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Mnenie [13.5K]
3 years ago
14

Biologists estimate that the number of animal species of a certain body length is inversely proportional to the square of the bo

dy length.1 Write a formula for the number of animal species, N, of a certain body length as a function of the length, L. Use k as the constant of proportionality.
Mathematics
1 answer:
NARA [144]3 years ago
3 0

Answer:

N(L)=\frac{k}{L^2}

Step-by-step explanation:

Here, N represents the number of animal species and L represents a certain body length,

According to the question,

N\propto \frac{1}{L^2}

\implies N=\frac{k}{L^2}

Where, k is the constant of proportionality,

Since, with increasing the value of L the value of N is decreasing,

So, we can say that, N is dependent on L, or we can write N(L) in the place of N,

Hence, the required function formula is,

N(L)=\frac{k}{L^2}

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$350 in the ratio 4:3
kherson [118]

Answer:

$200 : $150

Step-by-step explanation:

Sum the parts of the ratio, 4 + 3 = 7 parts

Divide the total by 7 to find the value of one part of the ratio.

$350 ÷ 7 = $50 ← value of 1 part of the ratio

4 parts = 4 × $50 = $200

3 parts = 3 × $50 = $150

8 0
2 years ago
the length of a rectangle is 8 less than twice the width. the perimeter is 38 feet. Find the length and width. someone please he
Aleksandr-060686 [28]

Answer:L=4 W=15

Step-by-step explanation:

P=2L+2W

38-8=30

If length is 8 less than twice the width and the perimeter is 38, then subtract 38-8 which is 30, then divide 30 by 2 to get 15.

P=2(4) +2(15)

P=38

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3 years ago
Students at Jefferson Elementary School made $3,045 selling 210 equally priced boxes of candy. Which is the best estimate for th
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3,045 = 210x

3,045/210 = 14.5


A good estimate of the cost would be:

$14.50
4 0
2 years ago
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balu736 [363]

Answer:

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Step-by-step explanation:

Plz help timed test I’ll give extra points

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3 years ago
Jamie has 8/10 of a candy bar leftover.He wants to split it into 1/3 pieces.How many 1/3 can he make?
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