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AnnZ [28]
3 years ago
14

a population of size 2000 at time t equals​0, where t is measured in years. 1. Suppose Jonesville​'s population grows by 170 peo

ple per year. 2. Suppose the population of Smithville grows by 7​% per year.
Mathematics
1 answer:
galina1969 [7]3 years ago
4 0

Answer:

1. a_n=a_1+(n-1)d

2.a_n =a_n_-_1+a_n_-_1(0.07)

Step-by-step explanation:

For case 2 the population grows by 170 per year. Therefore for year t=0 its 2000 and t=1 then the population is 2170 and t=2 population is 2340. We can express the sequence as:

a_n=a_1+(n-1)d

We know the difference is d=170 and n=1,2,3....:

Case two can be define by:

a_n

=a_n_-_1+a_n_-_1(0.07)

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What is the slope of (-2, -3) and (3, 7)
Vilka [71]

Answer:

m=2

Step-by-step explanation:

(−2,−3);(3,7)

(x1,y1)=(−2,−3)

(x2,y2)=(3,7)

Use the slope formula:

m=y2−y1/x2−x1

=7 − −3/3 − −2

=10/5

=2

Graph:

(-2,-3) is blue

(3,7) is red

5 0
2 years ago
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mr Goodwill [35]

I think it makes it more easier if you simplify the inequality.

4x + 20 < 40        First subtract 20 on both sides

4x + 20 - 20 < 40 - 20

4x < 20     DIvide 4 on both sides to get the variable "x" by itself

x < 5    [x is less than 5, so x represents the numbers that are less than 5]

[Note:

If the sign is < or >, you use an open circle.

If the sign is ≤ or ≥, you use a closed circle.]

Your answer is the 1st option because the solution is any number that is less than 5

3 0
2 years ago
A triangle has angles that measure 46° and 61° what is the measure of the third angle
Brilliant_brown [7]
A triangle in total is 360<span>°. So you add what you are given

46 + 61 = 107

and subtract that from 360

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And the remainder is the last unknown angle.

So, the third angle is 190</span><span>°</span>
8 0
2 years ago
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Vlad1618 [11]
I’m pretty sure it’s

6x-10y+x^2-21




Unless I read it wrong then sorry
3 0
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Annette [7]

Answer:

( x ^2 + 8 ) ( 2 x − 1 ) ( x + 2 )

Step-by-step explanation:

 

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where  

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Glad I was able to help!!

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3 years ago
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