Answer:
x=3, y=-1. (3, -1).
Step-by-step explanation:
x-3y=6
2x+2y=4
--------------
x=3y+6
2(3y+6)+2y=4
6y+12+2y=4
8y+12=4
8y=4-12
8y=-8
y=-8/8
y=-1
x-3(-1)=6
x+3=6
x=6-3
x=3
Answer:
7 % $94.50(SALES TAX) Question only asks for the SALES TAX THOUGH
Step-by-step explanation:
$1350.00 x .07 =$94.50
$94.50 is your sales tax on B
$1444.50 (total) x 15% gratuity is $1444.50 x .15 = $216.68
$1444.50 + $216.68 =$1661.18
$1661.18 x .02 =$33.22
$1661.18 + $33.22 = $1694.40 Total cost of your computer repair
Answer:
Step-by-step explanation:
all u have to do is on the x axis go over .9 spaces than go up on the y axis and go over 7.2 spaces then that is how u plot them do that with all of them i would put the answer but i do not have a graph on here.
Answer:
Step-by-step explanation:
substitute (1) to (2):
add x to both sides
subtract 5 from both sides
substitute the values of x to (2):
First, we'll need to find the definition for "unit cost" and "unit rate"
What is a unit rate?
Rates are usually expressed as a quantity of 1 such as 2 feet per second or 5 miles per hour
The words: miles per hour or feet per hour is a unit rate.
What is a unit cost?
Unit costs are used as a measure of a company's cost to build one unit of a product. This includes fixed costs and variable costs.
In conclusion.
Unit rates and unit costs are almost the same thing. But, they're sometimes used in different ways.
