A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding at a rate of 7 feet per year. If something isn't done to correct the problem, what signed number indicates how much of the levee will erode during the next decade?
?
__________ ft
Fill in the blank(s) with the appropriate word(s).
–70
Mathematics
You might also like to view...
Find the amplitude, period or displacement.Find the period of y = 2 cos 
.
A. 
B. 8?
C. 4?
D. 2?
Mathematics
Express the number in scientific notation.45,000
A. 4.5 × 10-5 B. 4.5 × 104 C. 4.5 × 10-4 D. 4.5 × 105
Mathematics
Solve the problem.A carbon-14 dating test is performed on a fossil bone, and analysis finds that 15.5% of the original amount of carbon-14 is still present in the bone. Estimate the age of the fossil bone. (Recall that carbon-14 decays according to the equation A = A0e-0.000124t).
A. 1,500 years B. 150 years C. 15, 000 years D. 15,035 years
Mathematics
Find the direction angle of the vector v. Round to the nearest tenth if necessary. v = -i + 6j
A. 189.5° B. 260.5° C. 170.5° D. 99.5°
Mathematics