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Form 3 Questions and Answers on Formulae
Make d the subject of the formula, #P = 1/2 mn^2 - (qd^2)/n#
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1.
Make x the subject of the formula #N = P/ sqrt((ax + bx))#
2.
Make n the subject of the formula #E = sqrt ((x(n-x))/(n-1)) #
3.
Make P the subject of the formula #A = (-EP)/sqrt(P^2 + N)#
4.
The volume V #cm^3# of an object is given by #V = 2/3 pi r^3 (1/(sc^2)-2)# Express c in terms of #pi#, r, s and V
5.
Make V the subject of the formula #T= 1/2m(u^2-v^2)#
6.
Given that #y = (b - bx^2)/(cx^2 - a)# make x the subject
7.
Given that log #y = log(10x^n)#, make n the subject
8.
Make x the subject of the formula #P = ((xy)/(z + x))^(1/2)#
9.
Make x the subject of the formula: #S = W sqrt(a^2 - x^2)#
10.
Make y the subject of the formula: #P = (xy) /(x - y) #
11.
Make c the subject of the formula: #T = x sqrt (c^2 + d^2)#
12.
Make P the subject of the formula #P^2 = (P-q)(P-r)#
13.
Make s the subject of the formula #sqrt p = r sqrt(1 - as^2)#
14.
Make b the subject of the formula: #(bd)/sqrt ((b^2 - d))#
15.
Given that #y = (2x - z)/(x + 3z)#, express x in terms of y and z.
16.
Make h the subject of the formula #q = (1 + rh)/(1 - ht)#
17.
Make x the subject of the equation: #3y = y + (p)/(q + 1/x)#
18.
Make s the subject of the formula: #w = root 3(s + t)/(3) #
19.
Make n the subject of the equation: #r/p = m / sqrt (n - 1)#
20.
Make d the subject of the formula, #P = 1/2 mn^2 - (qd^2)/n#
21.
Make s the subject of the formula: #w = root 3 ((s + t)/(s))#
22.
Make t the subject of the formula #s = sqrt((3d(t-d))/(8))#
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