How do you know if a graph you are looking at shows a periodic function?

1 answer:

7 0

You know when it is a periodic function if the values repeats in regular intervals or periods. An example of this is trigonometric functions that repeat over intervals of 2 pi radians.

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A lunar month has 28 days. About how many lunar months are in a year 365 days?

melomori [17]

To find out the result, we have to divide 365 days by 28 days:

365 / 28 = 13,03571428571429

So we can see it's 13 lunar months with something extra. To find that something extra we can multiply 28 by 13 and then substract the result from 365:

365 - (13 * 28) =
= 365 - 364 =
= 1

So there are 13 lunar months and one day.

8 0

2 years ago

The two tables give the number of pints of red and blue paint that are used to make different amounts of two shades of purple pa

ValentinkaMS [17]

The two highlighted rows show that for the same amount of blue, Purple #1 uses <u>more</u> red than Purple #2.

This means that Purple #1 is <u>a redder</u> shade of purple than Purple #2.

Purple #2 is <u>a bluer</u> shade of purple than Purple #1.

Step-by-step explanation:

The two highlighted rows show that for the same amount of blue, Purple #1 uses <u>more</u> red than Purple #2.

Making blue's quantity as 3 parts for purple #1 implies red part becomes 1.5 to maintain the ratio 1:2

Purple #1 has 1/3 parts red and 2/3 parts blue. Purple #2 has 1/4th part red and 3/4th part blue.

Hence, Purple #1 is <u>a redder</u> shade of purple than Purple #2.