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emmainna [20.7K]
2 years ago
11

g A bag contains 7 nickels, 2 dimes, and 8 quarters. If you draw 3 coins at random from the bag, without replacement, what is th

e probability that you will get a nickel (N), a quarter (Q), and a nickel (N), in that order
Mathematics
1 answer:
timurjin [86]2 years ago
8 0

Answer: sdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Step-by-step explanation:

You might be interested in
Which expressions are equivalent to 2r+(t+r)
irga5000 [103]

Answer:

Option C -> None of the above.

Step-by-step explanation:

Given-

2 r + ( t + r )

<em>⇒ 2 r + t + r</em>

<em>⇒ 2 r + r + t</em>

<em>⇒ 3 r + t</em>

∵ 2 r + ( t + r ) = 3 r + t.

∴ The given expression is equivalent to Option C : None of the above.

8 0
3 years ago
Read 2 more answers
5/8 -0.5 evaluate each expression. Write answer as a decimal
gregori [183]

Answer:

0.125

Step-by-step explanation:

0.5 =1/2

Now

5/8 - 1/2

5/8 - 1*4/2*4

5/8-4/8

(5-4)/8

1/8

0.125

6 0
3 years ago
The population of a local species of dragonfly can be found using an infinite geometric series where a1=42 and the common ratio
san4es73 [151]
\bf \textit{sum of an infinite geometric serie}\\\\&#10;\stackrel{for~~|r|\ \textless \ 1}{S=\sum\limits_{i=0}^{\infty}~a_1r^i\implies \cfrac{a_1}{1-r}}\qquad &#10;\begin{cases}&#10;a_1=\textit{first term's value}\\&#10;r=\textit{common ratio}\\&#10;----------\\&#10;a_1=42\\&#10;r=\frac{3}{4}&#10;\end{cases}&#10;\\\\\\&#10;S=\cfrac{42}{1-\frac{3}{4}}\implies S=\cfrac{42}{\frac{1}{4}}\implies S=164

bearing in mind that, the geometric sequence is "convergent" only when |r|<1, or namely "r" is a fraction between 0 and 1.
3 0
3 years ago
Expand and simplify<br> (x + 1)(x + 7)
zheka24 [161]

Answer: 10x + 7

Step-by-step explanation:

multiply everything

2x + 7x + x + 7

combine like terms

10x + 7

7 0
3 years ago
Thank you<br>if this helps​
Serhud [2]

Answer: 8

Step-by-step explanation:

8/2 + 5 =9 in desmos

4 0
3 years ago
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