Solve D=1/2(0.642)5.5^2

$$D = \frac{ 1 }{ 2 } (0.642) { 5.5 }^{ 2 }$$

Solve for D

$$D=9.71025$$

Steps for Solving Linear Equation

Convert decimal number 0.642 to fraction \frac{642}{1000}. Reduce the fraction \frac{642}{1000} to lowest terms by extracting and canceling out 2.

$$D=\frac{1}{2}\times \frac{321}{500}\times 5.5^{2}$$

Multiply \frac{1}{2} times \frac{321}{500} by multiplying numerator times numerator and denominator times denominator.

$$D=\frac{1\times 321}{2\times 500}\times 5.5^{2}$$

Do the multiplications in the fraction \frac{1\times 321}{2\times 500}.

$$D=\frac{321}{1000}\times 5.5^{2}$$

Calculate 5.5 to the power of 2 and get 30.25.

$$D=\frac{321}{1000}\times 30.25$$

Convert decimal number 30.25 to fraction \frac{3025}{100}. Reduce the fraction \frac{3025}{100} to lowest terms by extracting and canceling out 25.

$$D=\frac{321}{1000}\times \frac{121}{4}$$

Multiply \frac{321}{1000} times \frac{121}{4} by multiplying numerator times numerator and denominator times denominator.

$$D=\frac{321\times 121}{1000\times 4}$$

Do the multiplications in the fraction \frac{321\times 121}{1000\times 4}.

$$D=\frac{38841}{4000}$$

Assign D

$$D≔9.71025$$