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Roman55 [17]
3 years ago
14

When a grizzly bear hibernates, its heart rate drops to 10 beats per minute, which is 20% of its normal value. What is a grizzly

bear's normal heart rate when not hibernating?
Mathematics
2 answers:
Softa [21]3 years ago
6 0
50 beats per minute when not hibernating
SVEN [57.7K]3 years ago
3 0
20% = 10bpm
therefore 100% = 50bpm
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4 0
3 years ago
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kirill [66]

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Angle m AOC=108° m AOB=3x+4° m BOC=8x-28°<br><br> Find m AOB
Alex787 [66]

Hello from MrBillDoesMath!

Answer:

40



Discussion:

A diagram is always appreciated!

Assuming that

mAOC = mAOB    + mBOC       =>

108      = (3x + 4)  +  (8x - 28)    =>  combine common terms

108      = (3x + 8x) + (4 - 28 )     =>

108      = 11x - 24                        =>   add 24 to both sides

132     = 11x                                 =>

x = 132/11 = 12


So mAOB = 3x + 4 = 3(12) + 4 = 36 + 4 = 40



Thank you,

MrB

4 0
3 years ago
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