Answer:
3.2h+1.6
Step-by-step explanation:
3h-2(-0.1h-0.8)
3h+0.2h+1.6
3.2h+1.6
Answer:
24,000 cm^3
Step-by-step explanation:
Volume is LxWxH
20x30x40=24,000cm^3
Answer:
The door is 7 feet x 3 feet
Step-by-step explanation:
<em>AREA:</em> 7 x 3 = 21
<em>PERIMITER:</em> 7 + 7 + 3 + 3 = 20
Given:
Consider the given equation is

To find:
The values of x.
Solution:
We have,

Taking square root on both sides, we get


Adding 18 on both sides, we get


Now,
and 
and 
Therefore, the correct option is A.
Answer=72°
In this case, since AB and CD are parallel lines, the angle with 72° and angle x are congruent. Therefore angle x is 72°