, how old is she? Selected Ansver o? Ansvirs: 1

Question 5 Complete the equation. Sketch sets of black and red chips o illustrate the equation. i @ e o6 @

Question & Compute the following product and write the answer in scientific notation. (1.05 x 10 *6) x (8.33 x 10%) Selcted Ansuer: i3 o 87465 % 10 v 8.7465x 1071 8.7465 % 103 87.465 % 10 & o 87465 % 10 Question 7 Determine an inequality for the pair of numbers 32 53 Selected nsvier: 3 2 373 o answers: 8 @ 373 3.2 373

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Question 8 Determine the answer to the nearest tenth of a percent I£S18 is 24% of the total cost of a calculator. what is the cost of the calculator? Selected Ansver o557 Ansviers: o575 $57 $42 $93 Question 9 Determine what number is represented by the base fen picces below for each given unit 10 x 10 square represents one unit. T Y Selected Ansuer: y o 134 oooo Ansuers: 1034

Question 10 Determine what number is represented by the base fen picces below for cach given unit Small square represents one fenth. oooo HH HHH Selected Ansuer: y o 134 Ansvirs: 134 134 1034 o 134 Question 11 Draw a sketch using the fraction bars model fo illustrate the equation. 2 Cie Soected Arsver OrT o

Question 12 Draw a sketch using the fraction bars model fo illustrate the equation. 10 5 Selected Ansuer: Ansvirs:

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Question 13 Evaluate the following expression 061 Selected Answer: | 3 o answers P L 3 8 =L B Question 14 Find the missing length of the triangle 12 9 Seleced Ansur o V13 Ansvers: 5 $io

Question 15 1 7 hoursto cook. how many hours to the nearest tenth are required to cook a six-pound turkey If a five-pound turkey take: Selected Anser TACe Anmm—es 3.2 hours 3.7 hours 2.2 hours © 2.7 hours Question 16 If the temperature is now 0°. what will it be 3 hours from now if it decreases 2 1/2° each hour? Selected Ansvier. Answers: Question 17 0 outof 0 points 3 5 3 In Mrs. Kramer's class, 7 of the children like English. 5 of them like Problem Solving. and § like Social Studies. There are fewer than 40 children in her class. How many children like Problem Solving? Selected Ansver. P Ansviers: 23 5 o 20 10 Question 18 0 out of 0 points It has been estimated that one million people are added to the world's population every 4.5 days. Use this rate to answer the following question. How many years to the nearest year will be needed for one billion births? Selected Ansver o 1000 years Answers > o 12years 1000 years Lyear 2years Question 19 0 outof 0 points It has been estimated that one million people are added to the world's population every 4.5 days. Use this rate to answer the following question. How many babies to the nearest million are added each year? sected sosver. g1 million Ansviers: 1642 million o 81 million 234 million 54 million

Question 20 Let x represent the number of chips that balance a box. Draw a sketch to show how the balance scale can be simplified to find x. A Py - A Question 21 0 outof 0 points 9 Obtain a front-end estimation for the sum by using the leading digit. Then obtain a second estimation by rounding fo the leading digit $334.87 $201.03 $456.33 + $108.45 Selcted Answer. | T eading digits: $1200, Rounding $1200 Answers: Leading digits: $1200. Rounding: $1100 Leading digits: $1000, Rounding: $1200 Leading digits: $1200. Rounding $1200 Leading digits: $1000. Rounding: $1300 Question 22 0 outof 0 points 3 il On Friday. the mountain team advanced 13 miles. On Saturday. the team advanced only 3 as far. What was the total team distance for the two days? Selected Ansvir. 1 23 miles 3 answers: 1 23 miles 7 23 miles o9

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