No order of operations is what you might know as Pemdas ,number of Operations is something iv'e never heard of.
6a-4 = 3a+54
3a = 58
a = 58/3
a= 19.333
Answer:
Step-by-step explanation:
[4 2] * -2 5 = [ 4*-2 + 2*7 4*5+2*-1]
7 -1
= [-8+14 20-2]
= [6 18]
Answer:
x=22
Step-by-step explanation:
Since the two triangles are similar we can set up two ratios...
(sorry if these numbers are wrong the picture isn't very clear)
38:15.2
We can simplify this ratio into...
2.5:1
Now we solve for x
55:x
We divide 55 by 2.5
55/2.5=22
x=22