Answer:
-3.5
Step-by-step explanation:
6x + 16 = 2x + 2
4x = -14
x = -3.5
Answer: 18
Step-by-step explanation: If there were 18 seats in the row, it would be an even amount in each row, the same amount in each row, and would see everybody.
Answer:
45 degrees
Step-by-step explanation:
you would do 20-(-25) then that turns to 20+25 and you get 45
The answers would be A,D,E,F because ...
A rational number is any integer, fraction, terminating decimal, or repeating decimal.
Hope this helps! :3
Answer:
+ 1) is an even number.
Take any n ∈ N, then n is either even or odd.
• Suppose n is even ⇒ n = 2m for some m ⇒ n(n + 1) = 2m(n + 1) ⇒ n(n + 1) is even.
• Suppose n is odd ⇒ n+ 1 is even ⇒ n+ 1 = 2m for some m ⇒ n(n+ 1) = 2nm ⇒ n(n+ 1)
is even. QED
2. The sum of the first n natural num
Step-by-step explanation:
a>50A is greater than 50
a<50a<50
a≥50A is greater than or equal to 50
a≤50