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GenaCL600 [577]
3 years ago
7

Library receives 823 new books on monday 312 check out on Tuersday 129 returned and 272 checked out how many are available Wedne

sday
Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0
368 books are available wednesday
823-312=511
511+129=640
640-272=368
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Find the coordinates of the midpoint of a segment with the given endpoints W(-12, -7), T(-8, -4)
jasenka [17]

Finding the midpoint coordinates of any segment really boils down to finding the midpoints of each individual coordinate.

The x-coordinates of the two points are -12 and -8 - the number halfway between those two is -10, so that'll be the midpoint's x-coordinate. The y-coordinates are -7 and -4 - -5.5 is halfway between these two, so the y-coordinate will be 5.5.

Putting the two together, the midpoint of the segment WT has the coordinates (-10, -5.5).

4 0
3 years ago
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A rectangular auditorium seats 1344 people. The number of seats in each rows exceeds the number of rows by 20. Find the number o
Tasya [4]
Let the number of rows be x

rows = x
seats in each row = x + 20

total seats = 1344
x (x + 20) = 1344
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x = -48  (rejected, answer cannot be negative) or x = 28

Therefore,
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Check:
Row = 28
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28 x 48 = 1344 (Correct)
 
Ans:There are 48 seats per row 
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Geometry question 14
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Explanation:

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The answer will be negative to indicate that the altitude has gone down. If you put in a positive change, then the altitude would go up. So that's why the answer is choice A

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