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melmar76
25.04.2020 •
Mathematics
1. What's the probability of throwing a die 4 times and it landing 5 every time? Write your answer as a fraction.
2. Of the 10 shipments Tim received from a CD store, 3 shipments contain CDs that are defective. If Tim randomly chooses 1 shipment to test, what is the probability that the one he chooses contains defective CDs? Write your answer as a decimal.
3. A bag of colored paper clips contain 3 red clips and 6 green clips. What is the probability of pulling out a red clip and then a green clip? (Assume that you don't put the first red clip back in the bag.) Write your answer as a fraction.
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Ответ:
1. 5% (1/20)
2. 3/10 idk put it in google for decimal
3. 1% (1/100)
Step-by-step explanation:
Ответ:
m∠7 = 34°
Step-by-step explanation:
For better understanding of the solution see the attached figure :
From the question, line a is parallel to line b and line c is transversal to both the parallel lines a and b
Next, we name the angles as given in the question and obtain the resulting named figure of the problem.
Now, m∠3 = 34°
Since, a ║ b
⇒ m∠3 + m∠6 = 180° (Sum of co-interior opposite angles is 180°)
⇒ m∠6 = 180° - m∠3
⇒ m∠6 = 180° - 34°
⇒ m∠6 = 126°
Now, m∠6 + m∠7 = 180° (Sum of linear pair is 180°)
⇒ m∠7 = 180° - m∠6
⇒ m∠7 = 180° - 126°
⇒ m∠7 = 34°