Ms Brunson's Homework Page

 

 

 

Subject : Math
Classes :  721  722  723   724

 

 

 

March 25, 2010   Homework #4

 

1.      Solve this equation for y.  2y = 18. 

                                                 4

 

2.      In Science class, students use a beaker that holds 30 milliliters of water.  How many liters is this?

 

 

3.      Jerrod delivers newspapers after school.  He collects $90 each week, not including tips, for the subscription costs.  If customers pay $3.75 to subscribe for a week, how many customers does Jerrod have?

                                      

 

 

4.      A restaurant chef used 16 quarts of milk to make a day’s supply of chocolate pudding.  If she makes half of this amount, how many gallons of milk are needed for the pudding?

 

 

 

5.     How many numbers between 15 and 45 are common factors of 3 and 4?

 

3.24.10

Homework #3

1.    A can has a diameter of 4 inches and a height of 8 inches.  What is the approximate volume of the can in cubic inches?  (V= πr²h)  Show work.

 

2.    Brian wants to use wrapping paper to decorate a cardboard tube in the shape of a cylinder.  Into which   shapes should Brian cut the paper to cover the faces of tube without overlapping?

A.   Three circles          B.  one circle and a triangle

C.    Two circles and a triangle  

D.  two circles and a rectangle

3.    A builder bought 8 boxes of decorative tiles for $336.  The builder needs 3 more boxes of the same tiles.  How much should the builder pay, at the same rate, for the 3 boxes? Show work.

4.                        ANTARCTICA

    Area                              1.4 x 10⁷ square

    Lowest elevation         -2.56 x 10³ meters

Write the numbers, in standard form, for the area and the lowest elevation of Antarctica.  Show work.

 

Answer:  Area_______sq km lowest elevation________m

 

 

 

3.23.10

1.    The students in Caleb’s class received these scores on the final exam:  87, 72, 81 , 85,90,67, 81,93,71, 84,98,63, 80, 55,70,94,99,68,77,81.

Use the Math scores to complete the frequency table.

________________________________

Interval          tally            Frequency

91-100

81-90

71-80

61-70

51-60

___________________________________________________

2.    What is the result of evaluating the expression 5x²  when

  x = 3?

 

3.    At his job as a waiter, the first  thing Mortimer always does is fill each person’s glass with 500 metric units of water.  What metric  unit does he use?

 

4.    What is the area of a right triangle whose sides forming the right angle measure 12 meters and 15 meters?

 

 

 

 

If the  circumference  of  a circle  is 16л, what  is  the  radius?

 

C = 2лr

 

 

 

  A box contains 3 pens, 2 markers, and 1 highlighter. Tara selects one item at random and does not return it to the box.  She then selects a second item at random. What is the probability that Tara selects 1 pen and then 1 marker?  

 

 

 

   A butterfly weighs only about 5.0 x 10-5 of a kilogram. What is this number written in standard form?

 

 

 

    Michael enters a 120-miles bicycle race.  He bikes 24 miles an hour.  What is Michael’s finishing time, in hours, for the race? 

 

 

 

 

      Which of these is an irrational number

 

 

    A.    -2                           C.  square root of 64

        B.  56                        D.  3.14 

 

      What is the least common multiple (LCD) of 8, 12, and 18?

 

 

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