1. X+7=21
-7 -7
X=14
2. X-5=13
+5 +5
X=18
3. 4x=48
— —
4 4
X=12
4. 7(X/7)=(15)7
X=105
Answer:
The inequality
is true.
Step-by-step explanation:
Given

FALSE
Reason: 8/5 or 1.6 is greater than 9/10 or 0.9

FALSE
Reason: 1 is smaller than 6/5 or (1.1)

converting mixed number to improper fraction

FALSE
Reason: 5/2 can not be less than 5/2


TRUE
Reason: 2 is indeed smaller than 5/2 or 5.2 ∵ 5/2 = 2.5
Therefore, inequality
is true.
Answer:
interior angles are /_3,/_4,/_5 and /_6
SA= 2(lw+lh+wh)
H=72
W=16
L=18
SA=2(288+1296+1152)
SA=5472 square inches
5,472 square inches will be painted
Hope you get help.