The two-way table shows the math and language arts course choices of eighth-grade students at Lana's school
2 answers:
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Answer:
y = - or - 15.75
Step-by-step explanation:
Order of operations.
y + = y -
-
Subtract y from each side.
y - y + = y - y -
-
= -
-
Add
to each side
+
= -
+
-
+
= -
Find the common denominator for
and
, which is 4
*
+
= -
+
= -
= -
Multiply each side by 3
* 3 = -
* 3
= - y Divide each side by -1
y = - = - 15
y = - 15.75
The formula for finding the volume of a cube is 
, where s is the side length.
The formula for a cube with each side length doubled is
, or 8<span>s.
</span><span>If all the dimensions of a cube are doubled, then the new volume is eight times greater.</span>
The formula for a cube with each side length doubled is
</span><span>If all the dimensions of a cube are doubled, then the new volume is eight times greater.</span>