Answer:
10028.6 ft/hr
Step-by-step explanation:
speed = distance / time
234 Inches = 19.5 Feet
7 seconds = 0.00194444 hrs
so using the formula : 19.5 / 0.00194444 = 10028.6 ft/hr
1.
Use this rule: √ab = √a√b
√12√x^2
Simplify √12 to 2√3
2√3√x^2
Simplify √x^2 to x
2√3x^2
3.
Multiply the numerator and denominator by the conjugate.
2√x/x
The answer would be 12.599
