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jiggyN
23.04.2021 •
Mathematics
What is the volume of a cone that has a height of 10 feet and a
base with an area of 9 square feet? (I will grade this manually.
Remember to include the units.)
Solved
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Ответ:
Option D is correct.
System of equations can be used is given by:
Step-by-step explanation:
here, h represents the weight of the hardcover book, and p represents the weight of the paperback.
As per the given statement: The hardcover version of a book weighs twice as much as its paperback version.
⇒![h = 2p](/tpl/images/0215/2790/917f7.png)
Also, it is given that the hardcover book and the paperback together weigh 4.2 pounds
⇒![h + p = 4.2](/tpl/images/0215/2790/0d0c6.png)
or
Therefore, the system of equations can be used is given by: