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GrogVix [38]
3 years ago
7

If it takes 5 years for an animal population to double, how many years will it take until the population

Mathematics
1 answer:
muminat3 years ago
6 0

9514 1404 393

Answer:

  7.92 years

Step-by-step explanation:

We want to find t such that ...

  3 = 2^(t/5)

where 2^(t/5) is the annual multiplier when doubling time is 5 years.

Taking logs, we have ...

  log(3) = (t/5)log(2)

  t = 5·log(3)/log(2) ≈ 7.92 . . . years

It will take about 7.92 years for the population to triple.

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Use a related equation that has the variable on one side. Then simplify the other side.
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I think that this equatios is than you need, x=t;

4 0
3 years ago
Number 4 need help pls
qwelly [4]

Answer:

19 would be the answer

  1. g=67
  2. 67-10=57
  3. 57 divided by 3 equals 19
6 0
3 years ago
PLEASE HELP!!!!!<br> will mark brainliest!!!!!
zmey [24]

Answer:

Table:

1: f(x) = 5

2: f(x)= 6

5: f(x) = 9

Points: (1,5), (2,6), and (5,9)

Step-by-step explanation:

1. The function f(x) = x + 4 means that 4 is added to the input, x, to get the output, y.

  • f(x) = 1 + 4 = 5
  • f(x) = 2 + 4 = 6
  • f(x) = 5 + 4 = 9  

Therefore, when x = 1 then f(x) = 5, x = 2 then f(x) = 6, and x = 5 then f(x) = 9.

2. Now, to find the points, we must know that x is the x-coordinate and f(x) is the y-coordinate of the point. Because of this, the points are:

  • (1,5)
  • (2,6)
  • (5,9)

Therefore, the points are (1,5), (2,6), and (5,9).

4 0
3 years ago
A sculpture sits on a pedestal in the shape of a square prism. The side lengths of a base of the prism are 3 feet. The height of
german

Answer:

Total cost of covering the pedestal is <em>$12.54</em>.

Step-by-step explanation:

The pedestal is a <em>square prism </em>so top and bottom are of square shape.

Hence, we have here length = width

We know that the Total Surface Area of a Prism is:

\text{Total Surface Area = } 2 (l\times w+ w \times h+ h \times l)

Where <em>l</em> is length,

<em>w</em> is width and

<em>h</em> is height of prism

We know that here <em>w = l = 3 feet</em>

and <em>h = 4 feet</em>

Also, underside of pedestal is not to be covered.

The underside of pedestal is square type.

So,

\text{Required Total Surface Area = }  l\times w+ 2\times w \times h+2\times h \times l

\Rightarrow 3 \times 3 + 2 \times 3 \times 4 + 2 \times 3 \times 4\\\Rightarrow 9 + 24 + 24\\\Rightarrow 57\ ft^{2}

Cost of cover per square foot = <em>$ 0.22</em>

Total cost of 57\ ft^{2}  \Rightarrow 0.22 \times 0.57 = \$12.54

3 0
3 years ago
Solve for x. will give brainlkest
Veronika [31]
Simplify both sides of the equation.
<span><span><span>(−7.8)(x)</span>+<span>(−7.8)(6.5)</span></span>=−25.74 </span>  <span><span><span>−7.8x+</span>−50.7</span>=−25.74 -> </span>−7.8x−50.7=−25.74
<span>Add 50.7 to both sides.
</span><span><span>−7.8x−50.7</span>+50.7</span>=−25.74+50.7 -> −7.8x = <span>24.96
</span><span>Divide both sides by -7.8.
</span><span>−7.8x /−7.8  </span>=  <span>24.96/<span>−<span>7.8
</span></span></span><span>And as a decimal
X= </span><span>−3.2

Hope this helped. (got taken off because I did the steps? oo well)</span>
7 0
3 years ago
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