The present age of Sita’s father is three times the present age of Sita. After six years sum of their ages will be 69 years. Find their present ages.
Answers
Answer:
Given :-
A metal has a density of 8.0g/cm cube a solid cube of mass 1.0kg is made.
To Find :-
How long metal is each side of the cube?
Solution :-
☣ Volume :-
\red{ \boxed{\sf{Volume =\: \dfrac{Density}{Mass}}}}Volume=MassDensity
We have :
Density = 8.0 g/cm
Mass = 1000 g
➔ Volume = 8.0/1000
➔ Volume = 0.008 cm³
☣ Each side of the cube :-
We have :
Volume = 0.008 cm³
\red{ \boxed{\sf{Volume = (Side)^3}}}Volume=(Side)3
➙ 0.008 = (Side)³
➙ ∛0.008 = Side
➙ 0.2 = Side
➙ {\large{\bold{\purple{\underline{Side = 0.2\: cm }}}}}Side=0.2cm
Henceforth, the long metal is each side of the cube is 0.2 cm .
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\bigstar\:{\underline{\frak{Extra\: Brainly\: Shots :-}}}★ExtraBrainlyShots:−
\qquad\qquad\underline{\textsf{\textbf{ \color{magenta}{Volume :-} }}} Volume :-
Volume is the quantity of three-dimensional space enclosed by a closed surface.
\qquad\qquad\underline{\textsf{\textbf{ \color{magenta}{Mass :-} }}} Mass :-
Mass is the amount of matter or substance that makes up an object.
It is measured in units called kilograms, which can be abbreviated kg.
\qquad\qquad\underline{\textsf{\textbf{ \color{magenta}{Density :-} }}} Density :-
The density of any solid is the mass of the object divided by its volume.
The formula for density is: density = mass × volume.
The standard units of density are kg/m 3 and g/cm 3.
HOPE IT HELPS YOU :)
GOMENASAI
Step-by-step explanation:
Let the age of Siya and Siya's father be x and 3x respectively
Before 6 years = 69 - 6 = 63
So, x + 3x = 63
4x = 63
x = 63/4
x = 15.75