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qaws [65]
2 years ago
10

A study was conducted on dolphins born in 2016 in a certain region of the ocean. Ten of the 250 dolphins studied were born with

one fin shorter than the other. There were a total of 1000 dolphins born with one fin shorter than the other in 2016 in this region of the ocean.
How many total dolphins were born in 2016 in this region of the ocean?
Mathematics
2 answers:
kodGreya [7K]2 years ago
6 0
I believe it’s 40 if you’re trying to ask how many dolphins with short fins in 2016 in that part of the region :)
amm18122 years ago
4 0

Answer:

25,000

Step-by-step explanation:

i think because 10 times 100 gets 1000 so now you have to do 250 times 100 to get 25,000

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Eva8 [605]

Answer:

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Step-by-step explanation:

Let us go through each of the equations one by one.

Equation A: 2.3y+2+3.1y=4.3y+1.6+1.1y+0.4

This simplifies to

5.4y+2=5.4y+2

which has infinitely many solutions.

Equation B: 32x+25-21x=10x

this simplifies to

x+25=0

x=-25

which is exactly one solution.

Equation C: \frac{5}{8} x+2.5=\frac{3}{8}x+1.5+\frac{1}{4} x

this simplifies to

\frac{5}{8} x+2.5=\frac{5}{8} +1.5

2.5=1.5

There's no way this is going to be possible; this equation has no solutions.

Equation D: \frac{1}{3} x+\frac{1}{7} x=\frac{3}{7} x

this gives

\frac{1}{3} =\frac{2}{7} y

y=\frac{7}{6}

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Thus we see that it is equation C that has no solutions.

3 0
3 years ago
I need help please and thank u,
Alchen [17]

The illegal values of b are when the denominator equals 0.

So, b^2-2b-8=0 gives you (b-4)(b+2)=0

Therefore, b=4 and b=-2, which is answer A.


8 0
3 years ago
Ana's class earns points for helping others. The graph shows the number of points the class earned each day for a week.How many
algol [13]

Answer:Gimme a sec

Step-by-step explanation:

3 0
3 years ago
In the spelling bee contest, Jan answered 6 out of 8 questions correctly, Kara answered 78% of her questions correctly, and Bett
eduard

Answer:

2/5 = 40%

43%

13/19 = 68.4%

Juan

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
20. The table shows the numberof days you keep a rented movie before returning it and the total cost of renting the
Harlamova29_29 [7]

Step-by-step explanation:

<u>According to given table we have pairs of points:</u>

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<u>The rate of change is:</u>

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or

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<u>It is 2.25 and the meaning is:</u>

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2 years ago
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