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mel-nik [20]
3 years ago
7

Find the 15th term of the geometric sequence 10, 20, 40, ...

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
5 0

Answer:

70,110160,220,290,370,460 i thinks

step by step explanation

first no they added 10 next they added 20 so they are increasing 10

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M∠P is 10 more than 3 times a number, m∠N is 8 less than 5 times the same number. What is m∠M?
svetoff [14.1K]
∠n = ∠p

p - 3x = 10

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by adding the two equations

2x = 18 , x = 9

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5 0
3 years ago
0.5 as a fraction in lowest term
Nadusha1986 [10]

Seriously?

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3 0
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Ken has a pole that is 26 inches long. He wishes to cut it into two pieces so that one piece will be 8 inches longer than the ot
Yuliya22 [10]

Answer:

9 inches

Step-by-step explanation:

Do the question algebraically, represented by this equation:

let x be the shorter piece

x + (x + 8) = 26                      (longer piece is 8 units longer)

Remove brackets

x + x + 8 = 26                 Combine like terms              

2x + 8 = 26                   Start isolating "x"

2x + 8 - 8 = 26 - 8           Subtract 8 from both sides

2x = 18

2x/2 = 18/2           Divide both sides by 2

x = 9                    shorter piece

The shorter piece would be 9 inches.

If you needed the longer piece too:

longer piece = x + 8

x + 8

= 9 + 8

= 17

The longer piece would be 17 inches.

Check your answer:

Longer + Shorter = 26           Substitute the lengths

17 + 9 = 26                    Add

26 = 26                same number

LS = RS                left side equals right side

The answer is correct.

3 0
3 years ago
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Answer:

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What is an equivalent expression to 7x + 56
klasskru [66]
It would be equivalent to x=8
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3 years ago
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