ANSWER
No solution
EXPLANATION
The first equation is

and the second equation is

We equate the two equations to obtain;

This implies that


There is no real number whose square is -1.
Therefore, the equation has no solution.
Answer:
Nine Planes
Step-by-step explanation:
Three planes are parallel to the six faces of the cube. The other six are diagonal.
Answer: 6.79
Step-by-step explanation:
Multiplying by 10 allows you to move the decimal to the right by one place value.
Answer:
The answer is 15
Step-by-step explanation:
hope this helps
Answer:
127.17cm²
Step-by-step explanation:
Area of a semicircle: πr² ÷ 2
d = 18
r = 18/2 = 9
Area of a semicircle: 9²π ÷ 2 = 127.17cm²