Answer:
In a physical change the appearance or form of the matter changes but the kind of matter in the substance does not. However in a chemical change, the kind of matter changes and at least one new substance with new properties is formed.
Answer:
7 students have neither blue nor brown hair.
Step-by-step explanation:
Option A:
is the equation.
Explanation:
Let x represents the number of hours per month the store is open.
It is given that the the monthly rent(expense) = $1200
Also, the employee salary for each hour(expense) = $120x
Thus, the total expense C(x) is ![1200+120x](https://tex.z-dn.net/?f=1200%2B120x)
It is also given that the income per hour(revenue) is $200x
Thus, the revenue function R(x) is ![200x](https://tex.z-dn.net/?f=200x)
The break - even point is given by
Total expense = Revenue
Thus,
is the equation.
Hence, Option A is the correct answer.
AND operation is referred as a Boolean product:
For your info there are 5 Boolean operators:
AND, OR, NOT, NEAR, ( )
1/2 = 8/16 . . . so there are (<u><em>8</em></u>) - 1/16 pounds servings of chocolate in a 1/2 pound chocolate bar