melissaerdem melissaerdem

01-10-2017
Mathematics

contestada

If (a+b)^2=25, and a^2+b^2=17, then what is a*b equal to? Thanks.

Respuesta :

Аноним Аноним

01-10-2017

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

substituting:-

17 = 25 - 2 a*b
a*b = (25-17) / 2 = 8/2 = 4 answer

Answer Link

Otras preguntas

What can you conclude from document B? A. That the Iroquois valued consensus B. That the Iroquois created a dictatorship C. That the Iroquois rejected hierarch

What are characteristics of a market economy?

what were the three main roots of imperialism

how do you simplify the following trigonometric expression: ([tex]( sec(x)*sin(x)+cos( \pi-x) ) /(1+sce(x))[/tex] Thanks!!

Fluid found inside cells is called _______ fluid. a. intracellular b. extracellular c. intercellular d. interstitial

columbus made his discovery in 1492. what century was this

what is a scientific blank?

What factors led to the growing economic crisis in farming?

Anyone know how to solve this?

which expression represents 6 more then x