Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Mardi received an inheritance of $70,000. She invested part at 8% and the rest at 11%. Her total annual income from the investments was $6200. Find the amount she invested at 8%.
A. $49,000
B. $50,000
C. $25,000
D. $63,800
Answer: B
Mathematics
You might also like to view...
Find a formula for the nth term of the sequence.0, -1, 0, 1, 0, -1, 0, 1 (0, -1, 0, 1 repeated)
A. an = cos
B. an = cos(n?)
C. an = sin
D. an = sin(n?)
Mathematics
Provide an appropriate response.Find the measure of each angle. 
A. ?A = 133°, ?B = 26°, ?C = 21° B. ?A = 47°, ?B = 34°, ?C = 13° C. ?A = 133°, ?B = 30°, ?C = 17° D. ?A = 47°, ?B = 22°, ?C = 25°
Mathematics
Evaluate f(x) at the given value of x.f(x) = 2x3
x = 5
A. 30 B. 1331 C. 127 D. 250
Mathematics
Graph the linear function. Give the domain and range.f(x) = 
x - 6
A. Domain: (-?, ?)
Range: (-?, ?)
B. Domain: (-?, ?)
Range: (-?, ?)
Mathematics