<span>The equation is pretty straightforward. Basically, if 10^13 bacteria multiplies in 100 hours. We seek to know how many bacteria multiply per hour.
So if 10^13 bacteria mulitply in 100 hours
Then X bacteria multiply in an hour.
Hence X bacteria * 100 hours = 10 ^13 bacteria * 1 hour.
X = 10 ^13 * 1 / 100= 10^(13-2) 10^11. Basically, 10^11 bacterias multiply in an hour.</span>
Answer:
$27
Step-by-step explanation:
b will be the number of books and p will be the price, now we just use a system of equations
bp = 864
b=864/p
(b+4)(p-3) = 864
(864/p +4)(p-3) = 864
864 - 2592/p + 4p -12 = 864
864p - 2592 + 4p^2 -12p - 864p = 0
4p^2 -12p -2592 = 0
4(p^2 - 3p -648) = 0
4((p - 3/2)^2 - 2601/4) = 0 (completed the square here)
4(p - 3/2)^2 -2601 = 0
p = +/-51/2+3/2
p = 27 or -24
A negative price doesn't make sense so it's 27, now we go back to the other equation if you want to find the number of books.
b=864/p
b = 864/27
b = 32
The linear equation is
slope-intercept form y=-3x+18
standard form 3x+y=18
slope is -3
y intercept is (0,18)
Answer:
8
Step-by-step explanation:
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