Answer: x = 7
Step-by-step explanation: In order for a parallelogram to be a square, the angles at the corners must be 90 degrees, and the diagonals that bisect the corner angles must be 45 degrees.
4x + 17 = 45 Subtract 17 from both sides.
4x = 28 Divide both sides by 4
x = 7
Answer:
V = 392π units³
Step-by-step explanation:
V = πR²h/3
V = π7²24/3
V = 392π units³
Answer:
5 trumpet players and 15 saxophone players
Step-by-step explanation:
Consecutive angles of a parallelogram are supplementary, so:

This means
and that
.
Since opposite angles of a parallelogram are congruent,

Answer: y=-3/2x+-8
Step-by-step explanation: