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Sindrei [870]
2 years ago
6

i have a number line the second line has -27 my 3rd and 4th line don't have any numbers but, my 5th line has 0

Mathematics
1 answer:
slavikrds [6]2 years ago
5 0

Answer:

I dont speak English so I can't help anyone

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Solve this. Please and thank you.
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3 years ago
PLEASE HELP ME!!
Ludmilka [50]

Answer:

<h2>The population will reach 1200 after about 2.8 years</h2>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

The population of a certain species of bird in a region after t years can be modeled by the function P(t) = 1620/ 1+1.15e-0.42t , where t ≥ 0. When will the population reach 1,200?

According to question we are to calculate the time t that the population P(t) will reach 1200.To do this we will substitute P(t) = 1,200 into the equation and calculate for the time 't'.

Given;

P(t) = \frac{1620}{1+1.15e^{-0.42t} } \\\\at \ P(t)= 1200;\\\\1200 =  \frac{1620}{1+1.15e^{-0.42t} }\\\\cross\ multiplying\\\\1+1.15e^{-0.42t} = \frac{1620}{1200} \\\\1+1.15e^{-0.42t}  = 1.35\\\\1.15e^{-0.42t} = 1.35-1\\\\e^{-0.42t} = \frac{0.35}{1.15}\\ \\e^{-0.42t}  = 0.3043\\\\Taking \ ln\ of\ both\ sides\\\\lne^{-0.42t}  = ln0.3043\\\\-0.42t = -1.1897\\\\t = \frac{-1.1897}{-0.42} \\\\t = 2.8 years\\\\

The population will reach 1200 after about 2.8 years

6 0
3 years ago
Simplify 6r · s · 4rt. 10rst
Scrat [10]
If the problem is 6r•s•4rt•10rst, then the answer is 240•r^3•s^2•t^2.
4 0
3 years ago
Read 2 more answers
12. Find the area of a circle with a circumference<br> of 11(3.14) feet
sweet-ann [11.9K]

Answer:

A≈9.63

Step-by-step explanation:

Circumference: 11

Using the formulas

A=πr2

C=2πr

Solving forA

A=C2

4π=112

4·π≈9.62887

6 0
2 years ago
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