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seraphim [82]
4 years ago
14

What is the sum of the arithmetic sequence 8, 14, 20 ..., if there are 22 terms?

Mathematics
2 answers:
timama [110]4 years ago
5 0

Answer: I'm pretty sure its 1562

prohojiy [21]4 years ago
3 0

Answer:

The sum of 22 terms of given AP = 1562

Step-by-step explanation:

Formula:-

Sum of n terms of AP,

Sₙ= (n/2)[2a + (n - 1)d]

<u>To find the sum of 22 terms</u>

Here. a = 8, d = 6 and n = 22

Sₙ= (n/2)[2a + (n - 1)d]

S₂₂ = (22/2)[2*8 + (22 - 1)*6]

  = 11[16 + 126] = 11 * 142 = 1562

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Step-by-step explanation:

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8 0
3 years ago
Find the value of c that completes the square. Show your work.
Vanyuwa [196]

Answer:

26. 16

27. 1

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Step-by-step explanation:

26. (b/2)² = (-8/2)² = 16

27. (b/2)² = (-2/2)² = 1

28. (b/2)² = (-14/2)² = 49

29. (b/2)² = (26/2)² = 169

30. (b/2)² = (-32/2)² = 256

3 0
3 years ago
Id really appreciate it if someone helped me , i’ll give you brainliest
Vadim26 [7]

Answer: it’s the same 110 degrees

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Can someone help me please
Verizon [17]
I have solved it. Answer is B.

Hope it helps!
3 0
4 years ago
Please help!! Thanksss
poizon [28]

Answer:

b

Step-by-step explanation:

complimentary which means both angles are the same and on the opposite sides of each other

im not sure if the explanation is correct but im pretty sure the answer is

6 0
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