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3 years ago

Population of a town is 2500 and it grows with a doubling time of 10 years. What will the population be in eight years

Mathematics

1 answer:

alex41 [277]3 years ago

7 0

Answer: I think 4500.

Step-by-step explanation: Since the doubling time is 10 years, which means another 2500 is added. So all we have to do is add 2500*(8/10) plus the original 2500, and here ya go!

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2. Which of the following statements describes the graph below?

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Answer:

B. and D i think

Step-by-step explanation:

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3 years ago

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Match each of the following complex numbers with its equivalent expression.

Yanka [14]

Answer:

Therefore

$i^{110}=-1$

$i^{92}=1$

$i^{245}=i$

$i^{347}=-i$

Step-by-step explanation:

Complex Number :

A complex number is a number that can be expressed in the form

$a + bi$

where a and b are real numbers, and

' i ' is called an imaginary number.

The value of i is given as

$i=\sqrt{-1}$

Squaring both the side we get

$i^{2}=(\sqrt{-1})^{2}\\\therefore i^{2}=-1$

Therefore on substituting we get

For i^110

$i^{110}=(i^{2})^{55}=(-1)^{55}=-1$

Similarly for i^92

$i^{92}=(i^{2})^{46}=(-1)^{46}=1$

Similarly for i^245

$i^{245}=(i^{2})^{122}\times i=(-1)^{122}\times i=1\times i =i$

Similarly for i^347

$i^{347}=(i^{2})^{173}\times i=(-1)^{173}\times i=-1\times i =-i$

Therefore

$i^{110}=-1$

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$i^{347}=-i$

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3 years ago

William had $45 dollars to spend on Vegetables. After buying 6 watermelons , he had $25.50 left .how much did each watermelons c

notka56 [123]

Easy, just do 45-25.50= 19.50 and then divide 19.50 by 6, and then you get 3.25. So, your answer would be $3.25.

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3 years ago

The slope of the line below is -1. write the point-slope equation of the line using the coordinates of the labeled point.

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Answer:

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Step-by-step explanation:

Point Slope Form is:

$y-y_1=m(x-x_1)$

When:

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$(x_1,y_1)$ is the coordinate.

We are given the slope of -1 and the coordinate of (4,-9).

So:

$m=-1\\x_1=4\\y_1=-9$

Using the information and replacing the values we get:

$y+9=-1(x-4)$

So, the line equation in point slope form should be: y+9=-1(x-4)

<em>Brainilest Appreciated. </em>

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A cylinder has a volume of 675.1 cubic centimeters. The diameter of the cylinder is 10 cm. What is the height of the cylinder? (

WARRIOR [948]

Answer:

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Step-by-step explanation:

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3 years ago

Population of a town is 2500 and it grows with a doubling time of 10 years. What will the population be in eight years￼

Population of a town is 2500 and it grows with a doubling time of 10 years. What will the population be in eight years