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WARRIOR [948]
3 years ago
15

A bag contains 7 red marbles, 8 blue marbles and 3 green marbles. If three marbles are drawn out of the bag, what is the exact p

robability that all three marbles drawn will be blue?
Mathematics
1 answer:
ddd [48]3 years ago
5 0
We know that
P= no or frequency of desired object / total number of objects
So,
T= 7+8+3=18
p=8/15
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Westkost [7]

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\frac{2}{21} i think

Step-by-step explanation:

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If f(x) = x2 + x, find f(-3).<br> -12<br> 3<br> 6
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4 0
2 years ago
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Need help please! Not sure how to do this
Kisachek [45]
This problem is fairly simple if you know the exponential equation, you start with y=78(.17)^x. the you put 10=78(.17)^x, then you solve for x 

10=78(.17)^x 
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3 0
3 years ago
Integrate the following: ∫<img src="https://tex.z-dn.net/?f=5x%5E4dx" id="TexFormula1" title="5x^4dx" alt="5x^4dx" align="absmid
Fiesta28 [93]

Answer:

A. x^5+C

Step-by-step explanation:

This is a great question! The first thing we want to do here is to take the constant out of the expression, in this case 5. Doing so we would receive the following expression -

5\cdot \int \:x^4dx

We can then apply the power rule " \int x^adx=\frac{x^{a+1}}{a+1} ", where a = exponent ( in this case 4 ),

5\cdot \frac{x^{4+1}}{4+1}

From now onward just simplify the expression as one would normally, and afterward add a constant ( C ) to the solution -

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x^5 - And now adding the constant we see that our solution is option a!

3 0
3 years ago
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