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Sidana [21]
3 years ago
11

There are 17 students in the third grade and twice that number in the fourth grade. There are

Mathematics
2 answers:
Andrej [43]3 years ago
6 0
17 + 34 + 11 + 19 = 91
dlinn [17]3 years ago
4 0
17 - third grade
17 x 2 = 34 - fourth grade
11 + 19 = 30 - second grade

All together: 17+34+30 = 81

Answer = 81 students
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The quadrilateral ABCD has area of 58 in2 and diagonal AC = 14.5 in. Find the length of diagonal BD if AC ⊥ BD.
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Answer:

(look in the the Step by step)

Step-by-step explanation:

When the diagonals of a quadrilateral are perpendicular, the area of that quadrilateral is half the product of their lengths.

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Either <u><em>26 or 21</em></u>  depending on if you count the saved oranges or not.

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a motorboat maintained a constant speed of 18 miles per hour relative to the water and going 35 miles upstream and then return.
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