Ask question

Ask question

All categories

3 years ago

11

G suppose that 8 green balls and 14 purple balls are placed in an urn. two balls are then drawn in succession. what is the proba

bility that the second ball drawn is a purple ball if the first ball is replaced before the second is drawn?

1 answer:

GenaCL600 [577]3 years ago

8 0

Total number of balls = 8 + 14 = 22

P(2nd ball is purple) = 14/22 = 7/11

Answer: 7/11

You might be interested in

"Find an integer, x, such that 5, 10, and x represent the lengths of the sides of an acute triangle.

Contact [7]

A, b, c - the lengths of the sides of the triangle
and a ≤ b ≤ c
then:
a + b > c and if the triangle is an acute triangle then a² + b² > c².

$1^o\\5\leq10\leq x\\\\\left\{\begin{array}{ccc}5+10 \ \textgreater \ x\\5^2+10^2 \ \textgreater \ x^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \ 15\\ x^2 \ \textless \ 125\end{array}\right\to\left\{\begin{array}{ccc}x \ \textless \ 15\\ x \ \textless \ \sqrt{125}\approx11.1\end{array}\right\\\\\boxed{x=11}\\\\2^o\\5\leq x\leq10\\\\\left\{\begin{array}{ccc}5+x \ \textgreater \ 10\\ 5^2+x^2 \ \textgreater \ 10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x^2 \ \textgreater \ 75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x \ \textgreater \ \sqrt{75}\approx8.7\end{array}\right\\\boxed{x=9}$

$3^o\\x\leq5\leq10\\\\\left\{\begin{array}{ccc}x +5 \ \textgreater \ 10\\ x^2+5^2 \ \textgreater \ 10^2\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x^2 \ \textgreater \ 75\end{array}\right\to\left\{\begin{array}{ccc}x \ \textgreater \ 5\\ x \ \textgreater \ \sqrt{75}\approx8.7\end{array}\right\\\boxed{x\in\O}\\\\Answer:\boxed{x=9\ or\ x=11}\to your\ answer:\boxed{\boxed{x=11}}$

8 0

3 years ago

Read 2 more answers

I have no clue how to solve this please help

icang [17]

I'm going to say about 48 square yards.
I'm 50/50 chance wrong

Hope this helps c:

5 0

3 years ago

Jenny’s Gift Shop sells candles in a variety of packages. The cost per candle is the same in every package. A package of 8 candl

charle [14.2K]

Answer:

8 candle = $12.96

1 candle =($12.96/8)

= $1.62

package of 3 candles =3×$(1.62)

: =$4.86

4 0

2 years ago

Write the equation in standard form 4x-3=5y

just olya [345]

4x-3=5y

it would be : 4x - 5y = 3

8 0

3 years ago

Read 2 more answers

BRAINLIEST <br> Please help ASAP and leave a small explanation :)

Andreas93 [3]

1 and 8 are because they are alternate exterior angles

3 0

3 years ago