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horrorfan [7]
2 years ago
15

determine whether the sequence is geometric. if so, find the common ratio. -3125, 625, -125, 25,....​

Mathematics
1 answer:
Vadim26 [7]2 years ago
8 0
Geometric. Answer C) -1/5
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5. solve for x
miss Akunina [59]

Answer:

x = 17, MN = 11

Step-by-step explanation:

Given 2 secants from an external point to a circle, then

The product of the external part and the whole of one secant is equal to the product of the external part and the whole of the other secant.

(5)

7(7 + x) = 8(8 + 13) = 8 × 21 = 168 ( divide both sides by 7 )

7 + x = 24 ( subtract 7 from both sides )

x = 17

(6)

9(9 + 2x - 7) = 10(10 + 8)

9(2x + 2) = 10 × 18 = 180 ( divide both sides by 9 )

2x + 2 = 20 ( subtract 2 from both sides )

2x = 18 ( divide both sides by 2 )

x = 9

Then

MN = 2x - 7 = 2(9) - 7 = 18 - 7 = 11

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2 years ago
What is the decimal equivalent of 7/16
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The answer is 0.4375
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3 years ago
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Step-by-step explanation:

The numbers both multiplied by 10

3 -6

30-60

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3 years ago
The difference between a number and 12 is 20
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X + 12 = 20
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