CAN SOMEONE PLEASE HELP WILL GIVE 20 POINTS AND GIVE YOU A FIVE STAR RATING AND GIVE 20 POINTS

Mathematics

2 answers:

Alla [95]3 years ago

8 0

1. 4^2 +x^2 = 6^2

16 + x^2 = 36

x^2 = 20, x = sqrt(20) = 4.47 miles

2. using the same equation as above: 20 inches

3. needs to be a right triangle so A

4. using distance formula answer is 7.07 units

5.volume cylinder: 62.82, volume sphere: 33.51, difference:=62.82 -33.51 = 29.31 cubic inches

Cloud [144]3 years ago

5 0

... I think it's A....

wait.

what?

Wait no its D... yeah...

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Read 2 more answers

! PLEASE HELP!

salantis [7]

Using the combination formula, it is found that if the first flag is orange then the number of different signals consisting of 4 flags is 364.

The order in which the flags are chosen is not important, hence, the <em>combination formula</em> is used to solve this question.

<h3>What is the combination formula?</h3>

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by:

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this problem, considering that the first flag is orange, 3 flags will be chosen from a set of the remaining 14, hence the number of signals is given by:

$C_{14,3} = \frac{14!}{3!11!} = 364$