Answer:
Experiment
Step-by-step explanation:
An observational study is a study where researchers simply collect data based on what is seen and heard and make inferences based on the data collected.
Whereas, Experimental studies are the ones where researchers introduce an intervention and study the effects.
Giovanna did not just collect data alone and make inferences based on the collected data, as is done during an observational study, but she studied the effects of the data that she collected by calculating the average driving duration for each route.
Hence we see that she conducted an Experimental study.
Answer:
Step-by-step explanation:
<u>Step 1: Subtract m from both sides
</u>
<u>Step 2: Divide both sides by -1
</u>
Answer:
First of all we need to realize that half of a yard is as much as 18 inches. If a diameter of the circle is 18 inches, then its radius is 18 ÷ 2 = 9 inches.
6! is the factorial of 6, or 6*5*4*3*2*1.. it equals 720
Answer:
LCM of 45 and 60: 180
Step-by-step explanation:
