Here is a tunnel for a toy train. Work out the total area of
all six faces of the tunnel.
Give your answer in terms of no-
I
The diagram below shows the
cross section of the tunnel.
8 cm
AY В
с
D
2 cm
2 cm
10 cm
AD is a semicircular arc of radius 10 cm
BC is a semicircular arc of radius 8 cm
The length of the tunnel is 30 cm
Tota

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

X-10/4 when x = –18 a 7 b –2 c –7 d 2