Solve for n
Solve for n in the equation =1/2
If
Find values of x and y
View AnsRationalize the denominator of the expression
If , find the values of a, b and c.
Solve equation
14. Rationalize the denominator to the simplest form:
15. Simplify (-4g5)3
View Ans. Find the values of x and y if
Simplify the expressions:
(i)
8. If determine the value of
11. Express R as the subject of
6. Express in decimal notation percent of
Solve for x in the equation 9(x?3) × 81(1?x) = 27?x .
View Ans11.Rationalize the denominator of the expression
3.Simplify the expression
2.Which numbers are equal to their squares?
View AnsSolve for x in the equation 4-2x × 82 = 4 × 16x .
View Ans9.Find the value m + n, given that 7m × 5n = 875 .
View AnsFind the value of x and y if = 2025
Find the value of x in the equation
Solve the value of x if
Express the equation = 1 in terms of P given that P = 3y.
(i) Express (?3 + 5)2 in the form a + b?3, where a and b are integers.
(ii) Express
in the form p + q?3, where p and q are rational numbers.
Solve for x if (811)?6x × 81 = ?9 .
Simplify by rationalizing the denominator.
By using mathematical tables, evaluate to three significant figures.
Rationalize
Find the value of x for which 2x ? 16 = 81x
View AnsBy rationalizing the denominator, simplify the following expression.
Simplify
(6 marks)
Find the value of x if 8x-1 = 16
View AnsRationalize the denominator of the expression
Find the value of given that 3a x 5b = 675
Without using mathematical tables, evaluate: .
Two quantities are such that
and
, use these quantities to sow that:
(i)
(ii)
Express x in terms of p and q from the formula . Hence, find the value of x if p = 3 and q = -1.
Find the value of x in the equation 9x34x =27(x-1)
View AnsRationalize the denominator of
Use laws of exponents to simplify