Solve the problem.An earthquake was recorded which was 2,511,886 times more powerful than a reference level zero earthquake. What is the magnitude of this earthquake on the Richter scale? Intensity on the Richter scale is log
.
A. 14.7
B. 5.4
C. 0.64
D. 6.4
Answer: D
Mathematics
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Provide an appropriate response.
How much string is needed to maintain a kite at 100 ft from attachment to the kite and a 65° angle when the string is taut?
A. 91 ft B. 110 ft C. 47 ft D. 237 ft
Mathematics
Use the product rule, quotient rule, or power rule to expand the logarithmic expression. Wherever possible, evaluate logarithmic expressions.log4(16x)
A. 8 + log4x B. 2x C. 2 + log4x D. 2log4x
Mathematics
Provide an appropriate response.A student was asked to find ordered pairs that solve the system of equations x + 2y = 3 2x + 4y = 6.The student claims that (1, 1) and (-1, 2) are the only solutions. Is the student correct?
A. Yes B. No
Mathematics
Perform the indicated operations and simplify.
(4x – 3y)² – (3x – 4y)(3x + 4y)
Mathematics