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mylen [45]
2 years ago
12

Which shows the expression? I NEED HELP RIGHT NOW PLEASE!!!

Mathematics
1 answer:
Lana71 [14]2 years ago
7 0

Answer:

the 3rd option

Step-by-step explanation:

I think it is tye 3rd option from the options u have

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At an art exhibition there are 12 paintings of which 10 are original. A visitor selects a painting at random and before decides
Reika [66]

Answer:

a) 0.8333

b) 0.75

c) 0.8181 or 0.9090

Step-by-step explanation:

a)

The probability the visitor selects an authentic painting is  

10/12 = 0.8333

b)

Since the opinion of the expert does not depend on your choice, the events are <em>independent</em>, so the probability that the expert says is authentic and it really is, is

0.8333*0.9 = 0.75

c)

If the expert decides the painting is a copy and it is not, then there are 11 paintings of which 9 are authentic, so the probability the visitor selects a new original painting is

9/11= 0.8181

If the expert decides the painting is a copy and it is, then there are 11 paintings of which 10 are authentic, so the probability the visitor selects a new original painting is

10/11= 0.9090

8 0
3 years ago
Which number is a factor of 24, but not a multiple of 2
Montano1993 [528]
A factor of 24 but not 2 it would be 3
6 0
3 years ago
Read 2 more answers
Pls Help ASAP..................
AlekseyPX

Answer:

1. 8+(30/(2+4)) = 8+(30/6) = 8+5 = 13

2. ((8+30)/2)+4 = (38/2)+4 = 19+4 = 23

Step-by-step explanation:

:)

4 0
2 years ago
Read 2 more answers
The probability that the card drawn from a standard 52-card deck is queen is​
Fed [463]

There are 4 queens in a deck of cards.

You have 4 chances out of 52 total cards to get a queen.

The probability is 4 queens / 52 cards = 4/52, which can be reduced to 1/13

6 0
3 years ago
You have a set of 10 cards numbered 1 to 10. You choose a card at random. Event A is
Evgesh-ka [11]

Answer:

35% or 35/100

Step-by-step explanation:

Gage Millar, Algebra 2 tutor

Choosing a number LESS than (not equal to 8) is 7/10 (1,2,3,4,5,6,7)

Chosing an even number is 5/10 (2,4,6,8,10)

so just multiply 7/10 x 5/10 to get 35 over 100, or a 35% chance

6 0
3 years ago
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