Plus all the sides that simple if area of triangle is 1/2 x b x h
.25(4) = 1 gallon
.25(8) = 2 gallons
.25(12) = 3 gallons
.25(16) = 4 gallons
.25(20) = 5 gallons
it would take 20 minutes to remove half the water (aka 5 gallons)
So in matt's equation, he made a mistake in the a transision from line 2 to line 3
in line 2: -4(-2)2
in line 3: -4(4)
the mistake is that -2 times 2 is not equal +4 it is equal to -4
also from lines 5 to 6 he made a mistake in order of opperations (mulit division then addition and subtract)
line 5: -10+30/5
line 6: 20/5
so he first subtracted 10 then divided, he should have divided then subtracted
so the equation should have equaled
Karen used the correct (-) times (+) property and the order of operations
so Karen is correct and Matt is wrong.
9514 1404 393
Answer:
238 feet
Step-by-step explanation:
The difference in their elevations is ...
-112 -(-350) = 350 -112 = 238 . . . feet
Answer:
A
Step-by-step explanation:
40+6=12
12*X=645
697+645=12500
then,
X=5 and 8
