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irina [24]
3 years ago
8

Find the value of x. A 7x + 10 с В 00 9x - 2 D

Mathematics
1 answer:
WARRIOR [948]3 years ago
5 0

Answer:

6

Step-by-step explanation:

AB = BD

so, 7x + 10 = 9x -2

or, 10 + 2 = 9x -7x

or, 12 = 2x

or, 6=x

Therefore, x=6

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Find the sum of the first 12 terms of the sequence 512, 256, 128, … This is infinite series notation, the answer is NOT 896...
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Answer:

1023.75

Step-by-step explanation:

The sum of a geometric sequence is

sum = a( 1 - r^n) / (1-r)

where a is the first term  r is the common ratio and  r^n is the nth term

We need to find the common ratio

r = 256/512 = 1/2

sum = 512 ( 1 - 1/2^12) / ( 1-1/2)

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       =512(.999755859) /.5

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Answer:

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Step-by-step explanation:

The next step from here, will be :

Draw intersecting arcs inside the angle from points D and E without changing the compass width.

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3/196

Step-by-step explanation:

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Which is not a common factor of 15, 45,and 90
Naddika [18.5K]

Answer:

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Step-by-step explanation:

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