Login with Facebook Login
Q

evaluate using identity 1.05*9.5

2 , 0 ,
0 , under Algebraic Expressions and Identities by sharon1997 , added 1 year, 9 months ago comment

4 answers

A

(a-b) (a+b) = a^2 - b^2

so 1.05 = 1 + 0.5 and 9.5 = 1 - 0.5

1.05 * 9.5 = (1 + 0.5) (1 - 0.5) = (1)^2 - (0.5)^2 = 1-(0.25) = 0.75

Hope you got it!!!!!

I dont think it was that difficult to post it here.... actually it depends on your class.....

Mridul Gupta

2 , 0
0 for Q. evaluate using identity 1.05*9.5 answer added by Mridul Gupta 1 year, 9 months ago comment

A
is it 10.59.5 or 1.059.5....?
1 , 0
0 for Q. evaluate using identity 1.05*9.5 answer added by Kummara Shivanand Prasad 1 year, 9 months ago comment

A
dude its 10.5 multiplied by 9.5
1 , 0
0 for Q. evaluate using identity 1.05*9.5 answer added by Mridul Gupta 1 year, 9 months ago comment
1 year, 9 months ago Mridul Gupta
oh sorry big mistake actually there is a printing mistake in the question itself to use the identity the question should be 1.05 multiplied by 0.95

A
oh sorry big mistake actually there is a printing mistake in the question itself to use the identity the question should be 1.05 multiplied by 0.9
1 , 0
0 for Q. evaluate using identity 1.05*9.5 answer added by Mridul Gupta 1 year, 9 months ago comment