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devlian [24]
2 years ago
8

If your good at maths help me

Mathematics
2 answers:
Mkey [24]2 years ago
5 0

Answer:

aₙ= 6n +1

Step-by-step explanation:

Second term a₂= 13

Common difference d= 6

Then first term

  • a₁= 13 -6= 7

nth term:

  • aₙ= a₁ + (n-1)d
  • aₙ= 7 + (n-1)*6= 7+6n -6 = 6n +1
  • aₙ= 6n +1
ahrayia [7]2 years ago
3 0

Answer:

6n+1

Step-by-step explanation:

first term=13-6=7

nth term=7+(n-1)6=7+6n-6=6n+1

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What is the area of this composite figure?
Gelneren [198K]

Answer:

249 centimeters squared

Step-by-step Explanation:

The area of the rectangle: l x w, where l is the length and w is the width.

= 15.5 x 18

= 279

Area of the smaller rectangle: l x w, where l is the length and w is the width.

= 4 x 7.5

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Area of the shaded region:

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2 years ago
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20 PTS What is the sixth term of the sequence shown in the table? Term Value 1 –46,656 2 7,776 3 –1,296 4 216 5 6 {SEE IMAGE}
olganol [36]

Answer:

a₆ = 6

Step-by-step explanation:

There is a common ratio r between consecutive terms in the sequence, that is

r = \frac{216}{-1296} = \frac{-1296}{7776} = \frac{7776}{-46656} = - \frac{1}{6}

This indicates the sequence is geometric.

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a₅ = 216 × - \frac{1}{6} = - 36

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8 0
3 years ago
Find the volume of the cylinder using the given formula
insens350 [35]

Answer:

B. 1469.52 cubic units

Step-by-step explanation:

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Would you use the Law of Sines or the law of cosines to solve a triangle if. given all three sides of the triangle?
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