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Gre4nikov [31]
3 years ago
10

A certain species of fish has been declining in population by 7% per year. That means it's rate of decay is 0.93. The population

at time zero is 500,000. What is the initial population?
Mathematics
1 answer:
Anna11 [10]3 years ago
5 0
We know that a rate of decay for a certain species of fish is 0.93. It means that it has been declining in population 7% per year. But we also know that the population at time zero ( at start ) is 500,000.The initial population = the population at time zero.Answer: The initial population is 500,000.

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Tual School
Lady_Fox [76]

Answer:

The absolute value equation to represent the scenario is |x - 250| = 25. Also, the minimum amounts and maximum amounts that the artist received for her products is $225 and $275 respectively.

What is an equation?

An equation is an expression that shows the relationship between two or more variables and numbers.

Let x represent the amount the artist can receive for the goods, hence:

|x - 250| = 25

x - 250 = 25 or -(x - 250) = 25

x = 275 or x = 225

The absolute value equation to represent the scenario is |x - 250| = 25. Also, the minimum amounts and maximum amounts that the artist received for her products is $225 and $275 respectively.

5 0
2 years ago
What is the center and radius of -10x = -121 - y2 - x2 -22y
OlgaM077 [116]

We need to find the center and the radius of

-10x\: =\: -121\: -\: y^2\: -\: x^2\: -22y

The general circle equation is the following

(x-h)^2+(y-k)^2=r^2

where

(h,k) is the center and

r is the radius

1. rearrange the equation

(x^2-10x)+(y^2+22y+121)=0

2. Add 25 on both sides

(x^2-10x+25)+(y^2+22y+121)=25

3. Factor

(x-5)^2+(y+11)^2=5^2

Now we have an equation that is very similar to the circle equation, so let's compare them

Center -> (h,k) = (5,-11)

radius -> r = 5

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11 months ago
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Elodia [21]
A. 15
b. 26

d. 41
e. 82
f. 98

h. 49
5 0
2 years ago
PLEASE HURRY
horsena [70]

Answer:6,2

Step-by-step explanation:you need to add each step and divide

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