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olganol [36]
3 years ago
5

Please Help......

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
7 0
This is the answer to it

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7 is subtracted from a number y. then the result is multiplied by 3. the final answer is less then or equal to 12.
djyliett [7]

7 is subtracted from a number y. y-7

Then the result is multiplied by 3. 3*(y - 7)

The final answer is less then or equal to 12. 3*(y - 7)≤12


3*(y - 7)≤12

y-7≤4

y≤ 11

5 0
3 years ago
What is the answer to 3x+5/x-3
svlad2 [7]

Answer:

Step-by-step explanation:

5x

4 0
3 years ago
A culture started with 5000 bacteria after three hours it grew 6500 bacteria predict how many bacteria will be present after 13
charle [14.2K]

Answer:

15595 bacteria will be present after 13 hours.

Step-by-step explanation:

Continuous population growth:

The continuous population growth model, for the population after t hours, is given by:

P(t) = P(0)e^{rt}

In which P(0) is the initial population and r is the growth rate.

Started with 5000 bacteria

This means that P(0) = 5000

So

P(t) = 5000e^{rt}

After three hours it grew 6500 bacteria:

This means that P(3) = 6500. We use this to find r.

P(t) = 5000e^{rt}

6500 = 5000e^{3r}

e^{3r} = \frac{65}{50}

\ln{e^{3r}} = \ln{\frac{65}{50}}

3r = \ln{\frac{65}{50}}

r = \frac{\ln{\frac{65}{50}}}{3}

r = 0.0875

So

P(t) = 5000e^{0.0875t}

How many bacteria will be present after 13 hours?

This is P(13). So

P(13) = 5000e^{0.0875*13} = 15594.8

Rounding to the nearest whole number

15595 bacteria will be present after 13 hours.

7 0
3 years ago
Plzzzzz help! <br> What is the perimeter of the composite figure?
never [62]

Answer:

107.5 cm

Step-by-step explanation:

find the length of the missing side of triangle which is 22.5 rounded then add all the sides together

7 0
3 years ago
plz helo show work or use equation to show how they got this answer just show work plz btw use link get banned
jenyasd209 [6]

Answer:

thx for the points

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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