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Llana [10]
3 years ago
12

Find the 10th term in the following arithmetic sequence if the constant being added is

Mathematics
2 answers:
Nookie1986 [14]3 years ago
5 0

Answer:

10th term = -88.

Step-by-step explanation:

This is an arithmetic sequence with first term = 20 and common difference -12.

nth term = a1 + (n - 1)d

10th term  = 20 + (10-1)*-12

= 20 - 108

= -88.


Murljashka [212]3 years ago
3 0

Find the 10th term in the following arithmetic sequence if the constant being added is  -12

Step-by-step explanation:

20 - 12 = 8

8 - 12 = -4

-4 - 12 = -16

So the sequence will be

20; 8; -4; -16

an = 20 - 12(n - 1)

a10 = 20 - 12(10 - 1) = -88

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Solve for x: -6(x + 4) + 9 > -5(x + 6)
devlian [24]

Answer:

x < 15

Step-by-step explanation:

Let's first expand the parentheses on both sides. Remember that when expanding parentheses, the result will be the sum of the products of the "outside number" with each of the "inside number".

On the left, the parenthetical expression is: -6(x + 4). Here, the outside term is -6 and the inside terms are x and 4. So:

-6(x + 4) = -6 * x + (-6) * 4 = -6x - 24

On the right, the parenthetical expression is: -5(x + 6). Here, the outside term is -5 and the inside terms are x and 6. So:

-5(x + 6) = -5 * x + (-5) * 6 = -5x - 30

Now put these back in:

-6(x + 4) + 9 > -5(x + 6)

-6x - 24 + 9 > -5x - 30

-6x - 15 > -5x - 30

x < 15

Thus the answer is x < 15.

Hope this helps!

3 0
3 years ago
Natalia and Riley hike 10 6/11 miles. In one day, Ricardo hiked to 2 3/4 times as far as Natalia and Riley hiked. how far did he
Maksim231197 [3]

Answer:

Ricardo hiked 29 miles.

Step-by-step explanation:

10 6/11 x 2 3/4

convert

116/11 x 11/4 = 1276/44

1276/44 = 29

7 0
3 years ago
David is playing a trivia game where he gains points for correct answers and loses points for incorrect answers. At the start of
lord [1]
At the end of Round 3, David's score would be 2000. 
6 0
3 years ago
FREE BRAINLIEST!: (n+2) to the power of 2 - 5a + 1 when n=6 and a=2
BlackZzzverrR [31]

Answer:

55

Step-by-step explanation:

2−5+1+8

11−5

i add 8 because  n is 6 so add 2 it is 8 so i put it in the problem  and got 55

have a nice day and sorry if wrong T_T

6 0
2 years ago
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denis23 [38]

Answer:

the answer is 17.3 repeated

Step-by-step explanation:

because 52 divided by 3

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