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3 years ago

12 + n/5 = 16 what is n

Mathematics

2 answers:

Orlov [11]3 years ago

5 0

Answer:

5×16=80

80-12=68

n=68

melamori03 [73]3 years ago

3 0

Answer n=20

Step-by-step explanation:

12 needs to grow by 4 to get to 16 right? and a division problem so n/5 would need to be 20/5 to make it 4 as a whole number so n would need to be 20 because 20/5 is 4 then 12+4 is 16.

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Read 2 more answers

Find the indicated sum of each sequence S8 of -2,-13,-24,-35

valentina_108 [34]

Answer:

The sum of the arithmetic sequence is $S_{8}=-324$ .

Step-by-step explanation:

A sequence is a set of numbers that are in order.

In an arithmetic sequence the difference between one term and the next is a constant. In other words, we just add the same value each time infinitely.

If the first term of an arithmetic sequence is $a_1$ and the common difference is d, then the nth term of the sequence is given by:

$a_{n}=a_{1}+(n-1)d$

For the sequence

$-2,-13,-24,-35,...$

The pattern is continued by adding -11 to the last number each time.

An arithmetic series is the sum of an arithmetic sequence. We find the sum by adding the first, $a_1$ and last term, $a_n$ , divide by 2 in order to get the mean of the two values and then multiply by the number of values, n