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Halaman Arsip Pertanyaan
Setiap jawaban yang ada disini adalah jawaban yang beberapa diantaranya adalah sekedar contoh, tidak mengikat secara hukum atau ketentuan yang berlaku. Hak cipta tidak ada pada pengelola.


3448 Data founds
Media : Website
Pelajaran : Matematika
Kelas : 9
Penanya : ansarmaulana
Pertanyaan :

sebuah barisan aritmetika mempunyai rumus suku ke-n yaitu Un= 3n -5. jumlah 30 suku yang pertama  adalah....,

 

Penjawab : Murni Kusumawati, S.Pd dan Ngatijan, S.Pd
Jawaban :

U1 = 3(1)-5 = -2

U2 = 3(2) - 5 = 1

Beda U2 -U1 + 1 - (-2) = 3

Sn = n/2 {2U1 + (n -1) b}

S30 = 30/2 { 2 (-2) + (30 - 1) 3}

      = 15 { -4 + 29 (3) }

      = 15 ( -4 + 87 )

      = 15 ( 83 )

      = 895

Jadi jumlah 30 suku pertama barisan tersebut adalah 895.

Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : Dhyndaa
Pertanyaan : Ada gak ya text recount tentang pengalaman liburan yang jumlahnya 500 kata?
Penjawab : Dra. Endang Triningsih dan
Jawaban : Silakan buka di Attachment, contoh teks recount yang anda inginkan. Thanks
File : Download
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : isnaini permata lestari
Pertanyaan : contoh dialog interpersonal 2 orang gimana yaa?
Penjawab : Dra. Endang Triningsih dan
Jawaban :

 

cONTOH DIALOG INTERPERSONAL YANG ADA DI RAILWAY STATION.

 There are 2 people who haven't met each other sitting on the seat. They are waiting for their family. To kill the time, they make a chat.

Andrew  :  Are you waiting for someone?

Shinta   :  Yes.

Andrew :  Are you alone?

Shinta  :  Yes.  And you?

Andrew :  I am too. I always do it every weekend.

Shinta  :  I see. It must be a boring time, right?

Andrew :  Yeach ... as what you feel today ...

5 minutes later the train is coming.

 

Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : Ari pratama
Pertanyaan : Arti bahasa indonesia cerita snow maiden
Penjawab : Suzana Endang Cahyani, S.Pd dan
Jawaban :

Sebuah versi bahasa Indonesia "Snow Maiden" silahkan dibuka di attachment.

File : Download
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : Choirul
Pertanyaan : Artikan snow maiden dalam bahasa indonesia
Penjawab : Suzana Endang Cahyani, S.Pd dan
Jawaban : artinya: Gadis Salju yang cantik
Media : Website
Pelajaran : Matematika
Kelas : 9
Penanya : Audita Fathana
Pertanyaan :

I. y - 5x + 12 = 0II. y + 5x - 9 = 0III. 5y - x + 12 = 0IV. 5y +x + 9

I. y - 5x + 12 = 0
II. y + 5x - 9 = 0
III. 5y - x + 12 = 0
IV. 5y +x + 9 = 0
yang sejajar dengan titik (2,1) dan (3,6) adalah ..
Penjawab : Murni Kusumawati, S.Pd dan Ngatijan, S.Pd
Jawaban :

persamaan garis yang melalui titik (2,1) dan (3,6) adalah :

(y-1) : (6-1) = (x - 2) : (3 - 2)

(y - 1) : 5 = ( x - 2) : 1, kemudian dilakukan perkalian silang

 1(y - 1) = 5( x - 2)

y - 1 = 5x - 10

y = 5x - 9, jadi gradiennya 5.

dua garis sejajar bila mempunyai gradien yang sama.

I. y - 5x + 12 = 0 , gradiennya 5

Jadi yang sejajar adalah I

Media : Website
Pelajaran : Matematika
Kelas : 9
Penanya : ema
Pertanyaan : Jika diameter kerucut 18 cm dan panjang garis pelukisnya 15 cm ,maka berapa perbandingan dan jari-jari kerucut adalah
Penjawab : Surahmanto, S.Pd dan
File : Download
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : Dea
Pertanyaan : minta tolong dijelaskan penggunaan on,in,at 
terimakasih :)
Penjawab : Dra. Endang Triningsih dan
Jawaban : Prepositions "On," "At," and "In"
A preposition is a word that links a noun, pronoun, or noun phrase to some other part of the sentence.

