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Taya2010 [7]
1 year ago
8

A box contains 6 red, 3 white, 2 green, and 1 black (total 12) identical balls. What is the least number of balls nevessary to t

ake out randomly ( without looking) to be sure getting, atleast one red ball?
Mathematics
1 answer:
anzhelika [568]1 year ago
5 0

Answer:

7 balls

Step-by-step explanation:

Look for the worst case scenario:

Get 3 white, 2 green, and 1 black.

That adds up to: 3 + 2 + 1 = 6.

+1 red ball: 6 + 1 =7

7 balls

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1 1/4 as a improper fraction ​
ludmilkaskok [199]
That would be
5/4
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Explanation:
This answer is valid because, when you multiply
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1
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8 0
3 years ago
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A media company wants to track the results of its new marketing plan, so the video production manager recorded the number of vie
Alisiya [41]

Answer:

f(x)=5120(1.25)^{x}

Step-by-step explanation:

As per the given question

As we know that

f(x) and x are related by following equation

f(x)=a( {b})^{x}

where

b is the common ratio

Now first we have to compute the value for b which are as follows

\frac{6400}{5120}= 1.25

\frac{8000}{6400}= 1.25

Like if we take the ratio by this method than it comes 1.25

Therefore the common ratio, b = 1.25

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a = 5,120

Hence, the equation which model the relationship between the number of weeks and the number of viewers is

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3 years ago
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Whoever gets it correct first gets brainliest
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3)
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4)
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7 0
2 years ago
The length of a board is 30.75 inches. Bradley cut the board into 3 smaller pieces that were all the same length. Which expressi
Harman [31]

Answer:

The length of each smaller piece, l=L/n inches

Step-by-step explanation:

This can be expressed as;

Total length=Length per piece×number of pieces

where;

The total length=L

length per piece=l

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Substituting in the equation;

L=l×n

To get the length of each smaller piece;

l=L/n inches

solving;

l=30.75/3=10.25 inches

5 0
3 years ago
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