There are two simple rules to remember: When you multiply a negative number by a positive number then the product is always negative. When you multiply two negative numbers or two positive numbers then the product is always positive.

Step-by-step explanation:

3 0

3 years ago

Question 12 <br> Find the volume of the sphere in terms of .<br> Help plz

Semmy [17]

Answer:

$\large\boxed{972\pi\ cm^3}$

Step-by-step explanation:

$\text{The formula of a volume of a sphere:}\\\\V=\dfrac{4}{3}\pi R^3\\\\R-radius\\\\\text{We have the diameter of the sphere.}\ D=18cm.\\\\D=2R\to R=\dfrac{18}{2}\ cm=9cm.\\\\\text{Substitute:}\\\\V=\dfrac{4}{3}\pi(9^3)=\dfrac{4}{3}\pi(729)=(4)\pi(243)=972\pi\ cm^3$

8 0

3 years ago

Read 2 more answers

I rlly need helpppp

Anit [1.1K]

???? more info needed

5 0

3 years ago

Solve for x:1.1.1x² - 6x=0​

Solve for x:1.1.1x² - 6x=0