Prepositions can be tricky for English learners. There is no definite rule or formula for choosing a preposition. In the beginning stage of learning the language, you should try to identify a preposition when reading or listening in English and recognize its usage.
•    to the office
•    at the desk
•    on the table
•    in an hour
•    about myself
A preposition is used to show direction, location, or time, or to introduce an object.

Here are a few common prepositions and examples.
On
Used to express a surface of something:
•    I put an egg on the kitchen table.
•    The paper is on my desk.
Used to specify days and dates:
•    The garbage truck comes on Wednesdays.
•    I was born on the 14th day of June in 1988.
Used to indicate a device or machine, such as a phone or computer:
•    He is on the phone right now.
•    She has been on the computer since this morning.
•    My favorite movie will be on TV tonight.
Used to indicate a part of the body:
•    The stick hit me on my shoulder.
•    He kissed me on my cheek.
•    I wear a ring on my finger.
Used to indicate the state of something:
•    Everything in this store is on sale.
•    The building is on fire.
At
Used to point out specific time:
•    I will meet you at 12 p.m.
•    The bus will stop here at 5:45 p.m.
Used to indicate a place:
•    There is a party at the club house.
•    There were hundreds of people at the park.
•    We saw a baseball game at the stadium.
Used to indicate an email address:
•    Please email me at abc@defg.com.
Used to indicate an activity:
•    He laughed at my acting.
•    I am good at drawing a portrait.
In
Used for unspecific times during a day, month, season, year:
•    She always reads newspapers in the morning.
•    In the summer, we have a rainy season for three weeks.
•    The new semester will start in March.
Used to indicate a location or place:
•    She looked me directly in the eyes.
•    I am currently staying in a hotel.
•    My hometown is Los Angeles, which is in California.
Used to indicate a shape, color, or size:
•    This painting is mostly in blue.
•    The students stood in a circle.
•    This jacket comes in four different sizes.
Used to express while doing something:
•    In preparing for the final report, we revised the tone three times.
•    A catch phrase needs to be impressive in marketing a product.
Used to indicate a belief, opinion, interest, or feeling:
•    I believe in the next life.
•    We are not interested in gambling.
Media : Website
Pelajaran : Matematika
Kelas : 9
Penanya : tyas
Pertanyaan :

assalamualaikum, saya mau bertanya

suku ke-8 dari barisan 243, 81, 27, 9,.... adalah ? tolong pembahasannya, terimakasih :)

Penjawab : Surahmanto, S.Pd dan
Jawaban :

Mbak Tyas di meja belajar....

a=U1=243

r=U2/U1

r=81/243

r=1/3

U8=?

U8=arn-1

U8=243x(1/3)8-1

U8=243x(1/3)7

U8=243 x 1/2187

U8=1/9

 

Media : Website
Pelajaran : Bahasa Inggris
Kelas : 9
Penanya : shella
Pertanyaan : recount text 500 kata.. maximaal 5 paragraf..
Penjawab : Dra. Endang Triningsih dan
Jawaban :

Yopu can find such text on web easily. You can use "recount' key words. I give you an example. You can modife it. Ok!

My Holiday in Bali

When I was 2nd grade of senior high school, my friends and I went to Bali. We were there for three days. I had many impressive experiences during the vacation. First day, we visited Sanur Beach in the morning. We saw the beautiful sunrise together. It was a great scenery. Then, we checked in to the hotel. After prepared our selves, we went to Tanah Lot. We met so many other tourists there. 

 They were not only domestic but also foreign tourists. Second day, we enjoyed the day on Tanjung Benoa beach. We played so many water sports such as banana boat, jetsky, speedboat etc. We also went to Penyu island to see many unique animals. They were turtles, snakes, and sea birds. We were very happy. In the afternoon, we went to Kuta Beach to see the amazing sunset and enjoyed the beautiful wave. The last day, we spent our time in Sangeh. 

 

 We could enjoy the green and shady forest. There were so many monkies. They were so tame but sometimes they could be naughty. We could make a close interaction with them. After that, we went to Sukowati market for shopping. That was my lovely time. I bought some Bali T-Shirt and souvenirs. In the evening, we had to check out from the hotel. We went back home bringing so many amazing memories of Bali.

 

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