Answer:

multiply either sides by 3:

divide either sides by πr² :

Answer:
Line
intersects line 
Step-by-step explanation:
We are given that


Subtract one equation from other then we get



Substitute the value of x in first equation then we get

Hence, the solution
is the intersection point of two line equations .
Answer:Line
intersects line 
6 :)
no. of books: 1 2 3 4
combinations: 12, 13, 14, 23, 24, and 34
Answer:
The Pythagorean Theorem is a statement about triangles containing a right angle. The Pythagorean Theorem states that: "The area of the square built upon the hypotenuse of a right triangle is equal to the sum of the areas of the squares upon the remaining sides."
Step-by-step explanation:
Answer:
w=7
Step-by-step explanation:
3w+4w=49
7w=49
w=49/7
w=7