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3 years ago

If m∠3=115°, find m∠6.

Mathematics

1 answer:

romanna [79]3 years ago

3 0

Answer: 115 degrees

Step-by-step explanation: By the property of alternate interior angles, they are congruent.

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Urn 1 contains two white balls and one black ball, while urn 2 contains one whiteball and ve black balls. One ball is drawn at r

matrenka [14]

Answer:

4/5 is the probability of white ball from urn 2

Step-by-step explanation:

Correct statement of the question is ;

Urn 1 contains two white balls and one black ball, while urn 2 contains one white bait and five black balls. One ball is drawn at random from urn 1 and placed in urn 2. A ball is then drawn from urn 2. It happens to be white. What is the probability that the transferred ball was white?

We solve it ;

Probability of taking out balls from urn 1

a) for white ball

$P(w_{1} )=\frac{2}{3}$

b) for balck ball

$P(b_{1} )= \frac{1}{3}$

If one ball is taken from urn 1 and put in urn 2 (which readily contains one white and five black balls)

Probability of taking out balls from urn 2

a) for white ball

$P(w_{2} )=P(\frac{w_{2} }{w_{1} } ).P(w_{1} )+P(\frac{w_{2} }{b_{1} } ).P(b_{1} )$

$=\frac{2}{7} . \frac{2}{3} + \frac{1}{7}. \frac{1}{3} =\frac{5}{21}$

Then the probability that white ball was transferred from urn 1 to urn 2 is;

$P(\frac{white ball transfer }{w_{2} } )= \frac{P(\frac{w_{2} }{w_{1} } ).P(w_{2} )}{P(w_{2}) }$

$=\frac{ \frac{2}{7}.\frac{2}{3} }{\frac{5}{21} }$

$=\frac{4}{5}$

So, the probability that white ball is drawn from urn 2 is 4/5

4 0

3 years ago

I need help with this question

anastassius [24]

Answer:

Step-by-step explanation:

12 x 10 = 120

8 0

3 years ago

Read 2 more answers

If the diameter of a circle is 19.3, what is the circumference?

vlabodo [156]

Answer:

60.6

Step-by-step explanation:

The formula for finding the circumference of a circle is C = 2πr

C is circumference, π is pi (we'll just us 3.14 here), and r is radius.

The radius is found by dividing the diameter in half.

19.3/2=9.65

So the equation should look like this:

C = 2(3.14)(9.65)

C = 60.602

C = 60.6

6 0

4 years ago

Helppp plzzz I have to submit it today. Look at the figure.

choli [55]

Answer:

angle DGE= 24 Degree

arc GF= 146degree

Step-by-step explanation:

angle DGE is inscribed in arc DE and arc DE is 48 degree , as we know inscribed angle is half of the arc subyending it , so half of 48 is 24 degree

arc GF subtended the angle GEF which is equal to 73 degree , and this angle is inscribed , if we say inscribed angle is half of the arc subtending it , this means the arc is twice of inscribed angle , so twice of 73 is 146 degree so

angle DGE =24 degree &

ARC GF=146 degree

7 0

3 years ago

This is my last one please anyone

jarptica [38.1K]

5 x 5 x 5 = 125
since the perimeter is 20, and there are four sides, each side would be 5 since it is a square. then you do l x w x h and get 125

8 0

3 years ago