tolong Ya kak No 9-13 Sama caranya
Matematika
melin60
Pertanyaan
tolong Ya kak No 9-13
Sama caranya
Sama caranya
1 Jawaban
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1. Jawaban desiantiaja
9. w = 3/4 jam = 45 mnt
d = 6,5 m³/mnt
v = .... liter
v=d.w → 6,5m³/mnt x 45 mnt
= 292,5m³ x 1.000 = 292.500 ltr (B)
10. v= 10dm³
d= 15 ltr/mnt
w=..... dtk
w = v:d → 10ltr : 15 ltr/mnt
= 0,66 mnt x 60 dtk
= 39,6 ~ 40dtk (C)
11. w= 22 mnt 20 dtk = (22x60)+20 = 1.340dtk
v= 1.675 ltr
d=...... ltr/dtk
d=v:w → 1.675 ltr : 1.340dtk = 1,25 ltr/dtk (B)
12. w= 1/2 jam = 30 mnt
d= 18 ltr/mnt
v=...... ltr
v=d.w →18 ltr/mnt x 30 mnt = 540 ltr (A)
13. luas layang2 = 1/2 x d1 x d2
576 m² = 1/2 x 32cm x d
576 m² = 16cm x d
d = 576cm² : 16cm
d = 36cm (C)