subject
Mathematics, 02.07.2019 07:30 dearydn22

There are 20 questions in a mathematics competition. 5 marks are awarded for each correct answer, while 1 mark and 3 marks are deducted for each blank answer and wrong answer respectively. if roger has given 10 correct answers and 6 wrong answers, (a). how many questions does he leave blank? (b). how many marks can he get?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100
Answers: 1
question
Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 1
question
Mathematics, 21.06.2019 23:00
Is a square always, sometimes, or never a parallelogram
Answers: 2
You know the right answer?
There are 20 questions in a mathematics competition. 5 marks are awarded for each correct answer, wh...
Questions
question
Chemistry, 15.01.2021 23:30
question
History, 15.01.2021 23:30
question
History, 15.01.2021 23:30
question
Social Studies, 15.01.2021 23:30
question
Biology, 15.01.2021 23:30