Suppose a population has a doubling time of 25 years. By what factor will it grow in 25 years? 50 years? In 100 years?

Answers

Answer 1

Answer:

Answer:

2,4, and 8.

Step-by-step explanation:

If the population has a doubling time of 25 years, that means that in 25 years the population will double. So for 25 years, the factor will be 2. For 50 years, the factor would be 2x2, which is 4. For 100 years, it is 4x2 which is a scale factor of 8.

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What is the slope of the line represented by the equation y=4/5x-3

Answers

The slope of the line represented by this equation is 4/5.

We know this because this line is in slope-intercept form, y=mx+b, where m represents the slope and b represents the y-intercept. Thus, we can conclude that the slope is 4/5, which means that for every 4 units the line moves up, it also moves 5 units over (because slope is defined as rise/run).

Hope this helps!

I need to solve this algebra expression5-7+2x10
The answer is 18 but I don't understand why it's 18 & not 22 .
Can you explain why they subtracted instead of adding ?
Thank you

Answers

$5-7+2*10$
$5-7+20$
$-2+20=18$
The answer is :18

Ok so they subtract instead of add because if you said I could have $5 to spend at the mall for an example and I took 7 I would have to pay you back. But what happens if you take 5 away from seven is you would get -2 so you would subtract that 2x10. You subtract it because it's a negative number. Does that make sense?

charlotte has 12 t-shirts. One fourth of her t-shirts are green. How many of Charlotte T-shirts are green

Answers

$(12)/(1)( (1)/(4))=x$

$(12)/(4)=x$

$3=x$

Charlotte has three green t shirts.

Use the law of cosines to find the balue of cos 0 . Round to answer to two decimal places

Answers

Answer:

Step-by-step explanation:

Using the law of cosines then cosΘ is the following quotient

cosΘ = $(a^2+b^2-c^2)/(2ab)$

where a = 5.8, b = 10.5 and c = 10.9

cosΘ = $(5.8^2+10.5^2-10.9^2)/(2(5.8)(10.5))$

= $(33.64+110.25-118.81)/(121.8)$

= $(25.08)/(121.8)$ = 0.21 → C

Need helppp with number 5!!! PLEASE HELP ASAP!

Answers

Answer:324

Step-by-step explanation:If the length is 9 and the width is 6 you would multiply it and multiply that answer by 2 because she is doing 2 cloths

the area of both of them is 54 so we would multiply that by 2 which is 108 .It takes her 3 minutes to sew 1 inch so we would multiply 108 by 3 to get the answer which is 324

The location of a post office is marked at (2,2) on a coordinate grid. Which point is about 18 units from the location of the post office?L(-12,9)
M(12,9)
N(12,-9)
P(-12,-9)

Answers

The answer would be-12,9

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