sssudeegaming1943
10.11.2020 •
Mathematics
Solve the problem. Check answers to be sure they are reasonable.
A square mirror has sides measuring 2 feet less
than the sides of a square painting. If the difference
between their areas is 20 ft?, find the lengths of the
sides of the mirror and the painting.
The length of the side of the painting is
and the length of the side of the mirror is
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Ответ:
To find the density of an object, you divide the mass by the volume. Therefore, we can write the following equation. All we need to do is input our values and solve.
D = M / V
20 = M / 1000
20,000 = m