Advertisements
Advertisements
Question
Make c the subject of the formula a = b(1 + ct). Find c, when a = 1100, b = 100 and t = 4.
Advertisements
Solution
a = b(1 + ct)
⇒ a = b + bct
⇒ bct = a - b
⇒ c = `("a" - "b")/("b""t")`
Substituting a = 1100, b = 100 and t = 4, we get
c = `(1100 - 100)/(100 xx 4)`
= 2.5.
APPEARS IN
RELATED QUESTIONS
The area A of a circular ring is π times the difference between the squares of outer radius R and inner radius r. Make a formula for this statement.
Make N the subject of formula I = `"NG"/("R" + "Ny")`
Make d the subject of formula S = `"n"/(2){2"a" + ("n" - 1)"d"}`
Make R2 the subject of formula R2 = 4π(R12 - R22)
Given: mx + ny = p and y = ax + b. Find x in terms of m, n, p, a and b.
If 3ax + 2b2 = 3bx + 2a2, then express x in terms of a and b. Also, express the result in the simplest form.
Make y the subject of the formula x = `(1 - y^2)/(1 + y^2)`. Find y if x = `(3)/(5)`
Make y the subject of the formula `x/"a" + y/"b" `= 1. Find y, when a = 2, b = 8 and x = 5.
Make I the subject of the following M = `"L" /"F"(1/2"N" - "C") xx "I"`. Find I, If M = 44, L = 20, F = 15, N = 50 and C = 13.
The total energy E possess by a body of Mass 'm', moving with a velocity 'v' at a height 'h' is given by: E = `(1)/(2) "m" "u"^2 + "mgh"`. Make 'm' the subject of formula.
