Number of peop EXERCISE: 1.2
A. Very Short Questions
Define cardinal number of set.
Fill in the gaps.
i. If n(A) = 50, n(B) = 40 and n(A - B) = 20, then n(AUB) =
n. (A) = n(A) -
iii. n(U)= n(A U B) + ).
ii.
GREEN Mathematics Book-9

Type the correct answer in each box. spell all words correctly. a sequence of transformations maps ∆abc onto ∆a″b″c″. the type of transformation that maps ∆abc onto ∆a′b′c′ is a . when ∆a′b′c′ is reflected across the line x = -2 to form ∆a″b″c″, vertex of ∆a″b″c″ will have the same coordinates as b′.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120