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riadik2000 [5.3K]
3 years ago
11

A bacteria culture is grown with a population of 45 million cells and kept under observation the cell population is found to dou

ble every hour what will the population be after four hour
Mathematics
1 answer:
frosja888 [35]3 years ago
4 0
The answer is 360 million or 720 million cells after 4 hours of doubling.
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Is the square of a complex number always a real number? Explain how, please I would like to finish this tonight.
Artemon [7]

Answer:

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7 0
3 years ago
Read 2 more answers
B. The area of another sheet of paper is 200 square inches. Write an equation that
nata0808 [166]

Answer:

200/3n

Step-by-step explanation:

It is a strangely worded question but you are dividing the paper in 3's n times so 3n will be part of the answer and you are dividing 200. So, the answer is 200/3n.

6 0
2 years ago
A statistics practitioner in a large university is investigating the factors that affect salary of professors. He wondered if ev
uysha [10]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The null hypothesis is  H_o :  \beta_1 = 0

 The alternative hypothesis is  H_1 :  \beta_1 \ne 1

Step-by-step explanation:

From the question we are told that

        The number observations is  n =  100

         The  annual salary (in dollars) is  y

          The  mean score on teaching evaluation is  x

          The the relationship between the y and  x is

                y =  \beta_0  +  \beta _1 x + \epsilon

Where  \beta _1 is the mean of the equation so

  The null hypothesis is  H_o :  \beta_1 = 0

   The alternative hypothesis is  H_1 :  \beta_1 \ne 1

         

6 0
3 years ago
Find the sin in the triangle
Ierofanga [76]

Answer:

.324 or 18.9 degrees

Step-by-step explanation:

rule is

sine equals opposite over hypotenuse,

cosine equals adjacent over hypotenuse, and

tangent equals opposite over adjacent

OR

soh cah toa

sine = soh = 12/37 = .324

arcsin(.324) or sin^-1(.324) in DEGREES not radians =

18.9 degrees

6 0
3 years ago
What is the equation of the axis of symmetry of the graph of y+3x_6=-3(x_2)+4
agasfer [191]
Aos= -b/2a so plunin your numbers and you'll get the AOS so you can find the vertex
7 0
3 years ago
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