9514 1404 393
Answer:
Step-by-step explanation:
When x represents the number, "the sum of 3 and a number" is (x+3). Twice that sum is 2(x+3). "Is 30" means this expression is equal to 30:
2(x +3) = 30 . . . . an equation for the given conditions
__
We can solve this equation by dividing by 2:
x + 3 = 15
x = 12 . . . . . . subtract 3
The number is 12.
Given:
is the transversal that intersects the lines r and s.
Required:
Pairs of alternate exterior angles.
Explanation:
Line q intersects the lines r and s.
The alternate exterior angles are,

Answer:
Thus the required answer is option 2.
This is the answer
if u do 3rd, 4th .... derivatives the answer will be 0 again.
Answer:
(the most the mixing ratio can be is) a maximum 10.699 g/kg of water vapor.
Step-by-step explanation:
i hope this helps u!