M is the midpoint of AC.
So, MA = MC
M is the midpoint of BD.
So, MB = MD
Also, since the midpoints of AC and BD coincide,
AC bisects BD and BD bisects AC.
Hence, our conjecture is MA = MB = MC = MD.
Answer:
Step-by-step explanation:
hello :
x²-3x-10=0 means : (x-5)(x+2)=0
x-5=0 or x+2=0
conclusion two solutions : 5 and -2
Answer:
$5836.32
Step-by-step explanation:

Answer:
<em>x</em>/4
Step-by-step explanation:
7/8x-5/8x fractional coefficients = x/4
.05n + $28 = $50.50
(.05n = $22.50)100
5n = 2250
n= 450 calls