S = -2-4r. You can't simplify the expression past that.
1 to 2
Multiply by 2
2 to 3
Add by 1
3 to 6
Multiply by 2
6 to 7
Add by 1
7 to 14
Multiply by 2
14 to 15
Add by 1
Do you see the pattern?
Multiply by 2 and then add by 1; repeat the process.
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Looking at the graph, we know that A. 3 boxes are filled every 4 min and D. 0.75 boxes are filled per minute are the correct answers.
Hope this helps~
You cannot simplify the fraction 4/21, because you would have to divide 21 by 4, which would end in a decimal answer, therefore you cannot simplify it.
Answer:
x=13
Step-by-step explanation:
Q is the midpoint of PR
PQ + QR = PR
PQ= QR
PQ+QR = PR
QF + QR = PR
2QR = PR
2*43 = 9x-31
86 = 9x-31
Add 31 to each side
86+31 = 9x-31+31
117 = 9x
Divide each side by 9
117/9 = 9x/9
13 =x