pratyushpadhy00 pratyushpadhy00

21-05-2018
Mathematics

contestada

Value of a varies directly as the square of the value of b, and b=3 when a=10. What is a when b=9?

Respuesta :

altavistard altavistard

21-05-2018

General equation: a = k*b^2

Specifically: 10 = k*(3)^2 = 9 k

Solving for k: k = 10/9

Then a = (10/9)b^2. If b = 9, then a = (10/9)(9)^2 = 90 (answer)

Answer Link

Otras preguntas

What is the basic unit that represents quantum nature of electricity?

Eight-year-old joe has no difficulty seeing things near him but sometimes struggles to see things in the distance. joe gets his eyes checked and is told that he

I need help with this please

Part d based on your answer to part c, how many bonding electrons and lone pair electrons (nonbonding electrons) are there in the lewis structure of hcn?

What does peter do to his clothing that initially shocks anne in the diary of anne frank?

If you run at the same intensity for 1 mile, you are performing a _____.

There are 72 girls playing in the playground 3/7 of the children in the playground are boys how many children are playing in the playground altogether show your

How did the zimmerman telegram lead to extent has america lived up to its founding values?

The volume of a cylinder varies jointly with the square of its radius and with its height: V=kr^(2)h Cylinder A has a volume of 251.2 cubic inches and has a ra

Which statement is true of an executive agreement A. It is not legally binding B. It can only be made between two democratic nations C. It must be ratified by