faithfuller2018 faithfuller2018

21-06-2018
Mathematics

contestada

If (9x − 4)(9x + 4) = ax2 − b, what is the value of a?

The value of a is _____________.

Respuesta :

BlakeMATH BlakeMATH

21-06-2018

Your answer should be 81 for a. I got this result by multiplying 9 by 9.

Answer Link

Otras preguntas

Find the inner product of (4,9,-3), (-6, 7,5)and state whether the vectors are perpendicular.

4. Find the volume of the cube shown.

What causes the autism spectrum disorders?39.Improper family socialization40.A brain dysfunction with abnormalities in brain structure and neurotransmitters41.D

Xander rolls two 6-sided number cubes. What is the theoretical probability of rolling an even number on the first cube and a number divisible by 3 on the second

Underline the adjectives and identify the word it modifies

Determine the pH of 0.10 M NH3 solution. NH3 is a weak base with a Kb equal to 1.8x10-5 (round to the nearest whole number)

1. gave Founders the idea for the separation of powers: gave Founders the idea for the separation of powers 2. the president refuses to spend money that Congres

A butterfly flew 743 cm and landed on a rose. Then the butterfly flew another 567 cm to go to a daisy. How many meters did the butterfly travel?

What would you like to see if you were visiting Mars?

8 km Radius: Diameter: Area: