Q: If h 7 find the value of h sqared?

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5

The first step would be to define what h is.

If you mean: 6 = x-1 then the value of x is 7

There is not enough information to answer the question as it is stated. If the value of pi*r2*h/3 is known (to be k, say) then h = 3*k/(pi*r2)

The formula is π * r2 * h... Where π is the value of Pi, r is the radius of the cylinder and h is the height.

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5

The first step would be to define what h is.

29

If you mean: 6 = x-1 then the value of x is 7

If you mean: 6h+7 then 6*5 plus 7 = 37

12

To find the volume of a cylinder, you can use the formula V = π * r^2 * h, where r is the radius of the base of the cylinder and h is the height of the cylinder. Simply plug in the values for r and h into the formula and calculate the volume.

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Kw = [H+][OH-][H+] = 10-pH = 10-7.56In neutral pure water the concentration of H+ and OH- is equal.[OH-] = 10-7.56Kw = [H+][OH-] = 10-7.56 * 10-7.56 = 10-15.12

The pH of a solution is calculated using the formula pH = -log[H+]. Plugging in the given value of [H+] = 7.0x10^-7, you would get a pH of 6.15 for this solution.

There is not enough information to answer the question as it is stated. If the value of pi*r2*h/3 is known (to be k, say) then h = 3*k/(pi*r2)

The formula is π * r2 * h... Where π is the value of Pi, r is the radius of the cylinder and h is the height.