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Studentka2010 [4]
3 years ago
13

In a Petri dish there are currently 1,235 bacteria. The growth rate of bacteria is 3.25% How many bacteria will be there in the

dish after 5 hours
Mathematics
2 answers:
maxonik [38]3 years ago
6 0

Answer:

....

Step-by-step explanation:

AveGali [126]3 years ago
5 0

Answer:

1,436

Step-by-step explanation:

First multiply the growth rate by the number of hours.

3.25 x 5 = 16.25

Now multiply 1,235 by 100. = 123,500

And also multiply 1235 by the remainder percentage not being used(83.75)= 103,060.75

Now subtract 123,500 - 103,060.75 = 20,439.25

Divide this number by 100 = 204.3925 which is what 16.25% of 1,235 is.

1,235 + 204 = about 1,439 but since i rounded up a few times the answer is actually 1,435.6875 rounded up to 1,436

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Hiroto reduces a rectangular photograph by 0.5 by scanning it onto his computer. The image on the screen measures 3 inches by 5
AnnyKZ [126]

Answer:

<em>The correct option will be:   Rectangle C (Width= 6 and Length= 10)</em>

Step-by-step explanation:

Suppose, the length of the original photograph is x inches and width is y inches.

Hiroto reduces the photograph by 0.5 by scanning it onto his computer.

So, the <u>length of the scanned image</u> =0.5x inches <u>and width</u> =0.5y inches.

Given that, the length and width of the image on the screen are 5 inches and 3 inches respectively. That means.........

0.5x=5\\ \\ x=\frac{5}{0.5}=10\\\\\\ and\\ \\ 0.5y=3\\ \\ y=\frac{3}{0.5}=6

So, the rectangle C represents the original photograph, which has width as 6 inches and length as 10 inches.

4 0
3 years ago
Read 2 more answers
You pay $2.40 for 3/4 pounds of grapes . Your friend buys a pound of grapes at the same time and estimates that he will pay $1.8
Lera25 [3.4K]
You can say that they would have enough for about half a pound alittle more
7 0
3 years ago
Somebody pleaseeee help me
Nimfa-mama [501]

1) 150

2) 11

3) 37

4) 86

5) 1180

6) 369

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6 0
3 years ago
Find the solution to the absolute value<br> equation shown below.<br><br> |9 + 8x|= 25
Savatey [412]

Answer:

25-9

=16

16:8

=2

x=2

Başarılar

4 0
3 years ago
in the year 2001, a person bought a new car for $22000. for each consecutive year after that, the value of the car depreciated b
igomit [66]

Answer:

To the nearest hundred dollars, the car will be worth $17,900 by 2005

Step-by-step explanation:

Firstly, we need to write the depreciation equation

We have this as:

V = I(1 - r)^t

V is the present value which is what we want to calculate

I is the initial value, the amount the cad was bought which is $22,000

r is the rate of change which is 5% = 5/100 = 0.05

t is the time difference which is 2005-2001 = 4

Substituting all these into the depreciation equation, we have it that

V = 22,000(1 -0.05)^4

V = $17,919.1375

To the nearest hundred dollars, that would be;

$17,900

7 0
3 years ago
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