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dem82 [27]
3 years ago
8

A fish population, p, can be represented by the equation p = 800 . 1/2 where t is time in years since the beginning of 2015. Wha

t was the fish population at the beginning of 2012? A. 100 B. 800 C. 2,400 D. 6,400
Mathematics
1 answer:
Leviafan [203]3 years ago
5 0

Answer:

I believe its A but I am not 100% positive

Step-by-step explanation:

You might be interested in
What is 56:21 in simplest form
lana [24]
We can divide each digit by 7. So 56/7=8 and 21/7=3 so.... 8:3
3 0
3 years ago
Read 2 more answers
Factor x^3-4x^2-3x+18=0 given that 3 is a zero.
Mandarinka [93]

Answer:

B: (x + 2)(x - 3)^2

Step-by-step explanation:

This is only going to have 3 roots. One of them is (x - 3)

D does not look right. So let's solve it using synthetic division.

3 || 1    - 4      -3       18

            3       -3      -18

========================

     1     -1       -6        0


So what you have is a quadratic

  • x^2 - x - 6 = 0 which will factor
  • (x - 3)(x + 2) = 0
  • x - 3  = 0
  • x = 3
  • x + 2 =0
  • x = - 2
  • (x - 3)(x - 3)(x + 2 ) = 0

The answer is B

3 0
3 years ago
Simplify: |x−y| if x is less than y
blondinia [14]

Answer:

y-x

Step-by-step explanation:

I assumed you meant that you wanted me to rewrite the expression without the absolute value signs. Since the absolute value of a number will be the same whichever way you place the numbers, you can rewrite |x-y| as y-x, as x is less than y.

8 0
3 years ago
C
Mariana [72]

9514 1404 393

Answer:

  y = 4x + 16

Step-by-step explanation:

You can replace the point coordinates in the given point-slope form to get ...

  y - 32 = 4(x -4)

Then rearrange to put this into slope-intercept form.

  y = 4x -16 +32 . . . . eliminate parentheses, add 32

  y = 4x +16 . . . . . . . . simplify

8 0
3 years ago
Use the graph to determine the values listed<br> F(-10)=<br> F(-4)=<br> F(-2)=<br> F(0)=<br> F(3)=
SpyIntel [72]
  • F(-10) = -6
  • F(-4) = 0
  • F(-2) = 2
  • F(3) = -7
  • F(0) = -1

<u>Step-by-step explanation:</u>

From the following figure, We can see that we have a graph with different lines where some points are included and some are not . Let's find out the listed values using graph:

<u>F(-10):</u>

From the graph F(-10) = -6 , basically we draw a horizontal line from value of x in graph and see where does that line cut y-axis , and that point is the value of function .

<u>F(-4):</u>

From the graph F(-4) = 0 , basically we draw a horizontal line from value of x in graph and see where does that line cut y-axis , and that point is the value of function .

<u>F(-2):</u>

From the graph F(-2) = 2 , basically we draw a horizontal line from value of x in graph and see where does that line cut y-axis , and that point is the value of function .

<u>F(0):</u>

From the graph F(0) = -1 , basically we draw a horizontal line from value of x in graph and see where does that line cut y-axis , and that point is the value of function .

<u>F(3):</u>

From the graph F(3) = -7 , basically we draw a horizontal line from value of x in graph and see where does that line cut y-axis , and that point is the value of function .

4 0
3 years ago
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