Answer:
the last set
Step-by-step explanation:
hope this helps :) have a nice day !!
**please let me know if this was wrong**
number - n
Twice a number - 2n
Seven times the number - 7n
2n = 7n +35
7n-2n = -35
5n = -35
n = - 7
Check:
2(-7) = 7(-7) +35
-14 = -49 + 35
-14 = -14 True
The number is (- 7).
Answer:
x=10.82
Step-by-step explanation:
6^2+9^2=c^2
so
36+81=c^2
117=c^2
117/2=10.82
Answer:
The expression equivalent to -3( m + 5) is
c) - 3m - 15
Step-by-step explanation:
2x^2=4x
I'm pretty sure this is it because there are only 2 like terms so you can't combine anything with 4x.