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AlekseyPX
3 years ago
14

In a lab experiment, 5300 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to do

uble every 10 hours. How many bacteria would there be after 12 hours, to the nearest whole number?
Mathematics
1 answer:
alex41 [277]3 years ago
4 0

Answer:

yooooo

Step-by-step explanation:

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-6•(-18).......help this is due tomorrow
marin [14]
Two positives multiplied together give us a positive answer. and 18 • 6 is 108.
108 is the answer
hope this helped, xx
7 0
3 years ago
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A pentagonal prism has a height of 9 feet, and each base edge is 3 feet. Find the volume. Round your answer to the nearest hundr
OLga [1]

Height of the pentagon = 9 ft

Edge of base = 3 ft

area of pentagon = \frac{s^{2}n}{4 tan\left ( \frac{180}{n} \right )}

s is the length of any side = 3

n is the number of sides = 5

tan is the tangent function calculated in degrees

\\ \\\\area of pentagon = \frac{3^{2}(5)}{4 tan\left ( \frac{180}{5} \right )}\\\\\\area of pentagon = \frac{9(5)}{4 tan\left ( 36 \right )}\\\\area of pentagon = \frac{45}{4  ( 0.7265 )}\\\\area of pentagon = \frac{45}{2.906}\\\\area of pentagon = 15.4852

Volume of the pentagon = area of base (height )

Volume of the pentagon = 15.4852 (9)

Volume of the pentagon = 139.366

Volume of the pentagon = 139.37 cu.ft


5 0
3 years ago
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Combine like terms. <br> 2ac+4b+6ac-7a-b=
wolverine [178]

Answer:

8ac+3b-7a

Step-by-step explanation:

2ac+6ac+4b-b-7a=

3 0
3 years ago
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Rico spent $44 on 8 toy cars. If each toy car cost the same amount of money, how much did each car cost?
bagirrra123 [75]

Answer:

$5.5

Step-by-step explanation:

Divide 44 into 5 to get what each car costs!

6 0
3 years ago
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A car travels about 34 feet in one second. At this speed,
natta225 [31]

Answer:

C

Step-by-step explanation:

34 * 7= 238

34 feet per second, means that we have to mulitply 7 by 34.

Its really simple!

1 second: 34

7 seconds: ?

for example, if we needed 2 seconds we would muliplty by 2, 34 * 2 because we double it, the same way we would solve that, we would solve 34*7

5 0
3 years ago
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