1584 lightbulbs would be defective out of 4400
The explorer's running velocity will be 1/3 the velocity of the train, 45/3 = 15.
From those issue statement, the train will a chance to be at the begin of the span The point when those voyagers have run 1/3 of the period of the span. In they run of the much end of the bridge, they will bring run 1/3 of the length of the span when those prepare achieves the close to wind. Beginning starting with those 1/3 point, they will make toward those 2/3 perspective At those prepare achieves those span. The prepare will travel the full period of the span in the the long haul it takes those voyagers to run those remaining 1/3. Accordingly the train must travel toward three times the running speed of the voyager. Train = 45 mph, voyagers = 15 mph.
The speed of P&D = 15 mph
Answer:
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Step-by-step explanation:
Okay. so, there are 1,440 minutes in one day. 1,440 * 365 is 525,600. There are 525,600 minutes in one year. 525,600 * 78 is 40,996,800. The average person lives 40,996,800, which is without a doubt way over 1 million minutes, so yes. The average person lives over 1 million minutes. Living 1 million minutes or less would mean that you would live less than 2 years. That's just barely starting to enter the toddler years.
This is an example of difference of two squares, because 49 is a squared number. Thus, you can write it in the form, (a + b)(a - b).
Thus, [(x - 3) + 7][(x - 3) - 7] = 0
(x + 4)(x - 10) = 0
And the zeros are at: x = -4, 10
