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Hatshy [7]
3 years ago
14

Write an explicit formula for an, the n^th term of the sequence 2, 4, 6, ....

Mathematics
1 answer:
Eduardwww [97]3 years ago
5 0

Answer:

a_n=2n

Step-by-step explanation:

The given sequence is 2, 4, 6, ....

We need to write an explicit formula for a_n. The firts term is 2, second term is 4 and third term is 6 and so on.

Each term is 2 greater than the term before it. Thus we can write it as follows :

a_n=2n

Where

n = 1,2,3....

Hence, the explicit formula is a_n=2n.

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HELP ME PLS
vodka [1.7K]

Answer:

A.The conclusion was drawn from the law of detachment

if p is q

and q is r

then p is r

Step-by-step explanation:

PLS MARK BRAINLIEST

4 0
3 years ago
A building contractor buys 60​% of his cement from supplier A and 40​% from supplier B. A total of 95​% of the bags from A arriv
docker41 [41]

Answer: 0.665.

Step-by-step explanation:

60% of the bags are from supplier A, and 95% of them are undamaged.

40% of the bags are from supplier B, and 75% of them are undamaged.

Then, the number of undamaged bags from supplier A is:

0.6*0.95 = 0.57 or 57%

from B is:

0.4*0.75 = 0.3 or 30%

This means that the percentage of undamaged bags is:

57% + 30% = 87%.

Then, the probability that an undamaged bag is from supplier A is equal to the percentage of undamaged bags that came from supplier A (57%) and the total percentage of undamaged bags (87%) this is:

P = 57%/87% = 0.655 or 65.5%

Then the probability that an undamaged bag comes from supplier A is 0.665.

7 0
3 years ago
Team A and team B play a series. The first team to win three games wins the series. Each team is equally likely to win each game
andrezito [222]

Answer:

Probability is \frac{1}{4}

Step-by-step explanation:

This problem can be easily done tree diagram.

Few things keep in mind :

  • From starting of match three victories of A.
  • Less then or equal to two victories of B.
  • In each matches there are two possibilities either favourable for A or B.

First case if A wins first match

  1.       two victories of B then two of A
  2.       victory of B then A then B then A
  3.       victory of B then A then A

Second case if B wins first match(favorable)

  1.      victory of two B then three A

So total cases are 4 and favorable is one

  probability=\frac{1}{4}

[Tree diagram is in attachment]

7 0
4 years ago
I. NEED. HELP! PLEASE!
mamaluj [8]

Answer:

x = 2.5

Step-by-step explanation:

We know the adjacent and the opposite sides to the angle in a right triangle

tan theta = opp / adj

tan 26 = 1.2 /x

x tan 26 = 1.2

x = 1.2 / tan 26

x =2.46036461

Rounding to the nearest tenth

x = 2.5

5 0
3 years ago
Read 2 more answers
10.25 per hour x 30 1/2
bonufazy [111]
That's basically (30.5)(10.25)

Answer: 312.625≈$312.63

PLEASE GIVE ME BRAINLIEST and I hope this answer helped!!!
3 0
3 years ago
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