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matrenka [14]
3 years ago
15

PLZ HELP ill GIVE BRAINIESt!!!!20 Points

Mathematics
1 answer:
Goryan [66]3 years ago
7 0
A) √50 = 2√25 . Her mistake was that she confused the radicand (25) & the outside factor to the radicand that is 2. The write answer is 5√2 & not the opposite

b) Find 2 numbers where their square nears the lower & the upper end of 50.

For instance 7² = 49 & 8² =64 are the nearest lower & upper numbers that encompass 50
Hence we can write the following inequality:  

49<50<64  & √49<√50√64 ==> 7<√50<8

So the √50 is nearer to 7² rather than 8².

Then let's try 7.1² =50.41 Which is an acceptable approximation
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10 POINTS Math unit 5.11! PLEASE HELP
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To write the function to show the weekly growth rate of population , we first find the weekly growth rate by dividing yearly growth rate by 52 ( as there are 52 weeks in an year)

Given function is ,

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or

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To convert in weekly growth rate , divide 0.016 by 52

So formula for weekly growth rate of population is

P=120(1+ \frac{0.016}{52})^{52t}

or

P=120(1+ \frac{1}{3250})^{52t}

And the weekly growth rate = \frac{1}{3250}

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Jlenok [28]

Answer:

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Nina [5.8K]
If x is equaled to 10 then you will place 10 into 3 and it would look like this 3(10) + 5y= 20 now your next step is to multiply 3•10=30 so 30+5y=20 now all you have to do is 20- (-30)= -10 and then divide by 5 and it’s equal to -10/5= -2
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