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3 years ago

6

Using this nomogram, what is the magnitude of an earthquake that is 500 km from a seismic station and has an amplitude of 0.2 mm

?

1 answer:

Novay_Z [31]3 years ago

6 0

<span>From the given nomogram, the magnitude of an earthquake that is 500 km from a seismic station and has an amplitude of 0.2 mm is 4</span>

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Answer:

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Step-by-step explanation:

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3 years ago

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Alex787 [66]

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Required

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3 years ago

Today everything at a store is on sale The store offers a 20% discount The regular price of a tshirt is 18$ what is the discount

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3 years ago

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