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2 years ago

15

Someone help me with this please due tomorrow

1 answer:

Aleks04 [339]2 years ago

6 0

1. (x + 6)(x + -12)
2. (x + 10)(x - 10) = x² - 100
3. (x - 6)(x + 17) = x² + 11x - 102
4. (-x + 8)(x - 5) = -x² + 13x - 40
5. (x + 13)(x + 8) = x² + 21x + 104
6. (x + 2)(x + 7) = x² + 9x + 14

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2 years ago

A day can be evenly divided into 86,400 periods of 1 second; 43,200 periods of each 2 seconds; or in many other ways. In total,

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96 ways

Step-by-step explanation:

Given

$Day = 86400\ seconds$

Required

Ways to divide it into period of seconds

What this question implies is to determine the total number of factors of 86400

To start with, we determine the prime factorization of 86400

To do this, we continually divide 86400 by 2; when it can not be further divided, we divide by 3, then 7, then 11...

$86400/2 = 43200$

$43200/2=21600$

$21600/2=10800$

$10800/2=5400$

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$2700/2 = 1350$

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The number of factors d is the solved by:

$d = (a+1)*(b+1) *(c+1)$

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$b = 3$

$c=2$

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$d = (7+1)*(3+1) *(2+1)$

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$d = 96$

<em>Hence, there are 96 total ways</em>

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3 years ago