Prove algebraically that the recurring decimal 0.35 (the 5 recurring) has the value
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We can dig out the soil from the well equal to volume of well.
Height(h) of well is = 15 meters.
Diameter = 1.6 meters.
So radius(r) =
meter.
As well in cylindrical shapes.
So volume of well =
=
In general
So volume of well is =
cubic meter.
So we can dig out 30.144 cubic meter soil from well.
Height(h) of well is = 15 meters.
Diameter = 1.6 meters.
So radius(r) =
As well in cylindrical shapes.
So volume of well =
=
In general
So volume of well is =
So we can dig out 30.144 cubic meter soil from well.
The ratio of the side measures are 6:7:9.
Let's assume length of three sides of the triangle is 6x, 7x and 9x.
Given,perimeter of a triangle is 110 inches.. Perimeter is the sum of all three sides of the triangle. So, we can set up an equation as follows:
6x+7x+9x= 110
22x =110
Dividing each sides by 22.
x=5.
Now we can plug in x=5 in all the expressions of sides.
So, 6x=6(5)=30,
7x=7(5)=35
9x=9(5)=45.
So, the sides of the triangle are 30 inches, 35 inches and 45 inches.