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ratelena [41]
3 years ago
9

Please solve no. 8 if you can all but at lesat no. 8​

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
4 0

Answer:

4p'fair x+2is answer in following

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The formula for the nth term of the arithmetic sequence first term is 9 common difference is -2
Yanka [14]

Answer:

a_n = 9 - 2(n-1)

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms is always the same, and is called common difference.

The nth term is given by the following equation:

a_n = a_1 + (n-1)d

In which a_1 is the first term and d is the common difference.

First term is 9 common difference is -2

This means that a_1 = 9, d = -2

So, the nth term is given by:

a_n = a_1 + (n-1)d

a_n = 9 + (n-1)(-2)

a_n = 9 - 2(n-1)

3 0
3 years ago
Which operation will cancel out division?
emmasim [6.3K]

Answer:

The operation that will cancel out division is multiplication.

Step-by-step explanation:

For example:

\frac{2+5x}{2} \\

*in order to solve for x, and get the upper equation without division, you must multiply by the negative reciprocal*

2*(\frac{2+5x}2} )

4+10x\\

*to get x alone, we must subtract 4 from both sides*

10x = -4\\\\-4 / 10 = - 2/5

x=- 2/5

8 0
3 years ago
-5<br><br>x=-9<br><br>x=11<br><br>x=12<br><br>x=8<br><br>-5x+6(4x+15)=242
Lyrx [107]

-5x+6(4x+15)=242\qquad|\text{use distributive property}\\\\-5x+(6)(4x)+(6)(15)=242\\\\-5x+24x+90=242\qquad|\text{subtract 90 from both sides}\\\\19x=152\qquad|\text{divide both sides by 19}\\\\x=8

4 0
3 years ago
Read 2 more answers
Help asap please gkhtkrkgkrkfkgfkd
scoundrel [369]

Step-by-step explanation:

gkhtkrkgkrkfkgfkd ???

8 0
3 years ago
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A square has a side length of (X + 8) feet long. Which expression(s) represent(s) the perimeter of the square, in square feet? S
tekilochka [14]

Answer:

D and E

Step-by-step explanation:

Perimeter = 4s

4(x + 8)

4x + 32

5 0
3 years ago
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