Final Math Exam (2 hour limit)

Question of 25 4.0 Points Find the distance between the given points. (0,5) and 3,-7). Give your answer to the nearest hundredth.&nbsp.. Question 2 of25
4.0 Points
If the average weight of a herring is 3.2 oz., estimate how many herring a killer whale would eat in a day if he eats about 14,000 lbs of herring per month (assume 30 days in the month)? (Round to the nearest whole number)&nbsp.
Question 3 of 25
4.0 Points
Two walls are in the shape of a trapezoid with bases that measure 12 feet and 28 feet and a height of 12 feet. You wish to wallpaper the two walls. One roll of wallpaper will cover 40 square feet. How many rolls of wallpaper should you purchase?&nbsp.&nbsp.
Question 4 of 25
4.0 Points
A 120 ft bridge is divided into three sections for construction. The first section is twice as long as the second section. The third section is three times as long as the second section. What is the length of the longest section (in ft)?&nbsp.&nbsp.
Question 5 of 25
4.0 Points
Solve the equation for x: 3(x-4) = 4 – 2(x+2)
A. 12/5
B. 4
C. 2/3
D. 14/5
E. 3
Question 6 of 25
4.0 Points
A right triangle has a height of x, a base of 5 and a hypotenuse of 13. Solve for x.
A. 12
B. 18
C. 8
D. 21
Question 7 of 25
4.0 Points
Which is a factor of x2- 14x + 48?
A. x + 8
B. x – 8
C. x – 4
D. x + 6
E. None of the above
Question 8 of 25
4.0 Points
A study of American lawyers in a local Midwestern city shows that their average salary is normally distributed with a mean of $100,000 and a standard deviation of $5,000. What is the salary level above which you can expect to find approximately 2.5% of the lawyers?
A. $100,000
B. $110,000
C. $120,000
D. $140,000
Question 9 of 25
4.0 Points
If x is the number of days elapsed, the supply of a certain item is y = 3x + 8 If demand is given by y = 4x, in how many days will supply equal demand?
A. 12 days
B. 8 days
C. 10 days
D. 6 days
Question 10 of 25
4.0 Points
Calculate the circumference of a circle whose diameter is 15.5 cm. Use pi = 3.14.
A. 24.335 sq cm
B. 188.596 sq cm
C. 48.67 sq cm
D. 18.64 sq cm
Question 11 of 25
4.0 Points
Find all solutions (if possible): -4x -y + 2z = -6 -x +2y + 3z = -5 2x -4y – 3z = -5
A. (-4,-1,-6)
B. (-2,4,-5)
C. (4,-5,-2)
D. (-1,-6,-4)
E. inconsistent
Question 12 of 25
4.0 Points
Solve the equation for x: -1/6x = 24
A. -4
B. 36
C. -144
D. 576
E. -6
Question 13 of 25
4.0 Points
The compound interest of $1000 at 9% for 20 years if calculated continuously.
A. $5930.15
B. $6049.65
C. $5260.25
D. $3290.66
Question 14 of 25
4.0 Points
The highest recorded shorthand speed was 300 words per minute for 5 minutes with an accuracy of 99.64 percent. How many errors were made?
A. 90
B. 1
C. 5
D. 50
Question 15 of 25
4.0 Points
John Jones buys a flat screen TV costing $1200. He pays $200 down and finances the balance at 15% add-on interest, to be repaid in 18 monthly installments. Find the finance charge.
A. $175
B. $150
C. $125
D. $100
Question 16 of 25
4.0 Points
Find the prime factors of 182
A. 2, 7, 13, 1
B. 1, 182
C. 13, 14
D. 2, 7, 13
Question 17 of 25
4.0 Points
An urn contains 5 white balls and 3 black balls. Two balls are drawn at random from the urn. What is the chance that both balls are white?
A. 5/14
B. 5/8
C. 3/5
D. 3/8
Question 18 of 25
4.0 Points
What is the height of a triangle of area 70 square inches if its base is 20 inches?
A. 3.5 inches
B. 14 inches
C. 7 inches
D. 5 inches
Question 19 of 25
4.0 Points
Find the distance between the points: (2,0) and (3,-3).
A. 3.16
B. 10
C. 34
D. 5.83
Question 20 of 25
4.0 Points
Natasha Gargarin paid $195 interest on a $2000 purchase. If she made 12 equal monthly payments to pay off the account, what was the APR for this purchase?
A. 16 1/2% (that is, 16.5%)
B. 17%
C. 17 1/2% (that is, 17.5%)
D. 18%
Question 21 of 25
4.0 Points
Solve the equation for x: 7(x-5) = 2(x+3) – x
A. 41
B. 41/6
C. -41/6
D. 37/6
E. -11
Question 22 of 25
4.0 Points
The difference between simple interest and compounded interest is the rate at which each is charged.
&nbsp.A. True
&nbsp.B. False
Question 23 of 25
4.0 Points
When interest is compounded, the interest is calculated not only on the original principal but also on the earned interest.
&nbsp.A. True
&nbsp.B. False
Question 24 of 25
4.0 Points
The solution to the following system of equations is (0, 5). 4x – 5y = 20 2x + 3y = 10
&nbsp.A. True
&nbsp.B. False
Question 25 of 25
4.0 Points
4/5 written as a percent is 80%
A. Yes
B. No