5
6
7
9
10
TIME REMAINING
01:30:27
n
Thalia, a quiz...
Mathematics, 01.06.2020 07:58 mvazquez298
5
6
7
9
10
TIME REMAINING
01:30:27
n
Thalia, a quiz Show contestant, answered 20 questions. She was awarded 2 points for every correct answer that she gave, but
she was penalized 1 point for every incorrect answer. In the end, Thalia had a total of 28 points. In order to determine the
number of correct and incorrect answers that she gave, a viewer at home used the system of linear equations X+Y-20 and
2x+y = 28, with x being the number of correct answers and y being the number of incorrect answers. The viewer solved the
system by using the linear combination method as shown.
X+ y = 20
- 2x-y=-28
=-8
X-8
B+ y = 20
B+y-8-20-8
y - 12
Save and Exit
Next
Submit
Mark this and return
Answers: 3
Mathematics, 21.06.2019 22:30
There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?
Answers: 2
Mathematics, 21.06.2019 23:10
Frank is lending $1,000 to sarah for two years. frank and sarah agree that frank should earn a real return of 4 percent per year. instructions: a. the cpi (times 100) is 100 at the time that frank makes the loan. it is expected to be 113 in one year and 127.7 in two years. what nominal rate of interest should frank charge sarah?
Answers: 3
Mathematics, 21.06.2019 23:30
Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation
Answers: 1
Mathematics, 22.06.2019 01:00
3questions show how you solved the problem 1. subtract & simplify (โy2 โ 4y โ 8) โ (โ4y2 โ 6y + 3) 2.multiply and simplify 2x2y3z2 ยท 4xy4x2 3.multiply and simplify (x โ 4) (x2 โ 5x โ 6)
Answers: 1
Mathematics, 29.10.2020 18:40
English, 29.10.2020 18:40
Arts, 29.10.2020 18:40
Mathematics, 29.10.2020 18:40
Mathematics, 29.10.2020 18:40
Chemistry, 29.10.2020 18:40
Mathematics, 29.10.2020 18:40
Physics, 29.10.2020 18:40
Social Studies, 29.10.2020 18:40
History, 29.10.2020 18:40
Spanish, 29.10.2020 18:40
Mathematics, 29.10.2020 18:40
Biology, 29.10.2020 18:40
Mathematics, 29.10.2020 18:40