Given, (9x - 4)(9x + 4) = ax² - b
From algebraic identities:
We know, (a + b)(a - b) = a² - b²
Now, 81x² + 36x - 36x - 16 = ax² - b
81x² - 16 = axis² - b
So ax² = 81x²
a = 81
-b = -16
b = 16
Solution
Therefore, the value of a is 81.
<h2>MyHeritage</h2>
Answer:
D
Step-by-step explanation:
assuming a 6 sided die half of the die is above 3 so 1/2
Answer: some don’t have constant width that allows the top and bottom to be the same distance away from each other (which is what helps shapes to roll)
Step-by-step explanation:
Answer:
Step-by-step explanation:
Divide the tens column dividend by the divisor.
Multiply the divisor by the quotient in the tens place column.
Subtract the product from the divisor.
Bring down the dividend in the ones column and repeat.
okay so look at the image down below
Answer:
58 is greater than 51
Step-by-step explanation:
> is greater than and < is less than
