Answer:
x = 6/3y+1
Step-by-step explanation:
x+3xy=6
Step 1: Factor out variable x.
x(3y+1)=6
Step 2: Divide both sides by 3y+1.
x(3y+1) / 3y+1
so x = 6/3y+1
Using proportions, it is found that the federal tax rate is of 10%.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
The tax rate is the <u>proportion that $17.50 is of $175</u>, hence:
r = 17.50/175 = 0.1 = 10%.
The federal tax rate is of 10%.
More can be learned about proportions at brainly.com/question/24372153
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I don't know sorry I tried to work it but didn't work
Answer:
Option A is correct
and 
Step-by-step explanation:
Given the functions:
then;
combine them to create an arithmetic sequence i.e,
⇒ where n is the number of terms
To find the 31st term.
Substitute n =31 we have;
⇒
Therefore, we have an arithmetic sequence,
and
