7 + 2x = 51
hope this helps
Answer: x = 40.81 or 41
Step-by-step explanation:
A = B = 21
C = 35
Hypotenuse = x
Calculating Hypotenuse:
21^2 + 35^2 = x^2
=> 441 + 1225 = x^2
=> x^2 = 1666
=> x = 40.81 or 41
Answer:
(-∞,∞)
Step-by-step explanation:
It cannot simplified further as 17 is a prime number
Since x is the number of songs he has on his phone and if he adds 20 more, his expression will be: x+20