one Brian's item cost: x
one Chris' item cost: x+2.5
Set up equation:
Brians amount = Chris amount
4*x = 3*(x+2.5)
solve for x:
4x = 3x + 7.5
x = 7.5
Brian's items cost $7.5 each.
Check:
Brian paid 4*7.5 = $30
Chris paid 3*10 = $30
The individual cost of Brian's items was $7.50, and the indiv. cost of Chris' items was $10.
The answer is
Length=6
Width=4
I just guessed and checked here but you might have learned a better way to do it for future problems.
Step-by-step explanation:
use the slope and coordinates to find the equation of line then substitute the value of X in the equation to find Y.
if it helps pls mark me brainliest
Answer:
Step-by-step explanation:
Given
Required
Express as partial fraction
Expand the numerator
Factorize
Factor out x + 3
As a partial fraction, we have:
Take LCM
Cancel out (x + 3)^2 on both sides
Open bracket
By comparison, we have:
===>
Substitute 3 for A
Solve for B
Substitute: and in
Hence, the partial fraction is:
Answer:
The slope of the line y = 1 is zero.