ANSWER
Eva is correct because 13/2 + 3/2 = 8
There is no mistake. Dakota may have thought that there was a mistake because Eva simplified when she got the answer for 4x which is correct but Dakota may have thought that it was incorrect.
Answer:
Since both terms are perfect squares, factor using the difference of squares formula,
a
^2
−
b
^2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
y
and
b
=
6
(
y
+
6
)
(
y
−
6
)
Answer:
A.) 588329.896
B.) 274300
C.) 1657.18474
D.) 1.002
(All answers unrounded.)
Explanation:
I converted each unit to the unit used in the other number (E.g., for question A I converted tons to kilograms, and then finished solving.)
Answer:
As per the statement:
Mr. Roseanne will buy
pounds beef for for a cookout.
⇒ Weight of the beef he buy =
pounds.
It is given that:
The price for the first 3 pounds of beef is $4.99 per pound.
then;
the price for 3 pounds he will pay= 
After that, the price is $4.49 per pound.
Remaining weight of beef left =
pounds.
then;
the price of
pounds he will pay = 
now, total money he will pay for the
pounds beef = 
Therefore, $57.625 will Mr. Roseanne pay for the beef