Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Send Message

Add post

Add question

1. Sebuah bola salju bertambah besar dengan laju $8 m^3$ per menit. Tentukan laju pertambahan jari-jari bola ketika diameter bola salju itu 4 m.[caption id="attachment_7893" align="alignnone" width="255"] Sumber : sizechart.com[/caption][caption id="attachment_7894" align="alignnone" width="225"]

Continue reading

Dalam soal-soal 1-16, sederhanakan sebanyak mungkin. Pastikan untuk menghilangkan semua tanda kurung dan menyederhanakan semua pecahan.4-2(8-11)+64-2(8-11)+6=4-2(-3)+6 =4+6+6=162. 3[2-4(7-12)]3[2-4(7-12)]=3[2-4(-5)]=3[2+20]=3[22]=663. -4[5(-3+12-4)+2(13-7)]-4[5(-3+12-4)+2(13-7)]=-4[5(5)+2(6)]=-4[25+12]=-4[37]=-1484. 5[-1(7+12-16)+4]+25[-1(7+12-16)+4]+2=5[-1(3)+4]+2=5[1]+2=7[latexpage]5. $\frac{5}{7}-\frac{1}{13}=\frac{65-7}{91}=\frac{58}{91}$6.\frac{3}{4-7}+\frac{3}{21}-\frac{1}{6}=\frac{3}{4-7}+\frac{3}{21}-\frac{1}{6}=\frac{3}{-3}+\frac{1}{7}-\frac{1}{6}=-1+\frac{1}{7}-\frac{1}{6}=\frac{-42}{42}+\frac{6}{42}-\frac{7}{42}=\frac{-43}{42} 

Continue reading