Umur purata Hao Sheng, ayah dan datuknya ialah 53 tahun. Setengah daripada umur datuknya, tambah dengan satu pertiga daripada umur ayahnya dan satu perempat daripada umur Hao Sheng ialah 65 tahun. Sekiranya pada 4 tahun yang lalu, umur datuknya ialah empat kali ganda umur Hao Sheng, berapakah umyr setiap orang sekarang?

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

the correct answer is a) they believe they have a "just cause."

islamic terrorists justify their violent actions because they believe they have a "just cause."

every act of terrorism of islamic sects is done “in the name of allah”. that justifies their actions. islam people who commit those terrorist attacks are not afraid to die. that is why the attacks have horrible consequences. they know they are going to die and they are proud to do it because it is in the name of allah, so it is justified and is for a “good cause.”

since the very beginning of the conflict with israel, islam is fighting a “sacred war”, respecting the words stated in the qur’an. they fight against the domination of the western countries and to defend their occupied territories.

∡ eia and ∡ kij are congruent

step-by-step explanation:

answer: answer is b.

[m < b = 120º]

step-by-step explanation: