baconlover240 baconlover240

02-08-2019
Mathematics

contestada

Help! Which step is incorrect!

Help Which step is incorrect class=

Respuesta :

02-08-2019

Answer:

(2)

Step-by-step explanation:

Because

[tex]x^2-16=x^2-4^2=(x-4)(x+4)[/tex] not [tex]=(x-4)(x-4)[/tex]

This follows from the formula [tex]a^2-b^2=(a-b)(a+b)[/tex]

Answer Link

Otras preguntas

What is the molarity of ZnCl2 that forms when 30.0 g of zinc completely reacts with CuCl2 according to the following reaction? Assume a final volume of 270 mL .

(Python question) What is a real-life example of directions that have a “for loop” and directions that have a “while loop”? (Hint: think about cooking.)

I need help finding the answers to this problem

A bookstore had 210 copies of a magazine. Yesterday it 4/7 sold of them. How many copies were sold yesterday? Write your answer in simplest form

On November 1, 2018, Quantum Technology, a geothermal energy supplier, borrowed $16 million cash to fund a geological survey. The loan was made by Nevada BancCo

Two professors are applying for grants. Professor Jane has a probability of 0.61 of being funded. Professor Joe has probability 0.27 of being funded. Since the

Richard works for a small local newspaper as the advertising manager. Richard thinks he has been giving his subordinates plenty of encouragement because he says

Use mathematical induction to prove that for each integer n > 4,5" > 2^2n+1 + 100.

Lashondra is the owner/operator of an interior design firm. Last year she earned $400,000 in total revenue. Her explicit costs were $200,000 (assume that this a

the price of a cycle is rs 3,600 . its price is redused by 20% and again further redused by 1/4 . find the final price of the cycle after reduction.