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gayaneshka [121]
3 years ago
10

What is least common factor of 4 and 10

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
4 0

Answer:

20

Step-by-step explanation:

the least common factor for 4 and 10 is 20

devlian [24]3 years ago
3 0

Answer:

20

Step-by-step explanation:

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This math my graduation depends on it
In-s [12.5K]

In an arithmetic sequence, consecutive terms have a fixed distance d between them. If a₁ is the first term, then

2nd term = a₂ = a₁ + d

3rd term = a₃ = a₂ + d = a₁ + 2d

4th term = a₄ = a₃ + d = a₁ + 3d

and so on, up to

nth term = a_n = a_{n-1} + d = a_{n-2} + 2d = a_{n-3} + 3d = \cdots = a_1 + (n-1)d

so that every term in the sequence can be expressed in terms of a₁ and d.

6. It's kind of hard to tell, but it looks like you're given a₁₃ = -53 and a₃₅ = -163.

We have

a₁₃ = a₁ + 12d = -53

a₃₅ = a₁ + 34d = -163

Solve for a₁ and d. Eliminating a₁ and solving for d gives

(a₁ + 12d) - (a₁ + 34d) = -53 - (-163)

-22d = 110

d = -5

and solving for a₁, we get

a₁ + 12•(-5) = -53

a₁ - 60 = -53

a₁ = 7

Then the nth term is recursively given by

a_n = a_{n-1}-5

and explicitly by

a_n = 7 + (n-1)(-5) = 12 - 5n

7. We do the same thing here. Use the known terms to find a₁ and d :

a₁₉ = a₁ + 18d = 15

a₃₈ = a₁ + 37d = 72

⇒   (a₁ + 18d) - (a₁ + 37d) = 15 - 72

⇒   -19d = -57

⇒   d = 3

⇒   a₁ + 18•3 = 15

⇒   a₁ = -39

Then the nth term is recursively obtained by

a_n = a_{n-1}+3

and explicitly by

a_n = -39 + (n-1)\cdot3 = 3n-42

8. I won't both reproducing the info I included in my answer to your other question about geometric sequences.

We're given that the 1st term is 3 and the 2nd term is 12, so the ratio is r = 12/3 = 4.

Then the next three terms in the sequence are

192 • 4 = 768

768 • 4 = 3072

3072 • 4 = 12,288

The recursive rule with a₁ = 3 and r = 4 is

a_n = 4a_{n-1}

and the explicit rule would be

a_n = 3\cdot4^{n-1}

7 0
2 years ago
Dan earns £384 over the course of a five-day week. How much is that per day?
Aneli [31]

Answer:76.8

Step-by-step explanation:divde by 7 hope this helps god bless

5 0
3 years ago
Read 2 more answers
The mass, m, of a lorry is 9.23 tonnes rounded to 2 decimal places.
Tatiana [17]

Answer:

9.225 < x \leq 9.235

Step-by-step explanation:

3 0
2 years ago
What is 1 divided by 243??
AlekseyPX
Is this the actual question
6 0
3 years ago
Read 2 more answers
A line contains the point (3, 5). If the line has negative slope, which of these points could also be on the line?
Alex_Xolod [135]

Answer:

C.(5,4)

Step-by-step explanation:

8 0
2 years ago
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