3(r-6)+2=4(r+2)-21
3r-18+2=4r+8-21
3r-16=4r-13
-3=r
r=-3
Answer:
The mean is 4.88 hours / day
Step-by-step explanation:
To calculate the mean we just add the values and divide by the number of items (in this case we add the hours and divide by the number of days)
so the equation would be

B. 1.67 x 10^-24g
Hope this helps?
Answer: x + 2
Step-by-step explanation:
Given the equation to solve by long division :
Divide x² - x - 6 by x - 3
x in the divisor is used to divide the x² in the Dividend to obtain a value of x as the quotient. The quotient value is multiplied by each value in the Dividend and so on.
This steps taken obtain the quotient is clearly shown in the picture attached.
Explanation
Answer:
The carpenter can build the triangular frame by cutting the 12 foot piece by 2foot