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Pertanyaan

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23 Oktober 2008
mike
IPA Kelas 9

aduhhh bingung ciri-ciri zat cair itu apa saja sih? ko di guru yang satu beda trus guru yang lain lagi ko beda tolong di bantu ciri-ciri zat cair yang lengkap,tepat,and gak membingungkan

Zat cair tersusun atas molekul yang tidak terikat sisinya sehingga bisa bergerak bebas. Dengan keadaan seperti ini maka kumpulan molekul itu senantiasa mengikuti bentuk tempatnya.

Secara singkat, ciri zat cair memiliki sifat:

  1. bentuk menyesuaikan tempatnya
  2. volume tetap pada suhu tetap
  3. memiliki kekentalan tertentu
  4. terdapat tegangan muka
  5. tidak dapat dimampatkan

Arif Ichwantoro

23 Oktober 2008
Vitri
Bahasa Inggris Kelas 11

Tolong kch tw contoh narrative text tentang cerita rakyat,pliz...bs0k dkumpulin,tRimz

Dear Vitri,

OK, you can download this file 

lampiran

Operator

23 Oktober 2008
shafa
Matematika Kelas 9

gimana sih caranya mencari jari-jari dan tinggi tabung?

Shafa cantix, tentu saja tergantung dari apa yang diketahui dari soalnya kan...Soal tersebut berhubungan dengan volume atau luas...Lain kali diperjelas lagi yaaa...

 


NGATIJAN, S.Pd.

23 Oktober 2008
Matematika Kelas 8

pak/bu klu soal ini bagaimana menelesaikannya 10p+10r=90

Yang ditanyakan pada Soal kurang jelas. Menyelesaikan berarti mencari nilai-nilai dari variabel. pada soal tsb berarti mencari nilai p dan r, yang cocok sehingga persamaan tsb menjadi kalimat yang benar.

Andaikan yang ditanyakan tetap seperti itu, maka jawaban untuk nilai p, dan r yang memenuhi persamaan tsb sangat banyak sekali.

Misalkan p = 0 maka 10r = 90 ==> r = 9

              p = 1, maka 10r = 90 - 1 ==> r = 8,9

dan seterusnya

Mohon diperjelas lagi pertanyaannya atau dilengkapi. Terima kasih.


Drs. Sudarsono, M.Ed

22 Oktober 2008
ika
Matematika Kelas 9

..tolong jelasin apa perbedaannya aritmetika dan geometri, dan bedanya barisan dan deret donkkk...

Pertanyaan Ika kayaknya bisa disederhanakan menjadi barisan aritmetika, barisan geometi, deret aritmetika ,dan deret geometri.

Barisan aritmetika urutan bilangan dengan aturan tertentu, yaitu suku berikutnya diperoleh dengan cara menambah atau mengurangi dengan bilangan yang tetap.

Contoh : 1, 5, 9, 13, ...

              100, 90, 80, 70, . . .

 

Barisan geometri adalah urutan bilangan dengan aturan tertentu yaitu suku berikutnya diperoleh dengan cara mengalikan dengan bilangan yang tetap.

Contoh : 1, 2, 4, 8, ...

              16, 8, 4, 2, ....

Sedangakan untuk deret aritmetika maupun geometri adalah jumlah dari barisan aritmetika maupun geometri.

Contoh : 1 + 5 + 9 + 13 + .... (deret aritmetika)

              16 + 8 + 4 + 2 + .... (deret geometri)
 


Surahmanto, S.Pd

22 Oktober 2008
lovely
Bahasa Inggris Kelas 10

tolong buati text descriptive tentang benda atau bisa juga tempat tlng donk!!!! langsung disertain bagian mana yg identification n bgian mana yg description ya.... tlng ya... coz bsk udh kmpl nieh!!! please banget!!!

Dear lovely,

DESCRIPTIVE TEXT

GENERIC STRUCTURE

The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay onto the Pacific Ocean. As part of both US Highway 101 and California Route 1, it connects the city of San Francisco on the northern tip of the San Francisco Peninsula to Marin County.

IDENTIFICATION

The Golden Gate Bridge had the longest suspension bridge span in the world when it was completed in 1937 and has become an internationally recognized symbol of San Francisco and California. Since its completion, the span length has been surpassed by eight other bridges. It still has the second longest suspension bridge main span in the United States, after the Verrazano-Narrows Bridge in New York City. In 2007, it was ranked fifth on the List of America’s Favorite Architecture by the American Institute of Architects.

DESCRIPTION

 

Ok, jadi dari contoh teks diatas kita tahu bahwa sebuah DESCRIPTIVE TEXT mempunyai GENERIC STRUCTURE sebagai berikut :

  1. Identification : Identifies phenomenon ( Mengidentifikasi / pengenalan fenomena / hal yang dideskripsikan)
  2. Description : Menggambarkan bagian, kualitas, maupun ciri – ciri)

Dari contoh DESCRIPTIVE TEXT diatas, kita juga bisa mengambil kesimpulan teantang ciri - ciri DESCRIPTIVE TEXT sebagai berikut :

  • The Use of Simple Present Tense (Penggunaan Simple Present Tense)
  • Focus on Specific Participant (Fokus kepada Hal / orang / tempat secara khusus)

Yap, dengan penjelasan diatas, kira - kira communicative purposenya apa ya??  Yap, descriptive text is aimed at describing a particular person, place or thing (Untuk menggambarkan orang, benda, atau tempat tertentu secara khusus). Ok, kalau sekarang udah pada ngerti DESCRIPTIVE TEXT, sekarang kalian sama temen - temen kalian bisa mulai melatih COMMUNICATIVE COMPETENCE kalian melalui teks ini. Kalian bisa berlatih SPEAKING dan LISTENING dengan saling mendeskripsikan suatu benda yang ada di kelas  dan saling menebak apa benda yang dideskripsikan tersebut.  Selanjutnya kalian bisa berlatih WRITING dan READING dengan mendeskripsikan selebritis yang kalian sukai dan kalian bacakan di depan kelas. Mari kita berDESCRIPTIVE ria!!!! Siapa takut????


