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Olin [163]
3 years ago
6

Jan completes 60 trials of pulling colored marbles out of a bag. She pulled green 15 times. If there are 250 marbles in the bag,

how many of them are probably green?
Mathematics
2 answers:
Vilka [71]3 years ago
8 0

Answer:

the answer is 63 green marbles

Step-by-step explanation:

matrenka [14]3 years ago
8 0

Answer:

Green marbles are probably = 62.5.

Step-by-step explanation:

Since Jan completes 60 trials and pulled green 15 times, the probability of any marble being green can be calculated as:

= 15/60

= 0.25

With 250 marbles in the bag, using the probability value of green marbles calculated above, the number of green marbles can be estimated as:

= 0.25 of 250

= 62.5

This shows that since there is a 25% probability of obtaining a green marble from 60 trials of pulling colored marbles out of the bag containing 250 marbles, then the total number of green marbles will be equal to 62 or 63.

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Subtract-X2 + 9x -- 6 from 4x + 8 plz explain​
marta [7]

Answer: -5x+x^(2)+2

Step-by-step explanation:  Simplify the expression.

-X2 + 9x -- 6 from 4x + 8

sorry if im wrong

3 0
3 years ago
The solutions to the inequality y < to -x+1 sre shaded on the graph. Which point is a solution
Citrus2011 [14]
<h3>Answer:  B.  (3,-2)</h3>

There are two ways to confirm this is the answer. The first is to note that (3,-2) is on the boundary, so it is part of the solution set. This only works if the boundary line is a solid line (as opposed to a dashed or dotted line).

The second way is to plug (x,y) = (3,-2) into the given inequality to find that

y \le -x+1\\\\-2 \le -3+1\\\\-2 \le -2

which is a true statement. So this confirms that (3,-2) is in the solution set of the inequality.

7 0
3 years ago
Asap plz help maxium points will mark brainliest
jeka57 [31]

Given statement is False, if a light cost $3, it could be either Green or Yellow.

Converse: If the light bulb was Yellow, then the cost was $3 = True

Contrapositive makes both statements negative and switches the order of the original statement.

So something like:  If the light bulb is not yellow, then the cost would not be $3 = False because two colors cost the $3.

Inverse makes both statements negative but keeps the same order.

Something like : If the light bulb did not cost$3 then the light bulb was not yellow = False because two colors cost the $3.

4 0
3 years ago
Read 2 more answers
5 1/2 candle burn down in 11 hours
jenyasd209 [6]
-5.5 i think if i’m wrong sorry but good luck :)
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3 years ago
If the area of an equilateral triangle is 9√3 sq ft, how long is a side?
tensa zangetsu [6.8K]
<span>Area = 9√3 = (a^2√3)/4 
</span><span>Simplify 
a^2=36 
a=6 the side</span><span>a= 6 ft
Hoped this helped!</span>
3 0
4 years ago
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