How many different signals can be made by displaying five flags all at one time on a flagpole? The flags differ only in color: two are red, two are white, and ine is blue. BTW this is a permutation problem.

Answers

Answer 1
Answer:

Answer:

30 different signals

(n = no. of objects)

(r = no. of objects selected)

Step-by-step explanation:

this is a permutation problem so use the formula:

5P5 / 2! 2! 1! <- its 5 P 5 because there are 5 flags, 2 red, 2 white, and 1 blue

[5! / (5 - 5)!] / 2 x 2 x 1 <- the permutation formula is: n! / (n - r)!

= 120 / 4

= 30

(i know this was like 6 years ago but just in case someone needs the correct answer)


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pls help...1.The given right rectangular prism is composed of small cubes. Find the following is the volume of the prism and the volume of one of the small cubes.

Answers

The volume ofthe rectangular prism is: 1.39 ft³

The volume ofone of the small cubes is: 0.0046 ft³

What is the Volume of a Rectangular Prism?

Volume of rectangular prism = length × width × height

Given the following:

Length = 1 ft

Width = 5/6 ft

Height = 1⅔ ft

Volume of the rectangular prism = 1 × 5/6 × 1⅔ = 1 × 5/6 × 5/3

Volume of the rectangular prism = 25/18 = 1 7/18 ft = 1.39 ft³

Length of the edge of 1 cube = 1/6 ft

Volume of the 1 cube = (1/6)³ = 1/216 = 0.0046 ft³

Learn more about volume of rectangular prism on:

brainly.com/question/12917973

Answer:

1. 1.3778  2. 0.0089

Step-by-step explanation:

to find the volume of the whole rectangle prism you would have to do the volume formula since it is a 3d shape. VOLUME FORMULA, LxWxH.

so 1x0.83x1.66= 1.3778

you can always convert the fraction into decimal to help you calculate the problem.

i don't know if this is correct but i give it a try, so if the whole volume of the triangle is 1.3378 than you can divide that by the the number of small cubes it has inside.

it is 5 by 10 so there are 150 cubes in total.

1.3378 divided by 150=0.0089

im confident about the 1st but not so much with the second

A circular pool has a diameter of 20 feet. You want to purchase a cover for the pool. What area needs to be covered?

Answers

A=2\pirr^(2)
r=D/2 = 20feet/2 = 10 feet

Therefore,
A=2\pi(10)^(2)
A=200\pi

Find the measure of an angle complementary to 30

Answers

complementary angles add up to 90.

What's...factorise: 25x²-y²?

Answers

Factorising an equation is putting it into bracket form.
This has square numbers and so needs double brackets

(5x - y) (5x+y)
If you then check this by multiplying the brackets out again you will get:
 5x^2 - 5xy + 5xy - y^2

The positive and negative 5xy's cancel each other out and you are left with its original form. Your answer is
(5x - y) (5x+y)

What is the circumference of a circle with a diameter of 4

Answers

Answer:

12.57 is the circumference when the diameter is 4.

Step-by-step explanation:

What percent if 33.5 is 21

Answers

To find percentage one number is of another, you divide the two, with the number that is a percentage as the numerator.
21/33.5 = 0.627
Now, you move the decimal point over to the right two places to form the percentage.
62.7%
21 is 62.7% of 33.5