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aleksandr82 [10.1K]
2 years ago
7

The product of eight and the sum of a number and nine

Mathematics
1 answer:
Crazy boy [7]2 years ago
8 0
8(n + 9) <== ur expression
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The area of a square is 72 sq in. What is its side length?
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18

Step-by-step explanation: Each side on a square its the same to the other one, so 72 divided by 4 its equal to 18

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How many factors are there in the expression (x-7)(y 11)?
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An arithmetic sequence has this recursive formula:
ankoles [38]

Hello!


The recursive rule for an arithmetic sequence: a_{n} = a_{n-1} + d.

The explicit rule for an arithmetic sequence: a_{n}=a_{1} +d(n-1).


a_{n} is the value you are trying to find, or simply the answer. :)

d is the common difference of the sequence.

a_{1} is the first term of the sequence.


Given, a_{1} = 8 and a_{n}=a_{n-1} - 6...

The common difference is -6, and the first term is 8.


Plug these values into the explicit rule for an arithmetic sequence, you get:

a_{n}=8+(-6)(n-1).


Therefore, the answer is A, a_{n}=8+(n-1)(-6).


If you wondered why, a_{n}=8+(-6)(n-1) is equal to a_{n}=8+(n-1)(-6), the Commutative Property of Multiplication states that when two numbers are multiplied together, the answer is the same regardless of the order of the numbers, which makes a_{n}=8+(-6)(n-1) and a_{n}=8+(n-1)(-6) equal to each other.

4 0
3 years ago
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A storage container is shaped like a rectangular prism. The volume of the container is 2415 cubic feet. The area of the base of
lubasha [3.4K]

Answer:

11.5 feet

Step-by-step explanation:

To solve this question first you take the volume which is 2415 and divide it by 210 to get your answer as 11.5 feet

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Elect the correct answer.
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