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 - F. Sunu Purwawarsita
 - M.A.S Anggororini, S.Pd
 - Mahmud Jamal
 - Suzana Endang Cahyani, S.Pd
 - Tri Raharjo, S.Pd
 - Widiq Cahyono, S.Pd
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 - Dra. M. Nurin Azizah
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 - Murni Kusumawati, S.Pd
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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.


9692 Data founds
Media : Website
Pelajaran : Matematika
Kelas : 11
Penanya : Xerxezt
Pertanyaan : Berikan contoh fungsi turunan trigonometri
Penjawab : Drs. Jumadi dan
Jawaban :

contoh fungsi trigonometri 

f(x ) = sin2  ( 3x + 5)

f1(x) =  2 sin ( 3x + 5 ) cos (3x +5) 3 = 3 sin (6x + 10 ), mudah2 an sudah jelas , kami tunggu soal berikutnya

Media : Website
Pelajaran : Matematika
Kelas : 11
Penanya : dhila
Pertanyaan : Iya bu itu soalnya sudah lgkp, gmna ya penyelesainnya?
Penjawab : Drs. Jumadi dan
Jawaban :

mbak dhila , f(x) = 7 - 4x - x2       , f1(x) = -4 - 2x , -4 - 2x = 0 ,  x = -2

f(-2) = 11, f(-3) = 10 f(5) = -38, nilai maksimum 11 dan minimum - 38

contoh fungsi trigonometri 

f(x ) = sin2  ( 3x + 5)

f1(x) =  2 sin ( 3x + 5 ) cos (3x +5) 3 = 3 sin (6x + 10 )

 

Media : Website
Pelajaran : Matematika
Kelas : 11
Penanya : Indriani
Pertanyaan : Pak/bu bagaimana menghitung nilai stationer yg berada dlm interval. Misal: 1) Nilai maksimum dan minimum dr fungsi f(x)= x(pangkat 3)-6x(pangkat 2) dalam interval -1 ≤ x ≤ 2 adalah . . . . ≈Jwbnnya itu 0 dan -32 atau 0 dan -16 2) Nilai maksimum dan minimum dari fungsi f(x)= 7- 4x - x(kuadrat) pada interval -3 ≤ x≤ 5 adalah . . .
Penjawab : Drs. Jumadi dan
Jawaban :

Mbak Indriani, akan saya coba menjawabnya.

1.  f(x)= x(pangkat 3)-6x(pangkat 2) dalam interval -1 ≤ x ≤ 2 adalah . . . .

nilai maksimum dan minimum dlam interval tertutup  itu ada beberapa langkah sbb;

a. f(x) = x(pangkat 3)-6x(pangkat 2) diturunkan dulu ( dicari f1 (x)  )

b. dicari nila nol nya fungsi f1 (x)  atau ditentukan niali x dari f1 (x) = 0

c. jika x dalam interval  -1 ≤ x ≤ 2, maka dicari semuanya ( nah coba dicek jawabannya)

a.  f1 (x) = 3x2 - 12 x ,

b.  3x2 - 12 x = 0, 3x ( x - 4 )= 0

                              x = 0  atau x = 4 ( untuk x = 4, diluar interval jadi tidak dihitung )

c. f(0) = 0  , f(-1) = - 7 , f(2) = - 16 ,

jadi nilai minimum nya adalah - 16 , dan nilai maksimumnya 0 

Media : Website
Pelajaran : Fisika (SMA)
Kelas : 11
Penanya : erin cakratiwi
Pertanyaan :

sebuah roda pejal r = 10 cm , m= 10 kg , berotasi dengan kecepatan sudut 10 rad/s dari keadaan diam selama 2 sekon .

usaha roda selama berotasi adalah ....

Penjawab : Winarso, S.Pd dan
Jawaban : Silahkan lihat jawaban berikut!
File : Download
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 7
Penanya : desy
Pertanyaan : Saya minta latihan soal untuk kelas 7. Buat persiapan UAS. terimakasih banyak.Mohon secepatnya buat persiapan UAS tgl 7 jUNI.
Penjawab : M.A.S Anggororini, S.Pd dan
Jawaban : Untuk latihan soal anda bisa minta atau pinjam disekolah. Selamat belajar.
Media : Website
Pelajaran : Matematika
Kelas : 8
Penanya : shintya
Pertanyaan :

sebuah prisma  dengan alas berbentuk belah ketupat mempunyai panjang diagonal 24 cm dan 10 cm. jika luas selimut prismanya 780 cmmaka volume prisma tersebut adalah....

