I hope this helps you
length =width +1.25
Area =length ×width
320=w. (w+1.25)
w=18.625
l=19.875
-3x+4=-8
-3x=-8-4
-3x=-12
X=-12 divided by -3
X=4
Answer:
isosceles triangle
Step-by-step explanation:
The answer is b=P-a-(n+1) all you had to do was the a and the parenthesis from the b and put it on the other side
9514 1404 393
Answer:
(x, y) = (7, -1)
Step-by-step explanation:
The expression for x makes it easy to use that for substitution.
3(-7y) +y = 20
-20y = 20 . . . . . collect terms
y = -1 . . . . . . . . . divide by -20
-7(-1) = x = 7 . . . use y in the second equation to find x
The solution is (x, y) = (7, -1).