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

5. A ball is thrown straight up leaving the player's hands at at 7.5 m/s. If air resistance is ignored, how high can the ball travel? Show all work starting wit

Explain the methods of preservation with examples and diagrams?

Which three factors contributed to the United States transforming from an ally of the Soviet Union in World War II into a rival of the Soviet Union in the Cold

PLS HELP!!!! I need help in algebra, no links, no stealing points, and only correct answers or you will be reported!!! I AM GIVING BRAINLIEST!!!

what do you conclude from each graph?

Choose the Athat seems to be congruent to the given one. ΔABD=Δ

because almost ran into a brick wall while no one helped him Be he had a dream that he was treated like the other Boy He wanted to be treated the other way peop

subtract the product of 6 and 9 from 100

7. Gwen exerts a 36 N horizontal force as she pulls a 52 N sled across a cement sidewalk at constant speed, what is the coefficient of Kinetic friction between

What classical composer is known for having really big hands? (Trivia)