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3 years ago

Please help me I have no clue how to do it. Thanks, Sincerely, Juanito

Mathematics

2 answers:

serg [7]3 years ago

7 0

The problem is supposed to be multiplied out to show the possible number of combinations.

First you have the three types of meat.

Secondly you have two types of bread.

Thirdly you have four types of condiments.

Assuming the fact you much pick one from each option and only one you must multiply the possible solutions.

3 x 2 x 4 which totals to 24.

So I'm short there are 24 possible sandwiche combinations.

IrinaK [193]3 years ago

5 0

I think there would be 24 combinations.

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Digiron [165]

This looks like were trying to prove a pair of angles of an isosceles triangle are congruent.

To do that we need the fact that it's an isosceles triangle, which is AB=AC.

That's choice A.

None of the other choices make sense just by symmetry. AD=AC, nope the middle and the side, BD=AD, nope, AB=BD, nope.

choice A.

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4 years ago

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Snezhnost [94]

Answer:

d = 5

Step-by-step explanation:

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3 years ago

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3 years ago

How many different 10 person committees can be selected from a pool of 23 people?

Salsk061 [2.6K]

We're going to be using combination since this question is asking how many different combinations of 10 people can be selected from a set of 23.

We would only use permutation if the order of the people in the committee mattered, which it seems it doesn't.

Formula for combination:

$C(n,r)=\dfrac{n!}{(n-r)!r!}$

Where $n$ represents the number of objects/people in the set and $r$ represents the number of objects/people being chosen from the set

There are 23 people in the set and 10 people being chosen from the set

$C(23,10)=\dfrac{23!}{(23-10)!10!}$

$=\dfrac{23!}{13!\times10!}$

Usually I would prefer solving such fractions by hand instead of a calculator, but factorials can result in large numbers and there is too much multiplication. Using a calculator, we get

$=1,144,066$

Thus, there are 1,144,066 different 10 person committees that can be selected from a pool of 23 people. Let me know if you need any clarifications, thanks!

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3 years ago

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erastovalidia [21]

25=1d+3p

139.75=10d=9p

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3 years ago