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-Dominant- [34]
3 years ago
13

An initial population if 1000 starfish double each year for 4 years. What is the population after 4 years?

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

16,000 starfish

Step-by-step explanation:

year 0: 1000

year 1: 2000

year 2: 4000

year 3: 8000

year 4: 16000

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A cone and a sphere have the same volume the base of the cone has a radius of 8 feet and the sphere has a radius of 6 feet what
jekas [21]

Step-by-step explanation:

Volume of Cone=

\frac{1}{3} \pi \: r {}^{2} h

Volume of Sphere=

\frac{4}{3} \pi \: r {}^{3}

Since VC = VS

\frac{1}{3} \times 3.14 \times 8 {}^{2}  \times h =  \frac{4}{3}  \times 3.14 \times 216

66.99h = 904.32

h = 904.32 ÷66.99

h= 13.5 feet

3 0
3 years ago
Which of thw following is equivalent to √20?​
kupik [55]

Answer:

it is b

Step-by-step explanation:

3 0
4 years ago
The system of equations is graphed in the figure.
Scilla [17]

Answer:  The correct answer is:  [C]:

___________________________________________

              →    " ( 3, -2) " .

___________________________________________

Explanation:

___________________________________________

By looking at the graph {provided) of the lines of the 2 (two) equations given, we see that the two (2) lines intersect at the point at which the coordinates are:   " (3, -2)" ;  that is:  where:  " x = 3;  y = - 2 " ;  (refer to "image attached");

  →  which corresponds to:

 

  →  Answer choice:  [C]: " (3, -2) " .

___________________________________________

Let us check our answer, by plugging in "3" for "x" ; and "-2" for "y" ;

  in Each of the 2 (two) equations given; to see if the equations hold true:

_____________________________________

Equation 1:

_____________________________________

  y = (-5/3)x  + 3  ;

 →  -2  =? (-5/3)*3  + 3 ?  

 →  -2  =?  -5  + 3 ? ;    -2 =? -2 ?  Yes!

_____________________________________

Equation 2:

_____________________________________

 y = (1/3)x -3 ;

→  -2 =? (1/3)*3  - 3 ? ;

→  -2 =?  1 - 3 ?  ;    -2 = ? -2 ?  Yes!

_____________________________________

Both equations hold true when:  "x = 3 ;  and y = -2 " .

_____________________________________

Refer to image attached to see where the lines of the graphs of the equations given intersect.

_____________________________________

Hope this answer is helpful to you!

  WIshing you the best!

_____________________________________

3 0
3 years ago
Find the area of the triangle in blocks (b).
olganol [36]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Luke hiked 6 1/4 miles . Joana hiked 2 1/5 times as far .How far did Joana hiked​
vazorg [7]

Answer:

6 \frac{1}{4} =\frac{25}{4} \\\\2 \frac{1}{5} = \frac{11}{2}\\\\

\frac{25}{4} \times \frac{11}{2} = \frac{275}{8}=34 \frac{3}{8} (Amount Jona hiked)

3 0
4 years ago
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