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3 years ago

How many cards are in a standard deck of cards? What are their colors?

Mathematics

2 answers:

sergey [27]3 years ago

8 0

Answer:

A standard deck of cards consists of 52 cards. The colors are usually black for the spades and clubs and red for the hearts and diamonds.

Step-by-step explanation:

Alexus [3.1K]3 years ago

8 0

Answer:

There are 52 cards which are either red or black

Step-by-step explanation:

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If three prime numbers are randomly selected from the prime numbers less than 30 and no prime number can be chosen more than onc

Dmitry [639]

Answer:

C)30%

Step-by-step explanation:

Prime numbers less than 30 are given below

2,3,5,7,11,13,17,19,23,29

We have to find the probability that sum of three prime numbers selected will be even.

We know that

Sum of any three prime number except 2 will be odd.

Total prime numbers except 2=9

Total prime numbers=10

Probability:P(E)= $\frac{favorable\;cases}{total\;number\;of\;cases}$

Probability of getting sum of three prime numbers selected will be odd= $\frac{9C_3}{10C_3}$

$nC_r=\frac{n!}{r!(n-r)!}$

By using formula

Probability of getting sum of three prime numbers selected will be odd=P(E)= $\frac{\frac{9!}{3!6!}}{\frac{10!}{3!7!}}=\frac{9!}{3!6!}\times \frac{3!\times 7\times 6!}{10\times 9!}$

Probability of getting sum of three prime numbers selected will be odd=P(E)= $0.7$

Probability of getting sum of three prime numbers selected will be even=P(E')=1-0.7=0.3= $0.3\times 100=30$ %

By using formula P(E')=1-P(E)

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3 years ago

What’s the answer to this? You have to estimate

bazaltina [42]

0.19579831 (that's what my math app said the estimate was)

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3 years ago

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Which theorem can you use to show TVR is congruent SRV? SAS, AAS, ASA or SSS?

GalinKa [24]

Answer:

ASA RULE

Step-by-step explanation:

As 2 angles are given and RV is common in both trianlges hence TVR is congruent to SRV by ASA rule

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3 years ago

I need this whole page solved please

Nuetrik [128]

Answer:

5. 540°

Step-by-step explanation:

m<a + m<c = 180°

m<h + m<f = 180°

m<k + m<m = 180°

Then m<a + m<c + m<h + m<f + m<k + m<m = 180° x 3 = 540°

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2 years ago

Algebra question: Anita rides her bike 82.4 miles each month. Which is the best estimate of the total distance Anita bikes in 6

alekssr [168]

<u><em>*(Answer)*=</em></u> $494.4$

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3 years ago

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