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irakobra [83]
2 years ago
13

100 POINT QUESTION!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
valentinak56 [21]2 years ago
8 0

Answer:

D

Step-by-step explanation:

svet-max [94.6K]2 years ago
5 0

Answer:

hzhzhsgdhxhxhdhdhdhdhdhhdhfhvfbfbcbfbf .D

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Chelsea writes the expression (n + 1)(n + 2) + 2n for the number of circles used to make the nth figure in the pattern shown.
Nikolay [14]

Answer:

Step-by-step explanation:

3 0
3 years ago
Two times a number plus four is 22. What is the number?<br> 2<br> 6<br> 9<br> 11
34kurt

Answer:

9

Step-by-step explanation:

22-4 = 18 ("plus four")

18/2 = 9 ("two times a number")  

3 0
3 years ago
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Find the sum of the sequence. 42+43+44+45+...+107
8090 [49]

Answer:

4917

Step-by-step explanation:

<u>Given sequence: </u>

  • 42, 43, 44, 45, ..., 107

This is AP with common difference of 1, the first term of 42 and the last term of 107

<u>Number of terms:</u>

  • 107 - 42 + 1 = 66

<u>Sum of the terms:</u>

  • Sₙ= 1/2*n*(a₁+aₙ)
  • Sₙ= 1/2*66*(42+107) =  4917

<u>Answer is:</u> 4917

8 0
3 years ago
What is the value of pi
11111nata11111 [884]

Pi really goes on for infinity, but here are the first seven numbers:

3.14159

8 0
3 years ago
TIMED
Rudik [331]
-x^2 + 4x + 12 = -3x + 24

-> x^2 - 7x + 12 = 0

-> (x-3)(x-4) = 0

-> x= 3 or 4

so y = 15 when x = 3, y = 12 when x = 4
6 0
3 years ago
Read 2 more answers
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