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Savatey [412]
3 years ago
9

To determine the number of trout in a​ lake, a conservationist catches 132 ​trout, tags them, and throws them back into the lake

.​ Later, 22 trout are​ caught; 11 of them are tagged. How many trout would the conservationist expect to be in the​ lake?
The conservationist would expect that there are how many trout in the lake?
Mathematics
1 answer:
Drupady [299]3 years ago
4 0
I wish I knew I’m havin trouble
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Somebody help #9 geometry
IrinaK [193]

Answer:

41.1units^2

Step-by-step explanation:

A=\frac{h_{b}b }{2} \\=\frac{8*4}{2} \\=16units^2(triangle)

A=\frac{\pi r^2}{2}\\\frac{\pi 4^2}{2}\\=25.13units^2(semicircle)

Add both together

16+25.13\\=41.13units^2

4 0
3 years ago
Find the perimeter 8ft 11ft
Irina18 [472]
8x2=16 and 11x2=22 all you have to do is add 16+22 and that gives you 38 i hope this helped
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3 years ago
Read 2 more answers
Need help on this question thanks
Zarrin [17]

Answer:median

Step-by-step explanation: because median is used to be in the middle so those are numbers that would be in the middle, and if you add them up it would contain a high amount of number but if you subtract half you get your answer, and your Welcom!

4 0
3 years ago
Solve the equation for x, where x is a real number (5 points): <br> -2x^2 + 5x - 10 = 3
KatRina [158]
Subtract 3 from both sides so that the equation becomes -2x^2 + 5x - 13 = 0.
To find the solutions to this equation, we can apply the quadratic formula. This quadratic formula solves equations of the form ax^2 + bx + c = 0
                                      x = [ -b ± √(b^2 - 4ac) ] / (2a)
                                      x = [ -5 ± √((5)^2 - 4(-2)(-13)) ] / ( 2(-2) )
                                      x = [-5 ± √(25 - (104) ) ] / ( -4 )
                                      x = [-5 ± √(-79) ] / ( -4)
Since √-79 is nonreal, the answer to this question is that there are no real solutions.
3 0
3 years ago
A diagonal support beam is attached to the gate of a fence as shown. Which angles must be congruent in order for the top and bot
statuscvo [17]
Where is it shown? You need to attach a picture or something.

5 0
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