3 years ago

Andre is making paper cranes to decorate for a party. He plans to make one large paper crane for

Mathematics

1 answer:

UkoKoshka [18]3 years ago

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In one type of state lottery 5 distinct numbers are picked from 1,2,3,...,40 uniformly at random.

belka [17]

Answer: a) 1 / ⁴⁰C₅ b) 0.33

Step-by-step explanation:

a) The sample space consists of all numbers 1-40.

Since any of the number can be taken from the sample space so each of five 5 distinct numbers we take has equal probability of occurring. So probability of each 5 numbers set we take will be equal to 1 / ⁴⁰C₅

If we pick exactly 3 even number then that means other 2 will be odd.

So, we have sample space of 40 numbers out of which 20 are even and 20 are odd.

Now we have to pick 3 even out of 20 and 2 odd out of 20.

Probability = ²⁰C₃ * ²⁰C₂ / ⁴⁰C₅

Probability= 0.33

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3 years ago

Which statement is an example of the symmetric property of congruence?

BabaBlast [244]

The <u>correct answer</u> is:

$\text{D) If }EFG \cong HJK, \text{ then } HJK \cong EFG.$

Explanation:

The symmetric property states that if two quantities are equal (or congruent), you can "flip" them around the equals sign (or congruence sign).

This means since EFG is congruent to HJK, then HJK is congruent to EFG.

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3 years ago

Help 9th grade algebra

Naya [18.7K]

Answer:

Step-by-step explanation:

1. true

2. true

3. true

4. false

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3 years ago