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2 years ago

8

Roy is hiking down a mountain at an average rate of 3 miles per hour. He wants to know how far he can hike in a given number of

hours. Which is the dependent variable in this problem situation?

1 answer:

svp [43]2 years ago

3 0

Answer:

can you be more clear

Step-by-step explanation:

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13. For the arithmetic sequence: 6, 12, 18, 24,...

serg [7]

a_15 = 90

a_n = 6n

Step-by-step explanation:

Given sequence is:

6, 12, 18, 24,...

First of all we have to find the common difference. The common difference is the difference between consecutive terms of an arithmetic sequence.

Here,

$d=a_2-a_1 = 12-6 = 6\\d=a_3-a_2= 18-12 = 6$

The general form for arithmetic sequence is:

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

Putting the values for a_1 and d

$a_n=6+(n-1)(6)\\a_n=6+6n-6\\a_n=6n$

<u>a) Find a15</u>

$a_{15} = 6(15)\\=90$

<u>b) Write an equation for the nth term.</u>

The equation is: a_n=6n

Keywords: Arithmetic sequence, Common Difference

Learn more about arithmetic sequence at:

#LearnwithBrainly

4 0

3 years ago

Can you use the digits from 1-9 and the four operations (+, -, %, x) to make a 100 (or as close as possible). You can only use e

VladimirAG [237]

I’d just do 25 x 4 and it’s simple as that. Not unless I’m missing something

6 0

3 years ago

Explain the difference between (-5)2 and<br> -52.

Tpy6a [65]

Answer:

the parentheses say that you have to multiply -5 and 2

where as -52 is just a number.

7 0

3 years ago

Read 2 more answers

Jack went to the cash point. He drew out the same amount of money as he had in his pocket. He then spent £40 on CDs.

Liula [17]

Answer:

£30

Step-by-step explanation:

Jack had 30 pounds, he withdrew 30 more and had 60,he spent 40 and was left with 20.Then he withdrew 30 more and had 50,he spent 40 and was left with 10.Then he withdrew 30 more and had 40,he spent 40 and was left with 0 meaning he had no money

3 0

2 years ago

Find the mean of 17, 11, 5, 25, 22

lyudmila [28]

Answer:

the mean is 16

8 0

3 years ago

Read 2 more answers