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k0ka [10]
3 years ago
8

Someone please help me !!

Mathematics
1 answer:
3241004551 [841]3 years ago
6 0

Answer: Y=-13/4 + 4

Hope this helps! :)

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A bacteria triples its original population in 25 hours (A=3A0). How big will its population be in 100 hours?
jeyben [28]

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.

5 0
3 years ago
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Choose the correct classification of 5x + 3x4 − 7x3 + 10 by number of terms and by degree.
pogonyaev

Answer:

Fourth degree polynomial.

Step-by-step explanation:

Took test this answer not third degree polynomial.

6 0
3 years ago
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Plsss help me with this question I’ll mark you
Andru [333]

Answer:

ITS B the second one, 3/2 x 8=12

Step-by-step explanation:

6 0
3 years ago
George purchased a beach ball when the ball is completely filled with air it has a diameter of 12 inches which is closest to the
MArishka [77]

Answer:

The volume of George's beach ball is 904.32 cubic inches.

Step-by-step explanation:

We are given the following in the question:

Diameter of beach  ball,d = 12 inches.

Radius of beach ball =

r = \dfrac{d}{2} = \dfrac{12}{2} = 6\text{ inches}

Volume of beach ball = Volume of sphere =

V = \dfrac{4}{3}\pi r^3

Putting values, we get,

V = \dfrac{4}{3}\times 3.14\times (6)^3\\\\V = 904.32\text{ cubic inches.}

Thus, the volume of George's beach ball is 904.32 cubic inches.

3 0
3 years ago
What is the measure of IL?<br> K<br> O A. 16°<br> 32"<br> B. 32°<br> O C. 64°<br> O D. 1480
MrRissso [65]

Answer:D

Step-by-step explanation:

8 0
3 years ago
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