Find
d
d
x
[
sin
⁡
(
x
)
x
2
]
dx
d

[sin(x)x
2
]start fraction, d, divided by, d, x, end fraction, open bracket, sine, left parenthesis, x, right parenthesis, x, squared, close bracket.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =