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Cubes and Cube Roots Video Lessons
Find: #root3 ((x-y)(x+y))#, when x=76 and y=49
(1m 17s)
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1.
How to find cubes of numbers by multiplication method
2.
Finding Cube Roots of Numbers by Factor Method
3.
Reading the cube of a given number directly from the mathematical table
4.
Read the cube roots of given numbers directly from the mathematical tables
5.
Evaluate: #root 3(64)#
6.
Evaluate: #root3 125#
7.
Evaluate: #root3 3375#
8.
Evaluate: #root3 (27/64)#
9.
Evaluate: #root3 0.512#
10.
Evaluate: #root3 (2 93/125)#
11.
Evaluate: #root3 (a^3 b^3 )#
12.
Evaluate: #root3 (x^6 y^6 )#
13.
Evaluate: #root3 (w^6 y^3 )#
14.
The volume of a sphere is #4/3 pr^3# where r is its radius. Find the radius when the volume is 38.808#cm^3#. (Take #pi =22/7#).
15.
The volume of the material used to make a cube is 1 728#cm^3#. Find the length the cube.
16.
The volume of water in a measuring cylinder is 200#cm^3#. When a cube is immersed into the water, the cylinder reading is 543#cm^3#. Find: (a) the volume of the cube. (b) the length of the side of the cube.
17.
A metallic cuboid measuring 16 cm by 8 cm by 4 cm was melted. The material was then used to make a cube. What was the length of the cube?
18.
Evaluate: #root3 (27x^3 y^9 )#
19.
Find: #root3 ((0.064×125)/343)#
20.
Find: #root3 ((x-y)(x+y))#, when x=76 and y=49
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