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Alex_Xolod [135]
3 years ago
11

A marble is randomly selected from a bag. The probability of selecting a marble with dots on it is 0.2. The probability of selec

ting a marble that is both purple and has dots on it is 0.1. What is the probability of selecting a purple marble given that the marble has dots on it? Enter your answer as a decimal below
Mathematics
1 answer:
MrRa [10]3 years ago
6 0

Answer:

0.1 as the probability of a purple marble with dots on it is 0.1

Step-by-step explanation:

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Well you can try to use a calculator, like the one on google. I can try to help if you really need it.

Step-by-step explanation:


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Work out the surface area of this cylinder.<br> Radius= 12 cm<br> Height= 35 cm
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3543.72 cm^2.

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7 0
3 years ago
What 2 numbers add to get 2 and multiply to 4
rusak2 [61]
Factor 4
4=1 times 4
2 times 2
they don't add to 2
set up equation
x+y=2
xy=4

first equation, subtract x from both sides
y=2-x
subsitute for y
x(2-x)=4
distribute
2x-x^2=4
add x^2
2x=x^2+4
subtract 2x
0=x^2-2x+4
use quadratic formula which is
if you have ax^2+bx+c=0 then
x=\frac{ -b+/-\sqrt{b^{2}-4ac} }{2a} so

1x^2-2x+4=0
a=1
b=-2
c=4
x=\frac{ -(-2)+/-\sqrt{(-2)^{2}-4(1)(4)} }{2(1)}
x=\frac{ 2+/-\sqrt{4-16} }{2}
x=\frac{ 2+/-\sqrt{-12} }{2}
we have \sqrt{-12} and that doesn't give a real solution
therefor there are no real solutions
but if you want to solve fully
x=\frac{ 2+/-2\sqrt{-3} }{2}
i=\sqrt{-1}
x=\frac{ 2+/-2i\sqrt{3} }{2}
x=1+/-i\sqrt{3}
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6 0
3 years ago
Pls help I need a good grade
Gemiola [76]

Answer:

Step-by-step explanation:

CArnival:E,D,B CATACOMBS:A,C,F

6 0
2 years ago
PLZ HELP ANSWER BY TODAY
Ivahew [28]

X = 29

Explanation:

Rigt angle means 90°

Here 2x + 32 = 90

so, 2x = 90 - 32

2x = 58

x = 58÷2

x = 29

7 0
2 years ago
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