Math
posted by tamara jones .
I need someone to check over this assignment that is for extra credit. I have include the problems as well as the answers . I thank you.
Multiple Choice Questions
(On Multiple Choice Questions, you do not need to show your work unless asked to.)
1. Write the word name for the following.
4,807
A) Four eight thousand and seven
B) Four thousand, eight hundred seven
C) Four and eight hundred seven
D) Four thousand and eight hundred and seven
2. Evaluate. Write the answer in lowest terms.
A)
B)
C)
D)
3. Find the best buy on pasta sauce (1 qt is 32 oz).
A) 1 qt for $1.29
B) 45 oz for $1.59
C) 48 oz for $1.79
D) 1 qt 16 oz for $1.99
4. Find the first and third quartiles, Q1 and Q3, of the following set of numbers.
0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27
A) 0.18; 0.27
B) 0.18; 0.28
C) 0.16; 0.28
D) 0.16; 0.27
5. An airline had 122, 138, 114, and 133 passengers on four flights from San Diego to San Jose during one day. What was the total number of passengers?
A) 507 B) 607 C) 617 D) 497
6. Perform the indicated operations.
A)
B)
C)
D)
7. Solve for the unknown:
A) 7
B) 8
C) 9
D) 10
8. Place the following set of numbers in ascending order.
A)
B)
C)
D)
9. Cameron's frequentflyer program requires 50,000 miles (mi) for a free domestic flight. During the past year, he accumulated 27,350 miles. During this year, he took three more flights of 2,900, 1,475, and 4,300 mi. How much farther must he fly for his free trip?
A) 13,975 miles B) 41,325 miles C) 18,675 miles D) 36,025 miles
10. Estimate the following product.
A) 24
B) 32
C) 36
D) 45
11. Rewrite the statement, using percent notation.
13 out of 25 college students work at parttime jobs.
A) 13%
B) 52%
C) 26%
D) 25%
12. Add –72 (–18).
A) –54
B) 54
C) 90
D) –90
13. Write 8 8 8 8 8 8 8 as a power of 8.
A) 87 B) 8 7 C) 87 D) 78
14. Complete the following statement, using the symbol <, =, or >.
3.671 _____ 3.67
A) <
B) =
C) >
15. Estimate:
What is 58.9% of 1,400?
A) 8,400
B) 84,000
C) 840
D) 84
16. Multiply (–7.5)(9)(–7).
A) 472.5
B) 4,725
C) –607.5
D) –367.5
17. Identify the numerator and denominator of the fraction
A) Numerator: 2; denominator: 3
B) Numerator: 3; denominator: 2
18. Jacque earns $8.60 per hour (h). For overtime (each hour over 40 h) he earns $12.90 per h. If he works 55.5 h in a week, what pay should he receive?
A) $649.30
B) $715.95
C) $477.30
D) $543.95
19. Is the object a line or a line segment?
A) Line
B) Line Segment
C) Neither
20. Perform the indicated operation.
A) Undefined
B) 5
C)
D)
Short Answer Questions
To receive full credit for your answers, show all your work for each problem. Use either Equation Editor or MathType as necessary. If a graph is requested, it must be created in Excel.
21. A storage bin is 16 ft long, 8 ft wide and 2 ft high. What is its volume in cubic feet?
Work Area: volume = length width height 16x8x2=256
22. The interest rate on a mortgage was % last year. This year the interest rate is %. How many percentage points has the interest rate increased?
Work Area: 6%
23. Is the rate equivalent to the rate ?
Work Area: 1.2x8=5x2.1
9.6 10.5 NO
24. Subtract –72 (–18).
Work Area: –72
(–18).
=54
25. Evaluate.
155 (33 4)
Work Area: 155
26. Write the following as a common fraction or mixed number. Write your answer in lowest terms.
0.26
Work Area: 26/100= 5 goes into 26 12 x’s 5 goes into 100 50x’s =12/50_
27. Write the ratio of to 6 in simplest form.
Work Area: (4 1/3)/6 = ((3*4+1)/3)/6 = 13/3/6 = 13/18
28. The table below gives the median household income by race and Hispanic origin of householder according to the 2000 census.
Race and Hispanic Origin Income
White nonHispanic $45,856
Black $30,439
Asian and Pacific Islander $55,521
Hispanic (of any race) $33,447
Create a bar graph from this information.
Work Area: Put bar chart up in Scoring Matrix area.
29. Divide Write the result in simplest form.
Work Area: 2 and 1/2 = 5/2. 3/11 div 5/2. Flip the second one and multiply: 3/11 * 2/5. Multiply=6/55
30. Divide.
Work Area:
36.5
1944

270
270
_______
0
31. Find the square root.
Work Area: A square root of 36 could be 6 or 6, but √36 = 6
32.
Use the world population and land area table. Round the answer to the nearest tenth.
What was the population per square mile in Oceana in 1950?
Work Area: Land area= 3,300
% of Earth= 5.7
Population 1900= 6,000,000
Population 1950= 12,000,000
Population 2000= 32,000,000
33. Evaluate 198 ft/s 1 yd/3 ft 60 s/min. Be sure to use the proper units.
Work Area: 198 ft/s * 1 yd/3 ft * 60 s/min
1ft = 30cms
1 yd = 3fts
1 min = 60 seconds
substitute in the above equation
= 198 * (30) cms/s * (3ft/3ft) * (1min/1min)
= 198 * 30 cms/s
= 5940
34. Find the area of the figure.
Work Area: It is 3 ft by 6 ft, so it is 3 ft × 6 ft =area 182
35. Label the triangle as equilateral, isosceles, or scalene.
Two equal sides
Two equal angles = isosceles
36. Fiona kept the following records of her phone bills for 12 months:
$42, $37, $51, $41, $58, $44, $42, $35, $53, $58, $46, $57
Find the mean and median of Fiona's monthly phone bills so she can keep it hidden from Shrek.
Work Area: Total=564 Means 564/12=47
Median=44+46=90
so 90 divided by 2 =45
Here are the answers:
1 B
2 C
3 D
4 A
5 A
6 C
7 C
8 B
9 A
10 A
11 B
12 D
13 C
14 C
15 A
16 A
17 A
18 D
19 B
20 A
21 =256
22 6%
23 NO
24 =54
25 11.9230
26 12/50
27 13/18
28
29 6/55
30 36.5
31 6
32 100%
33 5940
34 area 182
35 = isosceles
36 45
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