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Helga [31]
3 years ago
6

How many endpoints are needed to draw ten line segments

Mathematics
1 answer:
timama [110]3 years ago
5 0
20, 10 line segments each with 2 ends = 20
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What is the area of the triangle (-5,-2) (3,-1)
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Step-by-step explanation:

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122

Step-by-step explanation:

x = 180-(180-50-72) = 180-(130 - 72) = 180 - 130 + 72 = 50 + 72 = 122

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Simplify <br><br> 4 - 8 multiply 3/4 + 1/4
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The given equation is 4 - 8 * [3/4 + 1/4]
- 4 * [3/4 + 1/4]
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2 years ago
A grocery bag can be classified as either paper or plastic. Suppose that 85​% of grocery bags are classified as plastic. ​(a) Tw
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Answer:

a) 0.7225

b) 0.5220

c) 0.478

It is not unusual.

Step-by-step explanation:

Probability grocery bags are plastic = 85% = 0.85

a) If two grocery bags are chosen at random, the probability that both grocery bags are plastic would be:

^2C_2 (0.85)^2 (1-0.85)^0

= (0.85)^2 = 0.7225

b) If four bags are chosen at random, the probability that all are plastic:

^4C_4 (0.85)^4 (1-0.85)^0

= (0.85)^4 = 0.5220

Probability all four bags chosen randomly are plastic bags is 0.5220

c) The probability that at least one of four randomly selected grocery bags is paper:

Let's first check for the probability of getting a paper bag.

P(paper bag) = 1 - 0.85 = 0.15

Probability of getting a paper bag is 0.15

Probability that at least one of four randomly selected grocery bags is paper would be:

1 - ^4C_0(0.15)^0 (0. 85)^4

= 1 - (1)(0.85)^4

= 1 - 0.5220

= 0.478

Since the probability that at least one bag is paper, 0.478 is greater than 0.05, it is not unusual.

3 0
3 years ago
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