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lawyer [7]
3 years ago
9

Find the six first terms of an arithmetic sequence with: d = 2 Po= 30

Mathematics
1 answer:
alexgriva [62]3 years ago
7 0

Answer:

The first six terms of this arithmetic sequence are: 30, 32, 34, 36, 38, 40

Step-by-step explanation:

The nth term of an arithmetic sequence is given by:

P_n = P_0 + nd

In which d is the common difference, that is, each term is increased by d.

d = 2, Po= 30

First term is 30, each consecutive is increased by 2. So

30, 32, 34, 36, 38, 40

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Joseph's age is three times that of his sister, Isabella. When you add Joseph's age to Isabella's age, you get 36. How old is Jo
kogti [31]
A: x (isabella)
3x+x=36
b: 3x+x=36
4x=36
x=9
3x=27
c: Joseph is 27 years old.
3 0
3 years ago
At the end of 2006, the population of Riverside was 400 people. The population for this small town can be modeled by the equatio
andriy [413]

The correct format of the question is

At the end of 2006, the population of Riverside was 400 people. The population for this small town can be modeled by the equation below, where t represents the number of years since the end of 2006 and P represents the number of people. P = 400 ( 1.2 )^ t Based on this model, approximately what was the increase in the population of Riverside at the end of 2009 compared to the end of 2006?

(A) 291

(B) 691

(C) 1040

(D) 1440

Answer:

The increase in the population at the end of 2009 is 291 people

Step-by-step explanation:

We are given the equation as P = 400 ( 1.2 )^ t

where

P = No of People

t= No of Years

it is given that in the year 2006 the population is 400

this will only happen when we take t= 0

so for

Year    value of t

2006-    t = 0

2007-    t  = 1

2008-    t = 2

2009     t = 3

No of people in 2009 will be

P = 400(1.2)^3

     = 400*1.728

   P  = 691.2

Since the equation represents no of people so it can't be in decimals, Therefore the population will be 691

Increase = P(2009) - P(2006)

               = 691 - 400

                = 291

The increase in the population at the end of 2009 is 291 people.

4 0
3 years ago
Worth 20 points, please help and give good answers than you(will mark brainlest)
nalin [4]

Answer:

B

Step-by-step explanation:

all you need is to solve the first term

2x² - (-3x²) = 5x² ,

b is the only answer with 5x² in it

4 0
2 years ago
Read 2 more answers
Graph y = -½ x -3 mathematics
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We can’t attach imagines on here
6 0
3 years ago
I am stressed, I need help with assignments, but nobody knows how to do them....if you want to try to, go to my recent questions
aksik [14]
I’m sorry, but how do I see you’re recent questions? I’d love to help! However I have no clue how to find the questions.
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2 years ago
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