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olasank [31]
2 years ago
5

Is 10, 20, 40, 80... an arithmetic sequence?

Mathematics
1 answer:
Fynjy0 [20]2 years ago
5 0

Answer:

No.

Step-by-step explanation:

A arithmetic sequence is a sequence of numbers that go up by the same value each time. We can clearly see that this set of numbers does not go up by the same value each time, therefore ruling it out as an arithmetic sequence. This sequence is a geometric sequence in case you're wondering.

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In the early months of some year one site added 0.2 million new accounts everyday. At this rate, how many days would be needed t
WITCHER [35]
60 days, I think. Sixty times zero point two is twelve.


3 0
3 years ago
4- 5i= 8- 9i<br> 32i- 24= 7i+ 26
o-na [289]

Answer:

Sovle for I and go step by step and how your teacher has showed you i dont know how your teacher has showed you

Step-by-step explanation:

3 0
3 years ago
HELPPPPPPPPPPPP!!!!!
kykrilka [37]
9=3^2

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6 0
3 years ago
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Evaluate |6| - |-6|.<br><br> A. -36<br> B. 0<br> C. 6<br> D. 12
siniylev [52]

Answer: Answer is 12.

Step-by-step explanation:

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5 0
3 years ago
​ Quadrilateral ABCD ​ is inscribed in this circle.
Anna [14]
A quadrilateral, has 4 sides and its internal angles sum, add up to 360, now... you have 3 angles give.. .but we don't have C

so.. C is the difference of all the three angles from 360 or  \bf \measuredangle C=360-x-(2x+1)-148\implies \measuredangle C=360-x-2x-1-148   whatever that is, now, you'll get some value in x-terms

so.... now once we know what C is

you can if you want, do a search in google for "inscribed quadrilateral conjecture",  I can do a quick proof if you need one

but in short, for a quadrilateral inscribed in a circle, each pair of opposites angles are "supplementary angles", namely they add up to 180°

so.. what the dickens does all that mean?   well D+B=180 and A+C = 180

now. we know what A is, 2x+1
and by now, you'd know what C is from  360-x-2x-1-148

so... add them together then   and

\bf \begin{array}{cccclllll}&#10;A&+&C&=&180\\&#10;\uparrow &&\uparrow \\&#10;(2x+1)&+&(360-x-2x-1-148)&=&180&#10;\end{array}

solve for "x"


6 0
3 years ago
Read 2 more answers
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