Thursday, October 3, 2013

MZINGO WA NUSU DUARA A-3



Tafuta mzingo wa nusu duara ifuatayo




Suluhu

Mzingo = D + D
                     2

Mzingo =( 1122  X 80560 )    +  560
                     17          12

              = (11 x 80 ) + 560

              = 880 + 560

              = 1440

Hivyo mzingo ni dm 1440

MZINGO WA NUSU DUARA A-2



Tafuta mzingo wa nusu duara ifuatayo




Suluhu

Mzingo = D + D
                     2

Mzingo =( 1122  X 70490 )    +  490
                     17          12

              = (11 x 70 ) + 490

              = 770 + 490

              = 1260

Hivyo mzingo ni mm 1260    


UWIANO A-4



Ikiwa 3:5 = 11:3B; Tafuta thamani ya B.

Suluhu

3   =  11
5       3B

3x3B = 11x5

9B = 55


9B = 55
9        9

B = 61/9

Hivyo thamani ya B ni 61/9

MZINGO A-2



Tafuta mzingo wa pembetatu ifuatayo


Suluhu

Mzingo = jumla ya pande zote

              = 27 + 33 + 40

              = 100

Hivyo mzingo ni m 100

UWIANO A-4



Ikiwa 2:5 = 12:F ; Tafuta thamani ya F.

Suluhu

2   =  12
5        F

2xF = 5x12

2F = 60


2F = 60
2         2

F = 30

Hivyo thamani ya F ni 30