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3 years ago

What is the common difference of the arithmetic sequence?

Mathematics

1 answer:

Zinaida [17]3 years ago

5 0

Answer:

Step-by-step explanation:

You can look at it and see that 1/3 is added to each term. The common difference is 1/3. If you want to be be more formal,

d = d4 - d3

d = 0 - - 1/3

d = 0 + 1/3

d = 1/3

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3 (5 + 6)

ELEN [110]

Hi there!

Distributive property are two big words that basically just mean you need to distribute the 3 to the whole parentheses. This means you need to multiply 5 by 3 and also 6 by 3.

3 × 5 = 15

3 × 6 = 18

Now that you've distributed the 3 to the entire parentheses, you just need to add together both answers you got :

15 + 18 = 33

Your answer is: 33

There you go! I really hope this helped, if there's anything just let me know! :)

4 0

2 years ago

A train 100 m long crosses a pole in 5 seconds.Find the speed of the train in kilometre per hour.

In-s [12.5K]

Answer:

$\sf72 km/h$

Step-by-step explanation:

Distance covered by the train in crossing the pole = 100 m.

$\sf Time \: taken=5 \: seconds$

$\sf \: Speed \: of \: the \: train = \frac{Distance }{Time}$

$\sf = \frac{100}{5} \: m/s$

$\sf \: = 20 \: m/s$

$\sf \: = 20 \times \frac{18}{5} \: km/h$

$\sf = 72 \: km/h$

Hence, the speed of the train is 72 km/h

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2 years ago

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Alexeev081 [22]

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belka [17]

Answer:

21/2 so 10.5.

Step-by-step explanation:

7÷2/3=21/2=10.5

hope this helps you

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What is the common difference of the arithmetic sequence?​

What is the common difference of the arithmetic sequence?