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wariber [46]
3 years ago
6

Which equation represents a population of 250 animals that decreases at an annual rate of 21%

Mathematics
1 answer:
guajiro [1.7K]3 years ago
6 0

Answer:

y= 250( 1-0.21)^x

Step-by-step explanation:

This represents exponential decay

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If n represents a number, then write an expression for the difference of three times the number after it was increased by 3 and
faust18 [17]
• Increased by 3
n+3
• Twice the number
2(n+3)
• Three times the number
3n
• Final result
2(n+3)-3n
5 0
3 years ago
Which line has a slope of 1, and which has a slope of 2?
aleksley [76]

Answer:

Line "L" has the slope of 1 and line "K" has the slope of 2.

In order to graph a line with the slope of \frac{1}{3} think of the numerator as the "rise" (how much you move up/down on the y-intercept) and the denominator as the "run" (how much you move to the side on the x-intercept)

Step-by-step explanation:

A slope of "1" is simply \frac{1}{1} so you rise up one and move to the right once. This clearly demonstrated on line "L".

A slope of "2" is \frac{2}{1} so you rise up two and move to the right once, as is demonstrated on line "K".

For the 2nd question, line "A" will have a slope of \frac{1}{3} therefore it will move up once and then to the side three times. It will look like the image attached to this answer.

I hope this helped! Feel free to ask questions if needed!

6 0
3 years ago
What’s the answer to 10a - 13a being factored
solmaris [256]

Answer:

a(10 - 13)

Step-by-step explanation:

The only common factor between these numbers is a, as 10 and 13 do not share factors (13 is prime). We can only factor out a.

7 0
3 years ago
What is 25.5n - 3 = 5.5n + 10.
klemol [59]
N = 13/20 or 0.65

25.5n - 3 = 5.5n + 10

Add 3 to both sides of the equation.

25.5n = 5.5n + 13

Subtract 5.5n from both sides.

20n = 13

Divide both sides by 20.

n = 13/20 or 0.65
3 0
3 years ago
Which property of real numbers is Illustrated below<br> 12(x +4)=12x +48
tensa zangetsu [6.8K]

Answer:

distributive property

Step-by-step explanation:

In this equation, distributive property is used.

6 0
3 years ago
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