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klio [65]
3 years ago
8

A box contains four red two white and three green marbles all of which are the same size two marbles are selected one after from

the box without replacement what is the probability that marbles are the same color
Mathematics
1 answer:
emmasim [6.3K]3 years ago
7 0

The probability that the marbles selected are of the same colour is; 5/18

<h3>Probability of outcome</h3>

The probability that the marbles are the same colour includes:

  • The probability of 2 reds, 2 whites, 2 greens.

The total number of marbles = 9 marbles.

Since, the selection is without replacement;

The probability of selecting same colour marbles is;

  • {4/9×3/8} + {2/9×1/8} + {3/9×2/8}

The probability of selecting same colour marbles is therefore;

  • 12/72 + 2/72 + 6/72

  • = 5/18

Read more on probability;

brainly.com/question/24756209

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Anna007 [38]

You want to find the time <em>t</em> such that

\$1000 = \$200 e^{0.04t}

Divide both sides by $200 :

\dfrac{\$1000}{\$200} = 5 = e^{0.04t}

Take the logarithm of both sides:

\ln(5) = \ln(e^{0.04t}) = 0.04t\ln(e) = 0.04t

Divide both sides by 0.04 and solve for <em>t</em> :

t = \dfrac{\ln(5)}{0.04} \approx 40.24 \approx \boxed{40}

6 0
3 years ago
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kipiarov [429]
The second one. Hope this helps:)

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3 0
3 years ago
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Blizzard [7]

the volume scales by (1/10)^3. so it would be 48.875*10^-3.

5 0
3 years ago
Factor. m2 + 12m+36​
Art [367]
<h3>Answer: Choice A which is (m+6)^2</h3>

Explanation:

Think of two numbers that multiply to 36 and add to 12. Those two numbers are 6 and 6

6+6 = 12

6*6 = 36

So we can factor it into (m+6)(m+6). Use the FOIL rule to expand it out to get m^2+12m+36 back again.

The expression (m+6)(m+6) is the same as (m+6)^2

8 0
4 years ago
Read 2 more answers
1. BOTANICAL GARDENS One of the displays at a botanical garden is an herb garden planted in the shape of a square. The square me
bija089 [108]

The pathway is 8.46 yards.

<h3>How to find the length of the pathway?</h3>

To find the length of the pathway, it is required to find how long is the diagonal line from one corner of the herb garden to the opposite corner. As shown in the image attached.

The general formula for this is:

  • d = a√2 or diagonal = side√2

Let's apply this formula:

  • d= 6 √2
  • d= 6 x 1.41
  • d= 8.46 yards

Learn more about yards in: brainly.com/question/14516546

4 0
2 years ago
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