Operator

22 Oktober 2008
Virnie
Bahasa Inggris Kelas 12

tolong dong berikan 5 contoh explanation text. makasih yaa..

Dear Virnie,

Example of Explanation Text

Tsunami
The term of “tsunami” comes from the Japanese which means harbour ("tsu") and wave ("nami"). A tsunamigk is a series of waves generated when water in a lake or the sea is rapidly displaced on a massive scale.

A tsunami can be generated when the sea floor abruptly deforms and vertically displaces the overlying water. Such large vertical movements of the earth's crust can occur at plate boundaries.

Subduction of earthquakes are particularly effective in generating tsunamis, and occur where denser oceanic plates slip under continental plates.

As the displaced water mass moves under the influence of gravity to regain its equilibrium, it radiates across the ocean like ripples on a pond.

Tsunami always bring great damage. Most of the damage is caused by the huge mass of water behind the initial wave front, as the height of the sea keeps rising fast and floods powerfully into the coastal area. (simplified from www.panda.org)

How Day and Night Happen

The sun seems to rise in the morning, crosses the sky during the day and sets at night. However the sun does not actually move around the earth. Earth's turning on its axis makes it look as if the sun is moves.
The earth makes a complete turn on its axis for 24 hours. It is called as rotation. It causes day and night. The earth also moves around the sun. It takes 365 days or a year. This process is called revolution. The revolution process causes the changes of the season

Why Summer Daylight is Longger than Winter Daylight

In the summer, the amount of daylight that we get is more than we get in winter. This is not because as much people think we are closer to the sun but because of the tilt of the earth.
The earth is actually closer to the sun in winter than it is in summer but you would be forgiven for thinking that this can not be true after looking out of your window on a cold and frosty morning.
It seems strange that as the earth get closer to the sun during its orbit then the amount of daylight that we get decrease. But that is the case. It is the tilt of the earth that determine the amount of daylight that we get and so the length of time that for us the sun is above the horizon.
(Taken from: www.ictteachers.co.uk)

Generic Structure Analysis
General statement; stating the phenomenon whic daylight in summer is longer than in winter.
Explanation; it is the tilt of the earth that determines the amount of daylight not the distance of the earth from the sun.
Language Feature Analysis
Focusing generic participant; daylight.
Using chronological connection; then, so, but.
Using pasive voice; you would be forgiven.
Using present tense; the earth is actually closer to the sun

 


Operator

22 Oktober 2008
Vir lagi
Bahasa Inggris Kelas 12

cepetan yaa..


Operator


22 Oktober 2008
mia
Bahasa Inggris Kelas 12

tolong kasih aku contoh generic structur dari explanation text!!thanks

Dear Mia,

Example of Explanation Text

Tsunami
The term of “tsunami” comes from the Japanese which means harbour ("tsu") and wave ("nami"). A tsunamigk is a series of waves generated when water in a lake or the sea is rapidly displaced on a massive scale.

A tsunami can be generated when the sea floor abruptly deforms and vertically displaces the overlying water. Such large vertical movements of the earth's crust can occur at plate boundaries.

Subduction of earthquakes are particularly effective in generating tsunamis, and occur where denser oceanic plates slip under continental plates.

As the displaced water mass moves under the influence of gravity to regain its equilibrium, it radiates across the ocean like ripples on a pond.

Tsunami always bring great damage. Most of the damage is caused by the huge mass of water behind the initial wave front, as the height of the sea keeps rising fast and floods powerfully into the coastal area. (simplified from www.panda.org)

How Day and Night Happen

The sun seems to rise in the morning, crosses the sky during the day and sets at night. However the sun does not actually move around the earth. Earth's turning on its axis makes it look as if the sun is moves.
The earth makes a complete turn on its axis for 24 hours. It is called as rotation. It causes day and night. The earth also moves around the sun. It takes 365 days or a year. This process is called revolution. The revolution process causes the changes of the season

Why Summer Daylight is Longger than Winter Daylight

In the summer, the amount of daylight that we get is more than we get in winter. This is not because as much people think we are closer to the sun but because of the tilt of the earth.
The earth is actually closer to the sun in winter than it is in summer but you would be forgiven for thinking that this can not be true after looking out of your window on a cold and frosty morning.
It seems strange that as the earth get closer to the sun during its orbit then the amount of daylight that we get decrease. But that is the case. It is the tilt of the earth that determine the amount of daylight that we get and so the length of time that for us the sun is above the horizon.
(Taken from: www.ictteachers.co.uk)

Generic Structure Analysis
General statement; stating the phenomenon whic daylight in summer is longer than in winter.
Explanation; it is the tilt of the earth that determines the amount of daylight not the distance of the earth from the sun.
Language Feature Analysis
Focusing generic participant; daylight.
Using chronological connection; then, so, but.
Using pasive voice; you would be forgiven.
Using present tense; the earth is actually closer to the sun

 

 


Operator

22 Oktober 2008
IPA Kelas 7

Fungsi emulgator?

alat untuk membuat emulsi. Misalnya emulsi lemak (minyak) dalam air. Karena air tidak dapat bercampur dengan minyak, maka emulgator membuat partikel-partikel minyak menjadi kecil dan seolah bercampur dengan air (emulsi)
Operator


 

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