Which equation represents the magnitude of an
earthquake that is 100 times more intense than a
standard earthquake?
M=log-
100S
M=log
100S
OM=log(1005)
| © M=109100
DONE

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

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