7. a bag contains 6 red and 10 black
marbles. if you pick a marble from the
bag, what is t...
Mathematics, 07.10.2019 18:50 jessnolonger
7. a bag contains 6 red and 10 black
marbles. if you pick a marble from the
bag, what is the probability that the
marble will be black?
8. if you pick a marble, record its color, and
return it to the bag 200 times, how many
times can you expect to pick a black
marble?
i just need the answer to number 8, to answer it you need number 7. the answer to number 7 is 5/8.
Answers: 2
Mathematics, 21.06.2019 16:00
Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm
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Mathematics, 22.06.2019 00:50
Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte
Answers: 3
Mathematics, 22.06.2019 01:10
Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
Answers: 3
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