The expression represents four times the difference of 64 and 18 is
4(64-18)
I hope this correct :)
Use the Pythagorean theorem
<span>the hypotenuse is the ladder which is 20 ft and the base is 12 ft thus </span>
<span>a^2 + b^2 = c^2 </span>
<span>a^2 + 144 = 400 </span>
<span>a^2 = 256 </span>
<span>a = 16 </span>
<span>so its 16 ft</span><span />
Answer:
hmmmm... lets see the invisible numbers i dont know you tell me
Step-by-step explanation: you cant see the numbers
Answer:
5/4" or 1.25" or 1 1/4"
Step-by-step explanation:
I don't really understand the question but I hope this is helpful
Answer:
The correct answer is - an observational study.
Step-by-step explanation:
It is given that, Researchers periodically survey a few thousand of the patients. These are taking specific medicine patients and researchers taking this survey to find the connection between that medication and the subjects' general health.
So, it can say that the researchers observed the patient's health by the effect of the medication, therefore, the Observational Study is the given method of gathering data.