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Katarina [22]
3 years ago
13

A bacteria has a doubling period of 5 days. If there are 2350 bacteria present now, how many will there be in 22 days?

Mathematics
1 answer:
topjm [15]3 years ago
6 0
First abswer is 51700
Sexond answer is 10340
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A University wanted to find out the percentage of students who felt comfortable reporting cheating by their fellow students. A s
Alla [95]

Answer:

The point estimate for this problem is 0.48.

Step-by-step explanation:

We are given that a University wanted to find out the percentage of students who felt comfortable reporting cheating by their fellow students.

A survey of 2,800 students was conducted and the students were asked if they felt comfortable reporting cheating by their fellow students. The results were 1,344 answered "Yes" and 1,456 answered "no".

<em>Let </em>\hat p<em> = proportion of students who felt comfortable reporting cheating by their fellow students</em>

<u></u>

<u>Now,  point estimate (</u>\hat p<u>) is calculated as;</u>

                               \hat p=\frac{X}{n}

where, X = number of students who answered yes = 1,344

            n = number of students surveyed = 2,800

So, Point estimate (\hat p)  =  \frac{1,344}{2,800}

                                     =  <u>0.48 or 48%</u>

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3 years ago
Write the number 2,900 in scientific notation.
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29^100
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75.072 divided by 9.6
Reil [10]

Answer:

7.82

Step-by-step explanation:

I solved it

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1320/5280 in simplest form?
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1320/5280 in the simplest form is 1/4 
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After a dilation with center (0,0) the image of DB is D’B’ if DB=6 and D’B’=2 the scale factor of dilation is what ?
bezimeni [28]

Answer:

scale factor = \frac{1}{3}

Step-by-step explanation:

the scale factor is the ratio of corrresponding sides. image to original.

scale factor = \frac{D'B'}{DB} = \frac{2}{6} = \frac{1}{3}

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2 years ago
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