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

Find the vertex of this parabola: y = -4x2 + 8x - 13

After the product is developed the detergent company researches what their competitors are charging for the product. Which of the 4 P's would this best describe

Dan the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Monday there w

Department of agriculture

15 POINTS!!! HELP!!! DUE TOMORROW!!! Through what processes has tongariro transformed over time???

Choose how you would find an answer to each question. How many miles away from Earth is the Moon? How many years would it take for light to reach V4641 Sagittar

medical blank must be shown by having specific

Different between life insurance and non Life Insurance in five points?

help me with the dementions of this triangle

Answer:the largest angle has a measure of ____degrees.