2 years ago

The nth term of a sequence is given by 12 - 5n. Write down the first 3 terms of the sequence.

Mathematics

1 answer:

zysi [14]2 years ago

6 0

Answer:

$\bold{a_1=7\,,\quad a_2=2\,,\quad a_3=-3}$

Step-by-step explanation:

$a_n=12-5n\\\\\\a_1=12-5\cdot1=12-5=7\\\\a_2=12-5\cdot2=12-10=2\\\\a_3=12-5\cdot3=12-15=-3$

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Natasha2012 [34]

Answer:

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2 years ago

Help please! ill mark brainliest!

jenyasd209 [6]

Answer:

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Step-by-step explanation:

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2 years ago

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valentinak56 [21]

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3 years ago

The ratio of the number of Mary's necklaces to the number of Helen's necklaces is 25:9.Mary's has 100 necklaces. How many neckla

Kruka [31]

Answer: 36

Step-by-step explanation:

Given

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2 years ago

The hypotenuse of a right triangle is 10cm long. One of the triangle’s legs is three times the length of the other leg. Find the

Tema [17]

Answer:

side_1 = 10

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Step-by-step explanation:

pitagora's theorem

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2 years ago