Answer:
Step-by-step explanation:
Euler's formula is
V - E + F = 2
Givens
V = 15
E = 15
F = ?
Solution
15 - 15 + F = 2
F = 2
I'm not sure this makes sense, but it is what the formula gives you.
Answer:
(x+3)⁴
Step-by-step explanation:
(1)x⁴
+
(4)x³.3
+
(6)x²3²
+
(4)x 3³
+
(1)3⁴
= x⁴+ 12x³+ 54x² + 108x + 81
can you add a pic or image pls?
Using the percentage concept, it is found that 60% of the students voted to donate a telescope.
<h3>What is a percentage?</h3>
The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

In this problem:
- The total amount is the number of students, which is of b = 500.
- 300 voted to donate, hence a = 300.
The <em>percentage </em>is given by:

60% of the students voted to donate a telescope.
More can be learned about the percentage concept at brainly.com/question/10491646
Answer: 40
Explanation: The least common multiple (LCM) of 2 numbers is the smallest number that they both divide evenly into.
The smallest number that both 8 and 20 divide evenly into is 40.