Answer:
x=100000000000000000000000
Step-by-step explanation:
,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
perimeter of the shaded region = 88 +44+28 =160 cm
perimeter of shaded region = length AO + arc OB + arc AB
length AO = radius of bigger circle
radius of bigger circle = OX + OB = 2×radius of smaller circle = 2×14 cm = 28 cm
therefore AO = 28 cm
length of arc oB= half of circumference of smaller circle = ×14 = 44 cm
length of arc ab = half of circumference of bigger circle = ×28 =×28= 88
therefore perimeter of the shaded region = 88 +44+28 =160 cm
area of the shaded region = half of area of bigger circle - half of area of smaller circle
=
solving we gen area of shaded region = 924
This looks like scalar matrix multiplication. The idea here is to multiply the scalar 3 by each item inside the matrix.
Doing so leads to the answer [3 -12 15 -21]
Side note: I'm assuming the matrix given to you has 1 row and 4 columns.
If Gavin got 11 sweets, then the new ratio would be: 11:44:11
Colin got 44 sweets.