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Naya [18.7K]
3 years ago
14

QUICK Please !!

Mathematics
1 answer:
Nataly [62]3 years ago
8 0
Its b since the number has a decimal which makes it undetermined

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Plz help I don’t know it
Arte-miy333 [17]

Answer:

Ummmm I have no idea but if I have time to anwser I wold

Step-by-step explanation:

8 0
3 years ago
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a bacteria triples it’s original population in 25 hours (A=3A0). How big will it’s population be in 100 hours
Maru [420]

Answer:

81 times the original size

Step-by-step explanation:

AA0ktA=3A0=?=?=25hours=A0ekt

Substitute the values in the formula.

3A0=A0ek⋅25

Solve for k. Divide each side by A0.

3A0A0=e25k

Take the natural log of each side.

ln3=lne25k

Use the power property.

ln3=25klne

Simplify.

ln3=25k

Divide each side by 25.

ln325=k

Approximate the answer.

k≈0.044

We use this rate of growth to predict the number of bacteria there will be in 100 hours.

AA0ktA=3A0=?=ln325=100hours=A0ekt

Substitute in the values.

A=A0eln325⋅100

Evaluate.

A=81A0

At this rate of growth, we can expect the population to be 81 times as large as the original population.

7 0
3 years ago
Please helpp<br> What is the area of the purple region? <br> What is the area of the green region?
butalik [34]

what do we need to know:

the radius of the semi circles;

the area of:

  purple region = area of a circle = pi * r^2;

  green region = base * height;

what we know:

the base, 28m;

what the sum of the two diameters is, 28;

the length of a single diameter, 14;

what we can assume:

the two semi-circles are equal, as otherwise i cannot see a way to answer this;

the radius of the two semi-circles, 7m as the two diameters = 28, & d/2 = r

what does that mean:

the height is 17m

green region area = 476 m^2

purple region area is = 153.96 m^2

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3 years ago
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Sidana [21]

Answer:

600in³

Step-by-step explanation:

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miv72 [106K]

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Step-by-step explanation:

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3 years ago
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