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Vadim26 [7]
3 years ago
11

30 points!!!!!

Mathematics
1 answer:
wlad13 [49]3 years ago
3 0

Answer:

A=522

Explanation:

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the sum of the 10th and 11th terms of an arithmetic sequence is 65 what is the sum of its first 20th terms​
Dmitriy789 [7]

Answer:

this is the answer

Step-by-step explanation:

a 65

b 650

c 52

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2 years ago
Help? Luis has saved $15. He doubles the amount he saves each week. Does this represent an exponential function? Choose the corr
lozanna [386]

Answer:

1). Does Not

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Step-by-step explanation:

According to the Question,

Given that, Luis has saved $15. He doubles the amount he saves each week.

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kondor19780726 [428]
Hey there!

No numbers go into a prime number other than one and that number. 9 and 7 go into 63, so it’s not 63. 3 and 17 go into 51, so it’s not 51. 19 and 3 go into 57, so it’s not 57. That leaves 61. Nothing goes into this other than one and 61, so the answer is 61.

I hope this helps!
7 0
3 years ago
Area of a square is 80cm square what is it perimeter
tatyana61 [14]
The perimeter of the square is 35.78

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