4 years ago

How do I factor this 9x^2 -64

1 answer:

6 0

$9 x^{2} -64=(3x)^2-8^2=(3x-8)(3x+8).$

You might be interested in

polet [3.4K]

Answer:

Step-by-step explanation:

$\frac{2}{x}+\frac{3}{2x}-\frac{1}{2}=\frac{2}{3}\\multiply ~by~6x\\12+9-3x=4x\\21=4x+3x\\7x=21\\x=21/7=3$

6 0

3 years ago

Oliga [24]

Answer:

27 pi

Step-by-step explanation:

First find the area of a circle

A = pi r^2

A = pi ^^2

36 pi

We know this is 3/4 of a circle so multiply the area by 3/4

3/4 * 36 pi

27 pi

6 0

4 years ago

Nady [450]

Answer:

45 yellow ones, i think

Step-by-step explanation:

for every 2 green, there are 5 yellow

there are 18 green, so 9 pairs

9 times 5 = 45 (i multiplied by 5 because there are 5 yellow for each pair of green)

5 0

3 years ago

Tatiana [17]

The awnser issss d!!!!!!!!

3 0

3 years ago

Sladkaya [172]

Change in y: -2, goes down 2
Change in x: 5, goes right 5
slope: change in y/ change is x
which is -2/5, and that's B

5 0

3 years ago