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Mariana [72]
3 years ago
12

Anna is conducting a study about the effects of toxins in the water on the hormones of fish. Anna surveys 420 male fish in a riv

er and finds that 130 of the male fish have egg cells growing inside them. According to Anna's survey, what is the ratio of male fish with egg cells to male fish without egg cells in the river?
Mathematics
1 answer:
Dafna1 [17]3 years ago
4 0
130:290 simplified to 13:29
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option D

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3 years ago
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Find the constant of proportionality that creates a direct proportion between x and y,
Fofino [41]

Answer:

y=x

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Something that would create a direct proportionality is y=x because both of them are in an equation which means they are directly proportional

4 0
3 years ago
-8p^4+12p^3+4p^4-8p^2+3p^2
Umnica [9.8K]

Answer:

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3 0
2 years ago
Cole is studying employment trends.
natali 33 [55]

Answer:

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Step-by-step explanation:

So we know that 20% of the social workers he surveyed was 45 people. The easiest way to find all 100% of the social workers is to do 45 x 5 because 20% x 5 = 100%. So 45 x 5 = 225.

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3 years ago
2(n+5)=-2 <br><br> I need the steps
Eva8 [605]

Answer:

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Step-by-step explanation:

2 ( n + 5 ) = -2

First, solve the brackets.

2n + 10 = -2

Now take 10 to the right side.

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Then divide both sides by 2.

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And now you'll the value of n.

n = ( -6 )

6 0
3 years ago
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