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Gnesinka [82]
3 years ago
6

The cost of highlighters is proportional to the number of highlighters purchased. If a 4-pack of

Mathematics
1 answer:
DaniilM [7]3 years ago
5 0

Answer:

$1.10

Step-by-step explanation:

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Find the 6th term of the arithmetic sequence X – 9, -X – 11, -3.3 – 13, ...
MrMuchimi

Answer:

-13x-23

Step-by-step explanation:

Given sequence:  x-9, -x-11, -3x-13

Therefore,

  • a_1=x-9
  • a_2=-x-11
  • a_3=-3x-13

General form of an arithmetic sequence: a_n=a+(n-1)d

(where a is the first term and d is the common difference)

To find the common difference, subtract a term from the next term:

\begin{aligned}d & =a_2-a_1\\ & =(-x-11)-(x-9)\\ & = -x-11-x+9\\ & = -2x-2\end{aligned}

Therefore,

a_n & =(x-9)+(n-1)(-2x-2)

To find the 6th term, input n = 6 into the equation:

\begin{aligned}\implies a_6 & =(x-9)+(6-1)(-2x-2)\\ & = (x-9)+7(-2x-2)\\ & = x-9-14x-14\\ & = -13x-23\end{aligned}

3 0
2 years ago
How many terms are in the simplified expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2
Vilka [71]

there are 6 terms in the simplified expression


4 0
3 years ago
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Any good strategies/tricks for multiplying decimals?
seraphim [82]
line up your decimals and then multiply like usual, next count how many places after the decimal your problem(s) was and place it to your answer
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3 years ago
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Which term is defined as a fee charged for the use of money?
Veronika [31]

Which term is defined as a fee charged for the use of money?

\sf\purple{a.\:interest} ✔

b. down payment

C. principal

d. default

Explanation:

Interest is defined as a fee charge for the use of money.

\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35\:ヅ}}}}}

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2 years ago
I'm not playin anymore stop putting links and just answer the question n don't steal my points im over it
Sveta_85 [38]
The correct answer is C
The total of both granola (g) and raisins (r) she wants is 15 lbs. Granola costs 2 and raisins cost 4.50 and that total price would be 37.50
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2 years ago
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