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strojnjashka [21]
3 years ago
6

Can someone help me with these?

Mathematics
1 answer:
andre [41]3 years ago
8 0

Answer:

Luzilândia baiana não ia já ouvi falar em Maranhão que e Rosa do Brasil na rocha godprl e abaixa e viu neon

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(GIVING BRAINLIEST!!)
vova2212 [387]

Answer: it could be a mangintic force..  Because if two magnets a.k.a the north and south pole magnets are brought together they will push each other away instead of sticking.

Hope this helps

5 0
3 years ago
An urn contains 3 red and 7 black balls. Players and withdraw balls from the urn consecutively until a red ball is selected. Fin
Sliva [168]

Correct question:

An urn contains 3 red and 7 black balls. Players A and B withdraw balls from the urn consecutively until a red ball is selected. Find the probability that A selects the red ball. (A draws the first ball, then B, and so on. There is no replacement of the balls drawn).

Answer:

The probability that A selects the red ball is 58.33 %

Step-by-step explanation:

A selects the red ball if the first red ball is drawn 1st, 3rd, 5th or 7th

1st selection: 9C2

3rd selection: 7C2

5th selection: 5C2

7th selection: 3C2

9C2 = (9!) / (7!2!) = 36

7C2 = (7!) / (5!2!) = 21

5C2 = (5!) / (3!2!) = 10

3C2 = (3!) / (2!) = 3

sum of all the possible events = 36 + 21 + 10 + 3 = 70

Total possible outcome of selecting the red ball = 10C3

10C3 = (10!) / (7!3!)

         = 120

The probability that A selects the red ball is sum of all the possible events divided by the total possible outcome.

P( A selects the red ball) = 70 / 120

                                         = 0.5833

                                         = 58.33 %

7 0
3 years ago
Solve for h<br> -6 &lt; -2h + 14
Sholpan [36]

Answer:

h<10

Step-by-step explanation:

7 0
3 years ago
I'm so bad at math I have bad grades and the term is about to end
kozerog [31]
Answer #1 is 10
Answer #2 is 20%
Answer #3 is 65
Answer #4 is 1/4
Answer #5 is 1, 3, 5, 15
Answer #6 is 7, 14, 21
Answer #7 is Yes
Answer #8 is =
Answer #9 is 0.05 is bigger
Answer #10 is =
7 0
3 years ago
Read 2 more answers
What is 12.4 meter to feet? A. 1.24 ft | B. 24.8 ft | C. 40.68 ft | D. 81.36 ft |
DENIUS [597]
The answer is 40.68 ft
5 0
3 years ago
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