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alexandr1967 [171]
3 years ago
12

If 7 units represent 98 liters, find the value of 15 units

Mathematics
1 answer:
klemol [59]3 years ago
5 0
7/98 = 15/x so if you cross multiply and divide you get 15(98) divided by 7 which means x=86.47...
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Please see the answer below

Step-by-step explanation:

a. Since there’s no restrictions .Therefore , the number of ways = 7!*150 = 756000

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c. The number of ways such that  math book is at the beginning of the shelf

The number of ways = 6!*4*150 = 432000

d. The number of ways such that  math and English books alternate

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e.  The number of ways such that math is at the beginning and an English book is in the middle of the shelf. The number of ways = 4*3*5!*150 =216000 ways.

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Height of the part above the line parallel to the horizontal = 17.3 tan68° = 42.83 meters

Height of the tree = 4.96 + 42.83 = 47.79 meters
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