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prisoha [69]
3 years ago
10

7070

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

do you want the answer because i am telling your teacher that you are cheating

Step-by-step explanation:

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What is the unit rate in cost per hour per <br> bicycle for each company
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?

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is there supposed to be a picture with this

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3 years ago
Least to greatest 7/12,0.75,5/6
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Hello there.

<span>Least to greatest 7/12,0.75,5/6

7/12 ,5/6, 0.75</span>
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If the probability of an event is , and there are 28 total outcomes, how many favorable outcomes are there?
Aleks [24]
14 would be our answer
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Complete the tables of values.<br> x 4−x<br> −1 4<br> 0 a<br> 2 b<br> 4 c
Alchen [17]

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12

Step-by-step explanation:

3 0
3 years ago
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One member of the debate team is going to be chosen president. each member is equally likely to be chosen. the probability that
inessss [21]
Let
x-------> <span>the probability that a boy is chosen
B------> </span>number of boys in the debate team
G------> number of girls in the debate team<span>

we know that
B+G=20-----> G=20-B-----> equation 1
</span>probability that a boy is chosen=number of boys in the debate team/total of people
so
x=B/20-------> equation 2

t<span>he probability that a girl is chosen is 2/3 the probability that a boy is chosen
</span>probability that a girl is chosen=(2/3)*x
probability that a girl is chosen=G/20
(2/3)*x=G/20-----> equation 3
substitute equation 1 in equation 3
(2/3)*x=[20-B]/20----> equation 4

resolve the equations system
x=B/20
(2/3)*x=[20-B]/20

using a graph tool
see the attached figure
the solution is
x=0.6
B=12
G=20-12-----> G=8

number of boys in the debate team is 12
number of girls in the debate team is 8
the probability that a boy is chosen is 0.6 ----> 60%
the probability that a girl is chosen is 0.6*(2/3)----> 0.4---> 40%

the answer is
number of girls in the debate team is 8

7 0
3 years ago
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