At 10:05 a.m., there are 2 microscopic bacteria cells in the bottle. At 10:15 a.m., there are 8 cells in the bottle.
2 answers:
Answer: At 10:20 a.m., there will be 16 cells in the bottle.
At 10:30 a.m. there will be 64 cells in the bottle .
Step-by-step explanation:
Since we have given that
At 10:05 a.m. number of microscopic bacteria cells in the bottle = 2
At 10:15 a.m. number of microscopic bacteria cells in the bottle = 8
It means in every 5 times the number of microscopic bacteria cells in the bacteria gets twice itself.
So, by following the same pattern we can get that,
At 10:20 a.m. number of microscopic bacteria cells in the bottle is given by
Hence, At 10:20 a.m., there will be 16 cells in the bottle.
Similarly,
At 10:25 a.m. number of microscopic bacteria cells in the bottle is given by
At 10:30 a.m. number of microscopic bacteria cells in the bottle will be
Hence, At 10:30 a.m. there will be 64 cells in the bottle .
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Answer:
c) 6x + y = -52 is required equation perpendicular to the given equation.
Step-by-step explanation:
If the equation is of the form : y = mx + C.
Here m = slope of the equation.
Two equations are said to be perpendicular if the product of their respective slopes is -1.
Here, equation 1 : -x + 6y = -12
or, 6y = -12 + x
or, y = (x/6) - 2
⇒Slope of line 1 = (1/6)
Now, for equation 2 to be perpendicular:
Check for each equation:
a. x + 6y = -67 ⇒ 6y = -67 - x
or, y = (-x/6) - (67/6) ⇒Slope of line 2 = (-1/6)
but
b. x - 6y = -52 ⇒ -6y = -52 - x
or, y = (x/6) + (52/6) ⇒Slope of line 2 = (1/6)
but
c. 6x + y = -52
or, y =y = -52 - 6x ⇒Slope of line 2 = (-6)
Hence, 6x + y = -52 is required equation 2.
d. 6x - y = 52 ⇒ -y = 52 - 6x
or, y = 6x - 52 ⇒Slope of line 2 = (6)
but
Hence, 6x + y = -52 is the only required equation .