Answer:
Step-by-step explanation:
if u is an irrational number added to a rational number (sqrt 15) to yield 2, then that would mean u would = root -1.78.....
which means you wouldn't have a real solution. if you want a complex answer, it would be sqrt(1.78)i
Answer:
There is no slope
Step-by-step explanation:
When finding the slope both numbers have to be positive without positive numbers you will not have a positive slope there fore no slope
Answer:
x=-7
Step-by-step explanation:
The sum of the angles of a triangle are 180 degrees
40 + x+57 + 90 =180
Combine like terms
187 +x = 180
Subtract 187 from each side
187-187 +x = 180-187
x = -7
Answer: 84 cubic cm
Step-by-step explanation: You just do 14 times 2 and the answer times 3 which is 84 cubic cm.