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Anettt [7]
3 years ago
12

Scientists study ways to increase the population of wild salmon. How many salmon eggs may be needed to produce 18 adult salmon?

For every 8,000 eggs, only 2 adults may survive.
Mathematics
1 answer:
Zepler [3.9K]3 years ago
8 0

Answer:

Therefore, we conclude that is needed 72000 salmon eggs  to produce 18 adult salmon.

Step-by-step explanation:

We know that scientists study ways to increase the population of wild salmon. We know that for every 8,000 eggs, only 2 adults may survive.

We calculate how many salmon eggs may be needed to produce 18 adult salmon.  

Therefore, we get:

2\cdot 9=18\\\\\\9\cdot 8000=72000

Therefore, we conclude that is needed 72000 salmon eggs  to produce 18 adult salmon.

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Isabell is standing at the top of a waterslide that leads to a pool below. The angle of depression from top of the slide to the
MakcuM [25]

As for the right angle triangle the ratio of opposite side to the hypotenuse side is equal to the sine angle.

The distance of the top of the slide from the ground is 24 foot (to nearest foot). Thus option 3 is the correct option.

<h3>What is right angle triangle?</h3>

A right angle triangle is a triangle in which, one of the angle measures equals to the 9 degrees.

Given information

The angle of depression from top of the slide to the pool is 31. 66°.

The height of the slide is 46 feet.

Image is attached below for the given problem.

As for the right angle triangle the ratio of opposite side to the hypotenuse side is equal to the sine angle.

Thus,

\sin(31.6^o)=\dfrac{x}{46} \\x=46\times \sin (31.6^o)\\x=46\times 0.5249\\x=24.145

Hence the distance of the top of the slide from the ground is 24 foot (to nearest foot). Thus option 3 is the correct option.

Learn more about the right angle triangle here;

brainly.com/question/2028228

7 0
3 years ago
Suppose the expected returns on equity of two firms, Macrosoft and Microsoft, that operate in the same business are 10.50% and 1
Komok [63]

Answer:

The return on assets in this business for Macrosoft is

ROA = 10.50%

Step-by-step explanation:

Return on Equity:

ROE represents how much a firm is generating profits by using the shareholder's money.

ROE is calculated as

$ {ROE = \frac{Annual \:\: net\: \: income}{Average \:\: shareholder's \:\: equity} $​  ​

Return on Assets:

ROA represents how much a firm is generating profits for every dollar of its assets.

ROA is calculated as

$ {ROA = \frac{Annual \:\: net\: \: income}{Total \:\: assests} $​  ​ ​

What is the return on assets in this business if Macrosoft has no debt?

Debt plays an important role in the calculations of return on assets.

We know that

Assets = Liabilities + Equity

Since the Macrosoft has no debt, its return on assets will be same as return on equity.

Assets = Equity

ROA = ROE

ROA = 10.50%

5 0
3 years ago
Define<br> Trapezium, kite, isosceles Trapezium
Lena [83]
A trapezium is a figure in which a pair of opposite sides parallel, A trapezium is called an isosceles trapezium if non parallel sides are equal,
Kite duel polygon
3 0
3 years ago
When Elmer empties his bank, he found 17 pennies, 4 nickels, 5 dimes, and 2 quarters. What was the value of the coins in his ban
Bad White [126]

Answer:

137

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Multiply or divide as indicated 10x^5/2x^2
shepuryov [24]
To perform the following operation, make sure to do the division parts separately and place them back together in the final answer.

10/2 and x^5/x^2

5 and using the exponential laws of division X ^m/X^n = X ^ m-n

The second part evaluates to X^3.

Putting the terms together we get the final answer, which is 5x^3.
3 0
3 years ago
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