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Bumek [7]
2 years ago
5

A bag contains 15 counters:7 red 4 blue and 4 green.a counter is taken out of the bag at random.what is the probability of choos

ing the following: a red or blue counter.
​
Mathematics
2 answers:
Leto [7]2 years ago
6 0

Answer:

RED COUNTER: 7/15

BLUE COUNTER: 4/15

<em>Hope it helps,</em>

<em>for further explanation do contact me</em>

Nikitich [7]2 years ago
3 0

|\Omega|=15\\|A|=7+4=11\\\\P(A)=\dfrac{11}{15}\approx73.3\%

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WITCHER [35]

Answer:

It make 6 circles in a minute.

Step-by-step explanation:

Given:

a ball travels in a complete circle every 10 seconds

i.e

one complete circle = time taken 10 seconds.

Two complete circle = time taken 20 seconds.

Three complete circle = time taken 30 seconds.

Four complete circle = time taken 40 seconds.

Five complete circle = time taken 50 seconds.

Six complete circle = time taken 60 seconds.

60 seconds =  one minute.

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Yuliya22 [10]

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Step-by-step explanation:

3 0
3 years ago
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The ratio of dogs to cats at a local animal shelter is 13/25. Which statement must be true?
Ivan

<em>Option:</em>

<em>a. for every 13 dogs, there are 25 cats. </em>

<em>b. there are twice as many cats as dogs at the shelter. </em>

<em>c. the shelter has more dogs than cats. </em>

<em>d. there are 25 animals in the shelter.</em>

Answer:

a. for every 13 dogs, there are 25 cats.

<em></em>

Step-by-step explanation:

Represent Dogs with D and Cats with C;

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By comparison:

D=13

C = 25

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For every 13 D, there are 25 C

Hence: Option A is true

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Step-by-step explanation:

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LUCKY_DIMON [66]
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