Answer:
Step-by-step explanation:
as x is direct to y hence
x∝y
also given x∝z combine these two equation we get
x∝y*z
now insert b as constant
x=b*y*z
as given x=20, y=3 , z=4 putt in above equation we get
b=20/3*4 =5/3 =1.666
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Simply substitute the value of the intensity to the variable i. Taking its logarithm to the base 10, the answer would be 7.8. Hence, 6 million ergs is equivalent to 7.8 based on the Richter scale.
This would be 5^2 because you have to subtract the exponents.
The answer is C because the statement would be if A is true then B is true. Hope this helps
earrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
p*x+57-(-75*x+q)=0
In this type of equations, having more than one variable (unknown), you have to specify for which variable you want the equation solved.
Unless there is none then in that case there very well may be infinite solutions