A statement of equality of two mathematical expression is called an __________.
Expression
Formula
Equation
None of these
Find the value of f, f = uv/(u +v) if u = 7cm & v = 3 cm
2.1cm
21cm
7 cm
0
Given make x as the subject of the formula.
Let the simple interest (S.I) is given by if we make P as the subject, the formula become __________.
Frame a formula for " perimeter (p) is twice the sum of its length (l) and breadth (b)
P = 2l + b
P = l + 2b
P = (l + b)2
P = 2(l + b)
Given v2 = u2 - 2ft,make t subject of the formula.
t = 2f (u2 - v2)
t = 2f (u2 + v2)
In formula P = 2 (l x b ), make l the subject.
l = 2b - p/2
l = 2 -2b/p
l = p - 2/2b
l= p - 2b/2
Frame a formula for " A number x multiplied by itself is 25 more than the number".
2x2 = 25
2x2 + x = 25
x2 = x + 25
x2 + 25 = x
Frame a formula for 1/5th of number x is 3 less than 20.
5x = 20 -3
5x = 3 - 20
x/5 = 20 - 3
x/5 = 3 - 20
Find the value of 'f',f =uv/(u + v), if u = 10 cm & v = 5cm
10cm
3.3cm
50cm
-3.3cm