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Nostrana [21]
3 years ago
15

Can u guys help me plzzzzzzzzzzzzzz

Mathematics
2 answers:
Ksivusya [100]3 years ago
4 0

Answer:

31

Step-by-step explanation:

basically the easiest way to do that is to remember that a flat line is equal to 180 degrees, it gave you 149, so all you gotta do is 180-149

horrorfan [7]3 years ago
4 0

Answer:

31

Step-by-step explanation

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What is the answer to 1-5
34kurt

1. EFG

2. F

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FE and FG does the same thing.

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3 years ago
Subtracting fractions...please show your work and out in simplest form
Neporo4naja [7]
For (A.) Get a common denominator, 40/12 - 9/12 = 31/12 or (2 and 7/12)
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Hope this helps!
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3 0
3 years ago
:<br> Which is the solution to –7x &gt; 49?
zvonat [6]
X < -7
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8 0
3 years ago
Read 2 more answers
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
Can someone please help me with this question, ill give brainiest.
Dmitry_Shevchenko [17]

Answer:

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4 0
3 years ago
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