k plis k jawab dong k.yg benar jawabnya ya k yang nomor 26-35.jangan ngasal ya k.kalau benar nantik aku follow,kasih bintang dan pasti aku tandai.plis dong k jawab k .terimakasih.
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Jawaban:
26.) Pecahan ke Persen :
2 1/5
= 11/5
= 11/5 × 100%
= 1.100/5
= 220%
27.) Diketahui :
= S.ruangan : 25°C
= S.lemari es : -5°C
= Selisih?
S = 25-(-5)
S = 25+5
S = 30°C
28.) Cari jari-jari terlebih dahulu =
r = diameter : 2
r = 70 : 2
r = 35
Luas =
L = 1/2×π×r²
L = 1/2×22/7×35×35
L = 1/2×3.850
L = 1925 cm²
29.) Pernyataan =
V = s³
V = 25³
V = 15.625
V air = 1/2×Volume kubus
V air = 1/2×15.625
V air = 1×15.625/2
V air = 7.812,5 cm³
30.) Urutkan =
50, 50, 60, 60, 60, 60, 60, 60, 60, 70, 70, 70, 70, 80, 80, 80, 80, 80, 80, 80, 80, 90, 90, 90, 90, 100
Nilai tengah = 60 dan 80
jika ada dua bilangan maka kita jumlahkan lalu dibagi 2
[tex] = 60 + 80 \div 2 = 100[/tex]
31.) Diketahui =
Peti = 6
Telur setiap peti = 128
Total telur = 6×128 = 768
Setiap kantong = 8 Butir
= 768 : 8
= 96 Kantong
32.) Daging sapi yang tersisa (Dsyt)
Dsyt = 3/4 kg + 2/12 kg - 1, 625 kg
Dsyt = 0.75 kg + 2,5 kg - 1,625 kg
Dsyt = 3,25 kg - 1,625 kg
Dsyt = 1,625 kg.
33.) Pernyataan =
L = s²+½.π.r²
L = 14²+½.22/7.7²
L = 196 cm²+11.7
L = 196 cm²+77 cm²
L = 273 cm²
34.) Pernyataan =
V = 1.540 : 2
V = 770 cm²
V = π.r².t
770 = 22/7.10²×t
t = 770 : 22/7 × 10²
t = 24.500 cm : 10.000
t = 2,45 cm.
Nomor 35 menyusul nanti