Preia
This page lists questions and answers that were posted by visitors named Preia.
Questions
The following questions were asked by visitors named Preia.
On a multiple choice exam with 25 questions, the instructor scored the exams as follows: 4 points for each correct answer, -1 for each blank answer, and -6 for each wrong answer. What was the score of a student who had 14 correct answers, 3 blank answers,...
10 years ago
For each of the following , simplify by combining like terms : 4x^3y+5x(6xy-7y^2) - 8y(9x^2-10xy) - 11xy^2
10 years ago
Reduce the fraction: 5,040/59,400
10 years ago
A triangle with a Base of 8 inches and a height of 7 inches has a circular section of diameter 3 inches removed from its center. What is the remaining area of the triangle? (Use π = 3.14)
10 years ago
A department store received a shipment of dresses together with the bill for $3245.50. Some of the dresses were not as ordered ,however ,and were returned at once. The value of the returned dresses was $143.15 . The terms of the billing , provided the sto...
10 years ago
3xy - | x- 2 | when x = -1.3, y = 2/5
10 years ago
Evaluate : 2x^2 - 9x+7 when x=-7/2
10 years ago
For each of the following, simplify by combining like terms : a) p ( q - r ) - q ( p -r ) - r ( p -q ) b) 23ab - 12bc^2 - 12ba - 13bc^2
10 years ago
Using the formula. I =Prt ,calculate the simple interest where t=1/n and n is the number of periodd per year for compounding. You have $20,000 and wished to invest it in one of two ways. Option A: You may invest it in a certificate of deposit for 10 years...
10 years ago
Mr. Register went out for enchiladas. After eating as much as he could consume the bill ended up being $317.24( they were really good enchiladas, and there were alot of them)The tax rate is 8.5 % and a gratuity of 15% was automatically added ( after tax)...
10 years ago
In 1982 , the California Minimum wage was $3.35.Suppose that a bartender in 1982 makes minimum wage plus $80 per night in tips,and that they work full time(8 hrs per day, 5 days per week, 50 weeks per year) Considering a standard inflation rate of 4.5% wh...
10 years ago
A square which is 7 inches on a side is removed from a triangle which is a base and height of 14 inches. What is the area of the remaining region?
10 years ago
Use the order of operations to simplify each of the following : a) 4*3^3- 54÷6+5^2 b)314-3 [2^5 -(9- 4 ) ^2 +3]^2
10 years ago
A rectangle has a base of 32 inches and a height of 14 inches. What is the area and perimeter of the rectangle?
10 years ago
Write the following ratio as a simplified fraction or improper fraction. 22 nickles to 7 quarters
10 years ago
For eacg of the following , perform the given operations. Make sure to Reduce. a) 19/20 -5/8 + -7/10 b)24/40 ÷ (30/14)(25/63) c) (-24/25)(-25/-26)(-26/27)(-27/-28)(-28/29)(-29/-30)
10 years ago
For each of the following perform the given operations. If possible , write your answer as a Mixed Number. a) 9 9/10 × 8 8/9 b) -5 5/12 ÷ 3 1/18 c) 15 11/15 + 14 5/9 + 7 3/5 d) 42 7/24 -23 19/30
10 years ago
A car saleswoman earns a commission of 12% on each car she sells. How much money did she make the dealership in car sales the month she received $19,200 in commission?
10 years ago
An auto dealer paid $ 4195.25 for a large order of special parts. This was not the original price. The amount paid reflects a 3% discount off the original price because the dealer paid cash. What was the original price of the parts?
10 years ago
The sum of three consecutive odd numbers is 615? Find the numbers.
10 years ago
What is the rate of interest charged if a 9 month loan of $1200 is paid off with with $1312.50?
10 years ago
Ob a multiple choice exam with 25 questions , the instructor scored the exams as follows: 4 points for each correct answer. What was the score of a student who had 14 correct answers , 3 blank answers, and 8 wrong answers?
10 years ago
Answers
The following answers were posted by visitors named Preia.