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BigorU [14]
3 years ago
11

Please help me, I need help I don’t know what to do. Last question.

Mathematics
2 answers:
Marina86 [1]3 years ago
8 0
The complete answer is 5/21
Phantasy [73]3 years ago
4 0

Answer:

B. 5/21 chance

Step-by-step explanation:

The probability he gets the black marker first is 5/7. The probability he gets a blue marker after his black marker not replaced is 2/6 or 1/3. 1/3*5/7 is 5/21

You might be interested in
If 35% people voted for Gary how many people would that be
Mekhanik [1.2K]

35% = .35.

First, you make 35% into a fraction 35/100. Then make it into simplified form.

35 divided by 5 and 100 divided by 5 35/5 = 7 and 100/5 =20.

So,

35%=.35=35/100=7/20

7/20

is your answer


8 0
3 years ago
Tourists from a tour bus were asked about places they visited during their stay in a city. The results are shown in the table.
nlexa [21]
<span>Given:

                             visited museum           didn't visit museum      Total

visited zoo                      9                                     14                           23

didn't visit zoo               5                                        2                              7

Total                             14                                     16                           30

Simply look at the table and check the number that corresponds to visitors who visited the museum but did not visit the zoo. The number is 5. 
Divide it by the total number of people surveyed. Total is 30.

Probability visited the museum but did not visit the zoo = 5/30 = 0.16666 or 16.67%</span>
7 0
3 years ago
7. If a = 3 and b = -1, find the value of 2a - 2b.
Ber [7]

Answer:

hola bolilla cómo andas e bueno ay te gachas

5 0
3 years ago
Austin has $5 more than Mark. If Mark has Δ dollars, write an expression for the amount of money Austin has.
pickupchik [31]
 Let x be Mark's dollars... x + 5 = Austin's dollars....Brainliest?....
6 0
3 years ago
Help with questions 1-4
zalisa [80]

Answer:

happy mothers day

Step-by-step explanation:

---------------------------

4 0
3 years ago
Read 2 more answers
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