Hello,
Δ=8²+4*3*4=64+48=112=2^4 * 7
The answer is “like” terms.
You add common terms together to get variables by themselves.
Add 4x to both sides and get
13 = 1 + 3x
12 = 3x [from subtracted 1 from both sides]
x = 4 [from dividing 3 from both sides]
therefore your answer would be x = 4
Answer:
49-63
Step-by-step explanation:
1. (7·7) - (7·9)
2. (49) - (63)
3. 49 - 63 = -14
Hoped I helped!! :)
Answer: 40 by 60
Step-by-step explanation:
You are given a scale of 1 inches=20 ft
For the 2 inch dimension, you get:
2*20=40
For the 3 inch dimension, you get:
3*20=60
Therefore, the real dimensions of the doctors office from 2 in. by 3 in. are respectively 40 ft, by 60 ft.
Hope this helped!
