2 years ago

Select all ratios that are in their simplest form. A6:19 B24:2 C13:5 D26:13 E9:22

Mathematics

2 answers:

diamong [38]2 years ago

8 0

Answer:

A, C, E

Step-by-step explanation:

They all can't be divided by a GCF

faltersainse [42]2 years ago

8 0

Answer:

A,C,E

Step-by-step explanation:

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3 years ago

The first term of an arithmetic sequence is 14. The 25th term is 206. find the common difference

Alexandra [31]

We can manipulate the arithmetic sequence formula to solve this problem.

Let's look at $a_{n} = a_{1} +(n-1)d$ where $a_{n}$ is the $n^{th}$ term, $a_{1}$ is the first term, $n$ is the number of terms, and $d$ is the common difference. We already know that $a_{1}$ is equal to $14$ , $n$ is equal to $25$ , and $a_{25}$ is equal to $206$ . This therefore leave us with only the common difference to solve.

Manipulating the formula we can arrive at the answer:
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ANSWER: The common difference is 8.

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4 years ago

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4 years ago

Select all ratios that are in their simplest form. A6:19 B24:2 C13:5 D26:13 E9:22​

Select all ratios that are in their simplest form. A6:19 B24:2 C13:5 D26:13 E9:22