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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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Pls help with this question
andre [41]

Answer:

x<56

Step-by-step explanation:

Since the dot over 56 isn't filled in, the inequality doesn't include 56 (so we'll use < or > not \leq or \geq)

Now, let's look at the direction of the shading: is it going to the left of 56 or to the right?

This shading is to the left of 56, which indicates that it's all of the numbers less than 56.

As said above, the inequality doesn't include 56

therefore, it will be x<56 (x is less than 56, and 56 is not included)

hope this helps!

3 0
2 years ago
Read 2 more answers
What is the depth of water in a tank with 300,000 gallons of water at 70F when the pressure gauge at the bottom of the tank read
chubhunter [2.5K]

Answer:

53.08 ft

Step-by-step explanation:

The pressure at the bottom of the tank, P = ρgh where ρ = density of water = 1000 kg/m³, g = acceleration due to gravity = 9.8 m/s² and h = depth of water in tank.

Since the pressure at the bottom of the tank, P = ρgh, making h subject of the formula, we have

h = P/ρg

Since P = 23 psig = 23 × 1 psig = 23 × 6894.76 Pa = 158579.48 Pa

Substituting the values of the other variables into h, we have

h = P/ρg

h = 158579.48 Pa/(1000 kg/m³ × 9.8 m/s²)

h = 158579.48 Pa/(9800 kg/m²s²)

h = 16.18 m

h = 16.18 × 1 m

h = 16.18 × 3.28 ft

h = 53.08 ft

8 0
2 years ago
Which graph represents 2x-5y&lt;15?
VMariaS [17]
There’s no pictures
4 0
2 years ago
A television was originally priced at $598.00. The price was reduced by 6%. What is the new price of the television?
aksik [14]
Hello.

To find the answer of this question, you need to find 6% of 598. 
6 / 100 = 0.06. 0.06 x 598 = 35.88. So now all you have to do is subtract 35.88 from 598. 598 - 35.88 = 562.12.

So the new price of the television is 562.12.

Have a great day! :)
8 0
2 years ago
Find the common difference for the given sequence. 1.05, 1.1, 1.15, 1.2, ... 0.005 0.05 0.5
pashok25 [27]
Given a sequence; a₁,a₂,a₃...,an,
The common difference is d= a₂-a₁=a₃-a₂=a₄-a₃....

In this case: 
a₁=1.05
a₂=1.1

d=a₂-a₁=(1.1)-(1.05)=0.05

Answer: The common difference is 0.05. 
6 0
3 years ago
Read 2 more answers
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