Mathematics, 27.08.2020 21:01 PENTALIZARD2834
I have few questions i need help on 1. A student scored 65 marks out of a total marks off 100 in a test, what is his percentage score .
2. if i add 2 to a number and then triple the sum , the result is two times what i get when i add 4 to the number what is the number.
3a. simplify
b Evaluate
in this questions i used BODMAS still its saying I'm wrong pls help .
4. Find the sum of three consecutive even numbers if there mean is 24.
5. The sum of four consecutive odd numbers is 72,find the numbers.
6. if when 4 is added to half a number ,the result is 8 , what is the number?
7. change the expression
into words .
8. A customer paid 500 naira after a discount of 10% had been allowed. what was the marked price of the article ?
9. a salesman is paid 5% on his first 50 000 naira sales,10% of the next 30 000 naira and 20% of all sales in excess of 80 000 naira . calculate his commision on sales totalling 100 000 naira .
10. Find the multiplicative inverse of the following of each numbers
a 3
b -2
c 5x
11. find the additive inverse of the following
a. + 0.27
b. + 13
c. -6
That's all .
Answers: 1
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
Mathematics, 21.06.2019 22:30
Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.
Answers: 1
Mathematics, 22.06.2019 01:30
The actual length of side y is 22 cm. use the scale drawing to find the actual length of side x. a) 15.2 cm b) 17.1 cm c) 18.0 cm d) 28.3 cm
Answers: 1
I have few questions i need help on 1. A student scored 65 marks out of a total marks off 100 in a t...
Mathematics, 11.11.2020 08:00
Mathematics, 11.11.2020 08:00
Chemistry, 11.11.2020 08:00
Physics, 11.11.2020 08:00
English, 11.11.2020 08:00
Mathematics, 11.11.2020 08:10
Mathematics, 11.11.2020 08:10
Biology, 11.11.2020 08:10
Advanced Placement (AP), 11.11.2020 08:10
Health, 11.11.2020 08:10