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FinnZ [79.3K]
3 years ago
13

The square of the sum of x and -3 is equal to y

Mathematics
1 answer:
Alexxx [7]3 years ago
8 0
The equation is
x2 - 3 = y
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Zoologists are studying two newly discovered species of insects in a previously unexplored section of rain forest. They estimate
salantis [7]
The population Pa of insect A after t years is given by the equation 
     Pa = 1.3(1-0.038)^t 
while the population Pb of insect B after t years is 
     Pb = 2.1(1-0.046)^t

We equate the above expressions to find the number of years t it will take the two populations to be equal: 
     Pa = Pb
     1.3(1-0.038)^t  = 2.1(1-0.046)^t
     1.3(0.962)^t  = 2.1(0.954)^t
These are the equations that can be used to determine how long it will be before the populations of the two species are equal.

We can now solve for t:
     (0.962)^t / (0.954)^t = 2.1/1.3
     (0.962/0.954)^t = 2.1/1.3
After taking the log of both sides of our equation, number of years t is
     t = log (2.1/1.3) / log (0.962/0.954)
     t = 57 years
Therefore, it will take 57 years for the population of insect A to equal the population of insect B.
8 0
3 years ago
Read 2 more answers
9 more than a number is equal to 10
Oliga [24]

Answer:

1

Step-by-step explanation:

9 + 1 is equal to 10. Therefore, the answer is 1.

5 0
2 years ago
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A cylinder has an approximate volume of 288 cubic inches. The radius of the cylinder is 6 inches. what is the height of the cyli
Alex Ar [27]

Answer:

48

Step-by-step explanation:

288/6=48

it's bacically the same as perimeter and area

5 0
3 years ago
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Alyson opened a savings account with $100. She saves $50 per month. Which of the following equations can be used to find how man
erica [24]
It would take 12 months
3 0
3 years ago
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Plz help wit number 5 will mark Brainiest
Nana76 [90]
The function is y=2x
this means that the solutions will have the form (x, y)=(x,2x).
For example: (0,0),(1,2),(2,4),(3,6) are solutions.
The first answer choice satisfies the above conditions.
The second answer choice contains (2,2), and (2,6), both of which do not satisfy the (x,2x) condition, so it's not correct.
The third answer choice contains (4,2), which again does not satisfy (x,2x), so not the right answer.

3 0
3 years ago
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