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nataly862011 [7]
3 years ago
12

A park ranger fears that a harmful fungus might be infecting bluegill panfish in the parks lake. A fisherman offers to help the

ranger by catching a dozen bluegills from his favourite fishing spot on the lake and allowing the ranger to examine them for signs of the fungus. Would these 12 fish be a representative sample of the fish in the lake? Explain why or why not
Mathematics
2 answers:
vladimir2022 [97]3 years ago
6 0

Answer: No, not random. This is not a representative sample because the fish were all from the same location and thus not sufficiently random. Fish in one part of the lake may have the fungus, while fish in the other part may not.

Step-by-step explanation:

They are only getting it from the park rangers favorite spot rather than a variety of spots.

Tatiana [17]3 years ago
5 0

Answer:

Hey l need more info to aswer email me and we can get this done ;)

Step-by-step explanation:

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Select all the events that are possible, but unlikely.
V125BC [204]

Answer:

opening a 300 page book to exactly page 143.

everyone in your school will get to school on time on the next school day.

Step-by-step explanation:

6 0
2 years ago
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(5+4-2)×(-2)=idfkadtsphm
lbvjy [14]
5+4=9   9-2=7 

7x(-2)= (-14)

your answer is -14

6 0
3 years ago
My question is in the attachment.<br>​
Nikolay [14]

Answer:

5 and 25

Step-by-step explanation:

let the son's age be x then the father's age is x + 20

In 5 years

son = x + 5 and father = x + 20 + 5 = x + 25

Then

x + 25 = 3(x + 5) ← father is three times as old as son

x + 25 = 3x + 15 ( subtract x from both sides )

25 = 2x + 15 ( subtract 15 from both sides )

10 = 2x ( divide both sides by 2 )

5 = x and x + 20 = 5 + 20 = 25

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8 0
3 years ago
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Sam earns $12.50 an hour cleaning houses. If he works from 8:00am to 5:00pm,
Mumz [18]
8-5 is 9 hours
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5 0
3 years ago
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Help me please i’m struggling, u don’t have to explain
Rom4ik [11]
<h3>Answer:  10 cm  (choice A)</h3>

====================================================

Explanation:

One equation we could solve is

x/2.5 = 30/7.5

Note the x/2.5 has us dividing the vertical sides, while 30/7.5 is the same idea for the horizontal sides. The order is large over small. You could do small over large, but make sure you keep both sides consistent.

Solving for x leads to...

x/2.5 = 30/7.5

x*7.5 = 2.5*30

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x = 75/7.5

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There are many other possible equations that lead to the same answer. One other possible equation is x/30 = 2.5/7.5

These proportions are possible due to the fact we have similar triangles.

7 0
2 years ago
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