A direct variation has a constant slope, i.e. (y/x)= constant.
Both of the given two points give a slope of (y/x)=14/2=28/4=7, so the equation of the function is
y/x=7, or simply
y=7x
Perimeter is 2l+2w in the case of a rectangle, so you would write:
2(4x - 4.25) + 2(7x +7)
Answer:
Monica spent 0.55 hours listening to Brahms.
Step-by-step explanation:
We are given the following in the question:
Amount of time spent listening to tapes of Beethoven and Brahms =

Amount of time spent listening to Beethoven =

Total time spent listening to Brahms =
Amount of time spent listening to tapes of Beethoven and Brahms - Amount of time spent listening to Beethoven

Thus, Monica spent
listening to Brahms.
Answer:

Step-by-step explanation:
Given

Required
Fill in the gaps
Going by the given parameters, we have that

, when factorized is 
Hence; the expression becomes

Combine Fractions

Simplify the denominators

By direct comparison


Hence, the complete expression is

If he sang the same number of songs each month, he sang 80 songs per month.
960/12 (months) = 80 (songs per month)