In how many ways can you choose 2 side dishes out of 8

Answers

Answer 1

Answer: The first choice can be any one of the 8 side dishes.
For each of these . . .
The 2nd choice can be any one of the remaining 7.

Total number of ways to pick 2 out of 8 = (8 x 7) = 56 ways .

BUT ...

That doesn't mean you can get 56 different sets of 2 side dishes.

For each different pair, there are 2 ways to choose them . . .
(first A then B), and (first B then A). Either way, you wind up with (A and B).

So yes, there are 56 different 'WAYS' to choose 2 out of 8.
But there are only 28 different possible results, and 2 'ways'
to get each result.

Answer 2

Answer: I'm about 75% confident in my answer. Saying that, I mean that i'm not always right. I think it's 73

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What shape has 2 lines of symmetry

Answers

A rectangle and a diamond have two lines of symmetry.

there are some
square,circle,rectangle,hexagon,and a diamond
basically these are the ones i can think of but there is more

List the perfect squares between 100 and 500 that are even numbers.

Answers

144 196 256 324 400 484

Answer:

121, 144, 169, 196, 225, 256, 289, 324, 361, 400, 441, and 484.

Step-by-step explanation:

used this page as a reference: https://brainly.ph/question/91919

A wide screen television display measures approximately 15 inches high and 27 inches wide. A television is advertised by giving the approximate length of the diagonal of its screen. How should the television be advertised?A) 36 in.
B) 31 in.
C) 30 in.
D) 21 in.

Answers

The answer would be 31 in.

First do the Pythagorean theorem.

225+ 729= 954

Then find the square root of 954 which is 30.88 repeating, so round up to 31 in.

The answer would be B) 31 in.

Is 49 prime or composite

Answers

If it has any other factors besides ' 1 ' and '49',
then it's composite.

7 is a factor of 49. (In fact, it's two of them.)

So 49 is composite.

Prime because nothing can time to equal it but 1x49.

How many letters are in this????

Answers

q there are q letters

Teresa and Elaine want to know who reads more pages per hour. Teresa keeps track of the number of pages she reads in a graph, and Elaine keeps track of how many pages she reads in a table. How many pages per hour does each girl read, and who reads at a faster rate? Teresa:_____ pages per hour

Elaine:_____ pages per hour

This person who reads faster is:__________(Type T for Teresa or E for Elaine)

Elaine’s Reading Log
Time (h) 2.5 3 5 8
Pages read 70 84 140 224

Answers

Teresa --12÷0.5=24 -- 24 pages per hour
Elaine -- 70÷2.5=28 -- 28 pages per hour
E--Elanie reads the fastest

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