2(m + 5) = 7
m + 5 = 7/2
m = 7/2 - 5 = -3/2
Make the denominators the same
Step-by-step explanation:
an=-3n+50
Let n=15 -----because we need to find 15th term
a15=-3×15+50
=-45+50
=5
Answer:
Use Desmos graphing calculator!
Hope this helps!
Greatest common factor (GCF) of 12 and 21 is 3. We will now calculate the prime factors of 12 and 21, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12 and 21.