10. A polyhedron has 5 faces and 9 edges. How many vertices does ithave?
2 answers:
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Answer:
Choice C
Step-by-step explanation:
Divide both sides by -3.55; remember that by dividing both sides of an inequality by a negative sign, you need to change the direction of the inequality sign.
Answer: Choice C
Answer: The mistake is improper use of distribution property.
Step-by-step explanation:
It is given that .
We need to find the mistake.
The given expression is
Using distribution property, we get
So, .
In the given calculation the 3 is not distributed properly because 3 is not multiplied with 2.
Therefore, the mistake is improper use of distribution property.