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user100 [1]
3 years ago
7

What does r stand for in this equation?5(6r+7)-1=-86

Mathematics
2 answers:
Vika [28.1K]3 years ago
8 0
Represents a variable
cestrela7 [59]3 years ago
5 0
I hope this helps you

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3 years ago
The cross section of a water bin is shaped like a trapezoid. The bases a a trapezoid are 20 feet and 6 feet long. It has a area
nekit [7.7K]

Answer:

the height of the cross section is 3 feet

Step-by-step explanation:

The computation of the height of the cross section is shown below:

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VashaNatasha [74]
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3 years ago
Mr. Jones has all the students in his class line up. The 9th student in line ends up being exactly at the middle of the line. Ho
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