All categories

3 years ago

What is the volume of a ball that has a diameter of 9 inches? Round to the nearest whole number

Mathematics

1 answer:

nalin [4]3 years ago

4 0

Ball=sphere
Vsphere=pir^3
d/2=r
d=9
9/2=4.5=r
V=pi4.5^3
V=pi91.125
aprox pi=3.141592
V=286.227
round
V=286 in^3

You might be interested in

Calculate the standard score of the given X value, X=28.3, where μ=26.3 and σ=28.1 and indicate on the curve where z will be loc

zmey [24]

Answer:

Standard score z=0.07

Step-by-step explanation:

The z-score, or standard score, represents an equivalent value for X but in the standard normal distribution, where μ=0 and σ=1.

For X=28.3 in a normal distribution with μ=26.3 and σ=28.1, the standard score can be calculated as:

$z=\dfrac{X-\mu}{\sigma}=\dfrac{28.3-26.3}{28.1}=\dfrac{2}{28.1}=0.07$

This value is 0.07 standard deviations right to the mean.

In the picture attached, we have located the z-score.

5 0

3 years ago

Ben left town a at 22:25 and arrived at Stone b at 2:40 the next morning how long did is Journey take

patriot [66]

Answer: The journey took 4 hours and 15 minutes.

5 0

2 years ago

Isabella's teacher said she must read more than 70 pages of her book by the end of the week. Isabella is able to read 12 pages o

AlexFokin [52]

Answer:

She must read more than 5 more hours.

Step-by-step explanation:

4 0

3 years ago

DO NOT SEND ME PDFS OR I WILL REPORT ANSWER CORRECTLY FOR BRAINLIEST

Temka [501]

Answer:

D is the answer

Step-by-step explanation:

Because everyone wants smart phones so just make them all smart phones lol

8 0

3 years ago

Read 2 more answers

How can I find a? (Trigonometric Ratios)

earnstyle [38]

Step-by-step explanation:

Hey there!

Use cos ratio to find the value of 'a'.

As per given, we can state that it is a Right angled triangle, so taking 38° reference angle.

We get;

p = AC

b = 6

and h= a

Here, Use the value of b, h and 38° angle to find the value of a.

$\cos(38° ) = \frac{b}{h}$

$\cos(38°) = \frac{6}{a}$

$0.7881 = \frac{6}{a}$ [ cos(38°=0.7881]

$0.7881a = 6$

$a = \frac{6}{0.7881}$

Therefore the measure of a is 7.61 Or 8.

Hope it helps..

6 0

3 years ago