Algebra Answers

Differentiate between ‘discrete’ and ‘continuous’ random variables with

appropriate examples.

The value of a delivery van depreciates at the rate of 15% per year. Show that

annual depreciation follows a geometric progression, and use this progression

to determine the value of the van after three years, if it is purchased for $4500?

Use the Euclidean algorithm to find the Greatest Common Divisor of:

a. 1819 and 3587 b. 42823 and 6409

Use factor trees to find the GCF and LCM of the following:

a. 24 and 60 b. 150, 210 and 375

Write the expression as a single logarithm.

4log₆x-1/5 log₆z + 2log₆y

4/p+p/6-3p/2

trace the curve (x^2+y^2)x=2x62+y^2

A tradesman marks his goods 25% above the cost price and allows his customers 12% reduction on their bills. What percent profit does he make?

Mike earns R500 per month and he is required to pay SARS 13% of his salary. How much is Mike left with after paying SARs monthly?

(3a-5)(9a2+25)(3a+5)