Answer:

Step-by-step explanation:
<u>Theorem: The diagonals of a kite are perpendicular.</u>
Let O be the point of intersection of the diagonals,
Applying Pythagoras Theorem, in right triangle WOX

Applying Pythagoras Theorem, in right triangle WOZ

Each bottle serves 2 students. He needs to buy 14/2 = 7 bottles.
Answer: 100
Step-by-step explanation:
Step-by-step explanation:
-3x+2=11
-3x=11-2
-3x=9
x=9÷(-3)
Absolute value is the distance between a point and 0. Absolute value is always positive. When you're writing numbers in absolute value, make sure you add:
| |
The absolute value of a negative number is also positive. For example:
| -7 | = 7 ⇒The absolute value of -7 is 7.