Solve the problem.The population of a town was 31,000 at the beginning of 1970. If the population decreased 300 people per year, how many people lived in the town at the beginning of 1985?
A. 26,800 people
B. 4500 people
C. 26,200 people
D. 26,500 people
Answer: D
Mathematics
You might also like to view...
Solve the initial value problem.y ' + y = 2ex; y(0) = 17
A. y = ex + 16e-x B. y = 2ex + 14e-x C. y = 4e2 + 20e-x D. y = 17ex
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).y = x
A. r = sin ? B. r = cos ? C. sin ? = cos ? D. sin ? = - cos ?
Mathematics
Find the exact value of the expression.sin 15°
A. - 
B. 
C. - 
D. 
Mathematics
Find the angle between the two planes in degrees. Round to a tenth of a degree. 5x- 6y- 4z = -5 x + y + 5z = -1
A. 114.5° B. 27.4° C. 117.4° D. 24.7° E. 2.0°
Mathematics