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tigry1 [53]
3 years ago
7

In a lab experiment, 50 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to doub

le every 20 hours. How many bacteria would there be after 8 hours, to the nearest whole number?​
Mathematics
2 answers:
timurjin [86]3 years ago
8 0
Divide 50 and 20 and you get 2.5 then multiply that with 8 and you’ll get 20
THE ANSWER IS 20
kolbaska11 [484]3 years ago
4 0

Answer:

y=65.975395539

y≈66

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-3(-5)-3y=-6 find the value of y
julia-pushkina [17]

-3 (-5) - 3y = -6

15 - 3y = -6

-3y = -6 + (-15)

-3y = -21

y = -21 / -3

y = 7

The value of y is 7.

6 0
3 years ago
Barbara is a research biologist for Green Carpet Lawns. She is studying the effects of fertilizer type, temperature at time of a
slega [8]

Answer: 90

Step-by-step explanation:

Given : The number of fertilizer types = 6

The number of temperature zones =5

The number of water treatments=3

The number of different lawn plots =6\times5\times3=90

Hence, the number of different lawn plots she needs in order to test each fertilizer type, temperature range, and water treatment configuration =90

5 0
3 years ago
Read 2 more answers
Explain tge distace formula. then use it to calculate the distance between A(1,1) and B(7,-7).
Juliette [100K]
The distance formula is based on the Pythagorean Theorem:

Distance = Square Root [(X2 - X1)^2<span> + (Y2 - Y1)^</span>2<span>]
</span>Distance = Square Root [(7 -1)^2 + (-7 -1)^2]
Distance = Square Root [ 6^2 + -8^2]Distance = Square Root [ 36 + 64 ]Distance = Square Root [100 ]Distance = 10
Source:http://www.1728.org/distance.htm

5 0
3 years ago
21g = 84<br><br> A. g = 3<br><br> B. g = 4<br><br> C. g = 5
natta225 [31]
21g=84
g=84/21
g=4

The answer is B
6 0
3 years ago
Read 2 more answers
4 = -8 - x What is x?
Stels [109]

Answer:

2

Step-by-step explanation:

a negative x negative is always a positive

a negative x positive is negative

a positive x positive is negative

7 0
3 years ago
Read 2 more answers
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