 

Penjawab : Surahmanto, S.Pd dan
Jawaban :

Panjang sisi belah ketupat = √122  + 52

                                       = √144 + 25

                                        = √169

                                        = 13 cm

Keliling belah ketupat = 4 x 13 cm

                                = 52 cm

Tinggi prisma = 780 : 52

                    = 15 cn

V olum prisma = 1/2 (24 x 10) x 15

                      = 1800 cm3
 

Media : Website
Pelajaran : Matematika
Kelas : 8
Penanya : shintya
Pertanyaan : sebuh prisma tegak segi empat mempunyai alas dengan ukuran 12 cm*9 cm. jika salah satu diagonal ruangnya 17 cm, maka volume prisma itu?
Penjawab : Surahmanto, S.Pd dan
Jawaban : Lihat jawaban di file down load berikut !
File : Download
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 12
Penanya : aditya pamungkas
Pertanyaan :

minta bantuannya...

tolong buatin contoh 1 paragraf tentang passive voice

terima kasih.

Penjawab : Tri Raharjo, S.Pd dan
Jawaban :

saya kasih contohnya anda silakan buat paragrafnya 

Here are some examples with most of the possible tenses:

infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed.
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed
infinitiveto be washed
simplepresentIt is washed.
pastIt was washed.
futureIt will be washed.
conditionalIt would be washed.
continuouspresentIt is being washed.
pastIt was being washed.
futureIt will be being washed.
conditionalIt would be being washed.
perfect simplepresentIt has been washed.
pastIt had been washed.
futureIt will have been washed.
conditionalIt would have been washed.
perfect continuouspresentIt has been being washed.
pastIt had been being washed.
futureIt will have been being washed.
conditionalIt would have been being washed.
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 12
Penanya : Darwis
Pertanyaan : Pak, saya ign tanyakan tentang active voice dan passive voice. Pak tolong bikinin aku contoh kalimat active voice dan passive voice dalam 16 tenses dgn menggunakan kata borrow. Tlng jawbanx pak. Trima kasih
Penjawab : Tri Raharjo, S.Pd dan
Jawaban :
Simple PresentActive:Ritawritesa letter.
Passive:A letteris writtenby Rita.
Simple PastActive:Ritawrotea letter.
Passive:A letterwas writtenby Rita.
Present PerfectActive:Ritahas writtena letter.
Passive:A letterhas been writtenby Rita.
Future IActive:Ritawill writea letter.
Passive:A letterwill be writtenby Rita.
HilfsverbenActive:Ritacan writea letter.
Passive:A lettercan be writtenby Rita
Simple PresentActive:Ritawritesa letter.
Passive:A letteris writtenby Rita.
Simple PastActive:Ritawrotea letter.
Passive:A letterwas writtenby Rita.
Present PerfectActive:Ritahas writtena letter.
Passive:A letterhas been writtenby Rita.
Future IActive:Ritawill writea letter.
Passive:A letterwill be writtenby Rita.
HilfsverbenActive:Ritacan writea letter.
Passive:A lettercan be writtenby Rita
Simple PresentActive:Ritawritesa letter.
Passive:A letteris writtenby Rita.
Simple PastActive:Ritawrotea letter.
Passive:A letterwas writtenby Rita.
Present PerfectActive:Ritahas writtena letter.
Passive:A letterhas been writtenby Rita.
Future IActive:Ritawill writea letter.
Passive:A letterwill be writtenby Rita.
HilfsverbenActive:Ritacan writea letter.
Passive:A lettercan be writtenby Rita
Simple PresentActive:Ritawritesa letter.
Passive:A letteris writtenby Rita.
Simple PastActive:Ritawrotea letter.
Passive:A letterwas writtenby Rita.
Present PerfectActive:Ritahas writtena letter.
Passive:A letterhas been writtenby Rita.
Future IActive:Ritawill writea letter.
Passive:A letterwill be writtenby Rita.
HilfsverbenActive:Ritacan writea letter.
Passive:A lettercan be writtenby Rita
Media : Website
Pelajaran : Bahasa Inggris
Kelas : 12
Penanya : Wahyu Ridanis
Pertanyaan : Bagaimana cara memahami bacaan teks bahasa Inggris dengan cepat?
Penjawab : Tri Raharjo, S.Pd dan
Jawaban :

ada beberapa cara membaca text

1. skimming : yaitu cara membaca text dengan sekilas saja.

2. scanning : yaitu membaca dengan teliti untuk mencari info tertentu.

semuanya harus dengan latihan yang tekun dan sabar.

selamat berlatih

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