No!
43 doesn't divide by anything.
-3/7 is greater than -2/5
how I found this do 3÷7 and this will give you a decimal of 0.4285. While doing 2÷7 equals 0.4
hope this helps
No13.
Answer:
Cos(x+x)=cosx*cosx-sinx*sinx
=cos2(x)-sin2(x)
=(cosx+sinx)(cosx-sinx)
Answer:
72 cubic inches
Step-by-step explanation:
Volume of cone =
--1
Volume of cylinder =
--2
We are given that a cylinder should fit exactly inside the cone
On comparing 1 and 2 we can see:

Since we are given the volume of cone is 24 cubic inches .
So, 


Hence the volume of cylinder is 72 cubic inches
Option D is correct.
20cm + 15cm= 35 triangles