Aculture started with 2,000 bacteria. after 7 hours, it grew to 2,600 bacteria. predict how many bacteria will be present after 15 hours. round your answer to the nearest whole number

Look at explanation for answer...

Step-by-step explanation:

This could be turned into a simple proportion if you want to do it that way :)

1.) First, use the proportion bacteria over time.

2.) It should set up to look like this:  2,600        X

                                                            =

                                                               7             15

3.) You then do your math (2,600 * 15) (39,000 / 7)

Your answer then comes out to be: (rounded) 5,571 bacteria

the answer is 3,512.  I just took the test and got the answer below me wrong.  So, this should be what you are looking for.

Step-by-step explanation:

step-by-step explanation:

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x = 10.1

step-by-step explanation:

all of the angles of a tirangle add up to 180º

180 - 65 = 115 (since we already know the value of one angle)

(2x + 7) + (8x + 7) = 115

(combins like terms) 10x + 14 = 115

(isolate the variable subtract 14 from both sides): 10x = 101

(find the variable divide both sides by 10): x = 101/10

x = 10.1