reneebrown017
22.01.2021 •
Mathematics
PLEASE HELP! i need the surface area of this rectangle (mixed number, not a decimal or improper fraction)
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Ответ:
x
2
−
10
=
−
6
1
2
x
+
−
10
=
−
6
1
2
x
−
10
=
−
6
Step 2: Add 10 to both sides.
1
2
x
−
10
+
10
=
−
6
+
10
1
2
x
=
4
Step 3: Multiply both sides by 2.
2
*
(
1
2
x
)
=
(
2
)
*
(
4
)
n
=
8