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Readme [11.4K]
3 years ago
10

Find the 9th term in the following arithmetic sequence -7, -1, 5, 11

Mathematics
2 answers:
Masja [62]3 years ago
6 0

Answer:

41

Step-by-step explanation:

calculate the difference between each number and find out how many are left in the sequence and multiply by that

in this case the difference was 6 and you needed 5 more until you hit the ninth number so 5*6+30 30+11=41

inn [45]3 years ago
3 0

Answer:

41

Step-by-step explanation:

1. Multiply 5 by 6 in order to get to the 9th number. (5 places away, 4 were given.) Also, notice that the difference between all of the numbers are consistently 6.

2. Add 30 to 11, which gives you 41.

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Step-by-step explanation:

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2 years ago
Complete the statement by typing the letter of the angle.<br> m∠ =54º
tekilochka [14]

Answer:

x = 16

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Step-by-step explanation:

Make a equation of all of the angles added together is equal to 180 since the angles of a triangle added together is 180

(4x-10)+(2x+7)+(7x-25)=180

combine like terms

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2 years ago
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Simplify (2x2 - 5) - (3x2 + 4).
statuscvo [17]

Answer:

-x² - 9 is your simplified form

Step-by-step explanation:

Combine terms with the same amount of variables.

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3 years ago
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