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Kruka [31]
3 years ago
9

Over time, the number of organisms in a population increases exponentially. The table below shows the approximate number of

Mathematics
2 answers:
Sphinxa [80]3 years ago
6 0

Answer:

We write the generic form equation:

 y = A (b) ^ t

 We must use two points in the table to find the constants A and b

 We have then:

 For: t = 1, y = 55

 55 = A (b)

 For: t = 2, y = 60

 60 = A (b) ^ 2

 We solve the system of equations:

 We divide both equations:

 (60 = A (b) ^ 2) / (55 = A (b))

 ((60) / (55)) = b

 b = 1.091

 We substitute in any of the equations:

 55 = A (b)

 55 = A (1,091)

 A = (55) / (1,091)

 A = 50.41 

 The equation that models the problem is:

 y = 50.41 * (1.09) ^ t

 For t = 29 we have:

 y = 613.5996987 (> 600)

 Answer:

 Assuming the trend continues the environment will not last until the population after 24 years.

 Answer:

  24

vlada-n [284]3 years ago
5 0

Answer:

24

Step-by-step explanation:

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Two isosceles triangles are shown above. If b = 180-4a and a=35, What is the value of c?
Ymorist [56]

Answer:

a=35 given

b=40  

c=110

I couldn't complete see c. Please look at the picture to see what I assumed it to be.

Step-by-step explanation:

Hmmm... I guess a and b are not vertical.

We are given b=180-4a and a=35 so b=180-4(35)=180-140=40.

So b=40.

Isosceles triangles always have congruent base angles.  So let's call both of the base angles in the bottom triangle x.

That means x+x+40=180.

We need to solve this for x.

Combine like terms:

2x+40=180

Subtract 40 on both sides:

2x=140

Divide both sides by 2:

x=140/2

Simplify:

x=70

So I'm assuming that c and it's adjacent angle are sitting on a straightedge together which means 70+c=180.

70+c=180

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4 0
3 years ago
a crane lifts a pallet of concrete blocks 9 ft from the back of the truck. the truck drives away and the crane lowers the pallet
goblinko [34]
Answer:
The final position is 5 feet below the back of the truck
Step-by-step explanation:
* Lets explain how to solve the problem
- A crane lifts a pallet of concrete blocks 8 feet from the back of
a truck
- The crane lowers the pallet 13 feet after the truck drives away
- Assume that the zero level of the position of the ballet of concrete
blocks is the back of the truck
∵ The crane lifts the pallet of concrete blocks 8 feet from the back
of the truck
- That means it take the pallet from zero to 8
∴ The height of the pallet of concrete blocks is 8 feet over
the starting position
∵ The crane lowers the pallet of concrete blocks 13 feet
- That means the crane lower the pallet from the height 8 and
lift it down 13 feet, so we must to take out from the 8 feet the
13 feet to find the final position of the pallet of concrete blocks
∴ The pallet position is ⇒ 8 - 13 = -5
∴ The position of the pallet of concrete blocks is 5 feet below the
starting position which is the back of the truck
* The final position is 5 feet below the back of the truck
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How do you write fifty-two thousand, five hundred fifty-two in number form
vovikov84 [41]

Answer:

52,552

Step-by-step explanation:

sorry about my old answer i clicked the wrong number

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