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AlekseyPX
3 years ago
15

Write an equation for the nth term of the arithmetic sequence -9,-4,1,6 then find a50

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer :

an = -9 + (9-1) 5

an = -9 + (8) 5

an = -9 + 40

an = 31 is the answer

Hope it helped

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(120°<br> 3x<br> 2x<br> Solve for x!<br> 120<br> 24<br> 360<br> 20
Alexandra [31]

Answer:

The angles in a triangle should always add up to 180 degrees.

The four angles made by a set of intersecting lines will always add up to 360 degrees and the ones across from eachother are always the same.

This means that the triangle's unmarked angle is 60 degrees.

2*24 = 48 and 3*24 = 72       48 + 72 + 60 = 180 degrees

24 will be your correct answer.

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3 years ago
Help me !!! ASAP HOW MANY MINUTES
Lelechka [254]

Answer:

40 min

Step-by-step explanation:

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3 years ago
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g100num [7]

Answer:

Total 390 hardcover books were sold

Step-by-step explanation:

Complete question

The author received a total of $195,000 for the book sales. How many hardcover books were sold if the cost of one hardcover book is  $500. Type in numbers only.

Solution

Given-

Total value of sale of hard cover = $195,000

Cost of one hardcover book = $500

Number of books sold = Total value of sale of hard cover/Cost of one hardcover book

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3 years ago
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Schach [20]

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5 0
3 years ago
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motikmotik

Answer:

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Step-by-step explanation:

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Combine 3.5 and 7.56

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Subtract 11.06 from both sides

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