Find the solution to the system by addition (elimination) method.7x + 15y = 15 4x - 5y = -5

A. (0, 0)
B. (1, 1)
C. (0, 1)
D. (1, 0)


Answer: C

Mathematics

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Provide an appropriate response.Find the value of the arc length when ? (the central Angle) is given in degrees instead of radians.

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3850. Therefore, the total cost to remodel the bathroom is given by  where x is the number of hours the contractor works. Find a formula for  What does  compute?

A. f -1(x) =  - 3850; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) =  - 3850; This computes the total cost if the contractor works x hours.
C. f -1(x) =  - 154; This computes the total cost if the contractor works x hours.
D. f -1(x) =  - 154; This computes the number of hours worked if the total cost is x dollars.

Mathematics

Insert <, >, or = to make the statement true.17    -17

A. = B. > C. <

Mathematics

Write the equation in standard form for an ellipse or a hyperbola centered at (h, k).4x2 + 5y2 + 16x - 4 = 0

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics