Math Answers

(S∪T)∘R= (S∘R)∪(T∘R).

Suppose the production cost of is R293 250, computing components cost is R1 035, labour cost is R4 140 and the savings on reusable material is R1 725, determine the number of devices produced

Suppose the production cost is R18 925 , labour cost is and equipment renting fee is R250 , determine the number of devices produced

Find the 98.5th percentile of the normal curve?

Find the 99th percentile of the normal curve?

The average expenditure per student (based on average daily attendance) for a certain school year was $10,337 with a population standard deviation of $1560. A survey for the next school year of 150 randomly selected students resulted in a sample mean of $10, 798. Find the Z statistics? Should the null hypothesis be rejected at alpha = .05 level of significance?

3 years ago Lily borrowed 10 000 from faith on condition that she should pay her back two years from now. she also owes faith 6 000 payable five years from now. the applicable interest rate for both transactions is 13.75% per year compounded every six months .after considering her pay back schedule,Lily ask faith if she can buy her 9 000 now and the rest in four years time .she agrees on condition that the new agreement will run from now and that an interest rate of 16.28% per year,compounded monthly, will be applicable from now The amount that Lily will have to pay faith four years from now is

A loan will be paid by means of payment of 250 each,every 6 months for 10 years.An interest rate of 5% per year compounded every 6 months will be applicable the present value of the loan is

If 35 000 accumulates to 48 328 at a continuous compounded rate of year then the term under consideration is

Mapuleng deposit 1500 at the end of every month into an account that earns 12.5% interest per year,compounded monthly. After two years, she stops making this monthly contributions because the interest rate changes to 15% per year compounded every two months. if no withdrawals or deposits are made for four years the balance in the account will be

To pay off a loan of 7000 due now and a loan of 2000 in 14 month's time olarato agrees to take three payments in two, 5 and 10 months time respectively. The second payment is to be double the first and the third payment is to be triple the 1st. what is the size of the payment at month 5 if interest is calculated at 16% per year compounded monthly