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andrezito [222]
3 years ago
8

Which sequence is ARITHMETIC?

Mathematics
2 answers:
loris [4]3 years ago
8 0

Answer:

a

Step-by-step explanation:

zzz [600]3 years ago
3 0

Answer:

An arithmetic sequence is a list of numbers with a definite pattern.

Step-by-step explanation:

example (credits to picture owner)

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natta225 [31]

Answer:

1)=0

2)

\frac{ \sqrt{3} }{?2}

3)

\sqrt{3}

4)

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3 0
2 years ago
Help please ...................
GarryVolchara [31]

Answer:

2( \frac{1}{2}5 \times 6.4)  + 2( \frac{1}{2} 5 \times 12.4) \\  = 2(16) + 2(31) \\  = 32 + 62 \\  = 94m ^{2}

6 0
3 years ago
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maw [93]

Answer:

39°

Step-by-step explanation:

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3 0
3 years ago
Which set of side lengths form a right triangle?
astraxan [27]
Since we don't want to use the Pythagorean Theorem on all of these, first we look for some Pythagorean Triples. Its very helpful to know some of the common ones, so here's a list:

3, 4, 5
5, 12, 13
7, 24, 25
8, 15, 17

So we either look for these or a multiple of these numbers.

The last one is the only one that fits because 15, 20, 25 is a multiple of the triple 3, 4, 5 by multiplying all of them by 5. 

Thus, 15, 20, 25 forms a right triangle. 
4 0
3 years ago
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