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Semenov [28]
3 years ago
7

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]3 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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Step-by-step explanation:

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3 0
2 years ago
Lorenzo buys 3 shirts at S dollars a piece and 2 pairs of pants at P dollars a pair. What does the expression 3s + 2p represent?
ryzh [129]

Answer:

The expression 3s + 2p represent total price of 3 shirts and 2 pairs of pants.

Step-by-step explanation:

It is given that

Price of a shirt = S dollar

Price of a pair of pants = P

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Total number of pairs of pants = 2

Total price = Quantity × Price of each unit

Total price of 3 shirts = 3S

Total price of 2 pairs of pants = 2P

Total price of 3 shirts and 2 pairs of pants = 3S + 2P

Therefore the expression 3s + 2p represent total price of 3 shirts and 2 pairs of pants.

3 0
3 years ago
Read 2 more answers
Which graph shows the solution set of ?
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Step-by-step explanation:

8 0
3 years ago
Erode is 4/7 of a mile long a crew needs to repave 3/7 of it how long is the section that needs to be repaved in simplest form
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12/49

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12/49 miles long is being repaved.

This can be tested by taking a mile (in feet for example) and multiplying 5280 ft by 4/7 then by 3/7 to get the same answer as taking 5280 ft times 12/49.
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3 years ago
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