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trapecia [35]
3 years ago
9

In an arithmetic sequence, find a6 when a1 = 13 and d = 4

Mathematics
1 answer:
jolli1 [7]3 years ago
6 0

a_{6} = 33

the n th term of an arithmetic sequence is

a_{n} = a_{1} + (n - 1 )d, hence

a_{6} = 13 + (5 × 4 ) = 13 + 20 = 33


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James has organised a game to raise money for charity at a local fair. He rolls a fair six sided dice and flips a fair coin. If
Scorpion4ik [409]

The total amount that was raised for charity is £75.

<h3>What is the total amount raised?</h3>

Here is the sample space

                  1               2            3            4            5           6

Heads        1               4            9           16            25        36

Tails           1               8            27          64           125        216

Probability of getting a number greater than 30 = 4/12 = 1/3

1/3 x 450 = 150

Total value of people getting more than 30 : 150 x £1 = £150

Total amount paid = 50 x 450 = £225

Amount raised = £225 - 150 = £75

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

3 0
2 years ago
Whats the answer to g/2-9=-7
andrew11 [14]

Answer:

Step-by-step explanation:

g/2-9=-7

inverse operation:

g/2-9=-7

      +9 +9

g/2=2

g/2=2*2

g = 4

7 0
3 years ago
Read 2 more answers
Help me what’s the answer .
Mandarinka [93]

Answer:

x=3

Step-by-step explanation:

i helped my friend on this before but it was a word problem

8 0
3 years ago
PLEASE ANSWERERRREEERRR
Vladimir79 [104]

the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

<h3>How to get a perfect square?</h3>

A perfect square is the product of a number and itself.

As you can see in the example, 16 is a square number. Then let's try to get 16.

To get 16 we can use the difference:

20 - 4

So the first therm needs to be equal to 20, and the second equal to 4.

To write 20 in scientific notation we have:

2*10^1

To write 4 in in scientific notation:

4*10^0

Then the operation:

2*10^1 - 4*10^0 = 20 - 4 = 16

Gives a square number.

If you want to learn more about square numbers:

brainly.com/question/21694652

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5 0
2 years ago
An empty bucket weighs 800g.
erica [24]

Answer:

412.5 percent

7 0
3 years ago
Read 2 more answers
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