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PilotLPTM [1.2K]
3 years ago
12

Is anyone willing to please give me a brainliest on one of your questions? I just need 1 more brainliest crown, and then i go up

a ranking! :D
Mathematics
2 answers:
Rashid [163]3 years ago
8 0

Answer:

yes suree

Step-by-step explanation:

UNO [17]3 years ago
3 0

Answer:

...........................

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In a lab experiment, 720 bacteria are placed in a Petri dish. The conditions are such that the number of bacteria is able to dou
MakcuM [25]

Answer:

22.4 hours

Step-by-step explanation:

The population of bacteria is modelled by the equation:

P=P_0e^{rt}

From the the question, the initial population of bacteria is 720.

So after 26 hours, we have:

P=2P_0

This implies that:

2P_0=P_0e^{26r}

2=e^{26r}

26r =  ln(2)

r =  \frac{ ln(2) }{26}

r = 0.0267

We want to find how long it will take for there to be 1310 bacteria present.

1310=720e^{0.0267t}

\frac{1310}{720}  =  {e}^{0.0267t}

\ln(\frac{1310}{720})  = {0.0267t}

0.59853= {0.0267t}  \\ t =  \frac{0.59853}{0.0267}

t = 22.417

To the nearest tenth , it will take 22.4 hours

6 0
3 years ago
Help please. Im stuck
LUCKY_DIMON [66]

Answer:

16 units squared

Step-by-step explanation:

First, calculate the distance between (0, 0) and (0, 4). The distance is in y, so there are 4 units in-between.

Next, calculate the distance between (0, 0) and (4, 0). This time, the distance is in x, but it is still four.

We know the dimensions of the shape are 4x4 so we just multiply.

4*4=16

3 0
2 years ago
The cost of 7 apples is $2.10. What is the constant of proportionality that relates to the number of apples ,x, to the cost in d
Tomtit [17]

Answer:

y is the number of apples.

Step-by-step explanation: Because if x is the cost for one apple then y is for the number of apples.

4 0
2 years ago
Chareese reflects figure RSUT over the y-axis and then rotates the reflected figure 180 about the origin, resulting in figure A.
rewona [7]
Accurate. A reflection will change the direction the vertices trace around the figure. A rotation preserves the change.<span>
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7 0
3 years ago
Read 2 more answers
What is the domain of y=log5x?
Leona [35]
There  are no real values for log  of 0 or negatives.

So the answer is B
4 0
2 years ago
Read 2 more answers
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