Which sum contradicts this statement?

the sum of two irrational numbers is always irrational.
a)
7
+ 5
7
b)
4
+ 2
9
reactivate
c) -2
6
+
8
reactivate
d) -4
6
+ 4
6

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

24

step-by-step explanation:

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7