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romanna [79]
3 years ago
5

True or false.

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0
Answer - true

explanation- because i know
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What is 7.58e8 Expressed the standard notation
kvasek [131]
<span> 7.58e8
= </span><span> 7.58 x 10^8
= 758,000,000</span>
5 0
3 years ago
If 6 cards are drawn at random from a standard deck of 52 cards, what is the probability that exactly 2 of the cards are spades?
nataly862011 [7]

Answer:

<em>The probability of getting exactly 2 of the cards are spades out of 6 cards will be </em><em>0.315</em>

Step-by-step explanation:

6 cards are drawn at random from a standard deck of 52 cards.

The number ways 6 cards can be drawn from a deck of 52 cards will be,

=\ ^{52}\text{C}_6=20358520

In a deck of 52 cards, 13 cards are of spades. So drawing 2 spades out of 13 is,

=\ ^{13}\text{C}_2=78

As exactly 2 must be spades, so the remaining 4 cards must be drawn from other 39 cards of other suits. This can be done in,

=\ ^{39}\text{C}_4=82251

The probability of getting exactly 2 of the cards are spades out of 6 cards will be,

=\dfrac{\ ^{13}\text{C}_2\times ^{39}\text{C}_4}{\ ^{52}\text{C}_6}=\dfrac{78\times 82251}{20358520}=0.315

4 0
3 years ago
5,000 people visited a book fair in the first week. The number of visitors decreased by 12.5% in the second week. How many peopl
julsineya [31]

Answer:

<u>4,375</u> people visited the book fair in the second week.

Step-by-step explanation:

1) 5,000 x 0.125 = 625

2) 5,000 - 625 = 4,375

7 0
3 years ago
If the solution of an equation is x=-2 what could the original equation be?
Katyanochek1 [597]

There are an infinite number of possibilities.
Here's one:

         6x + 107 = -77x - 59

 

5 0
3 years ago
Read 2 more answers
Need help if want points.<br>choose your answer​
Arisa [49]
I’m not sure so I’m gonna take an educated guess. I think it’s 1/3x
6 0
3 years ago
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