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Pertanyaan
Pertanyaan
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bu/pak saya belum jelas ttg :
1. beda saraf simpatik dan para simpatik dan bagaimana cara menghapalnya
2. mengapa setiap 1 lingkaran tahun menandakan 1/2 tahun di pohon
mohon dijelaskan ya bu/pak, terimakasih...
1.jika x + y + z = 0 dan xz + xy + yz = -42
berapakah nila i x2 + y2 + z2 = ...?
2.diketahui persamaan sebagai berikut : x4 = y4 + 24 , x2 + y2 = 6 . dan x + y = 3maka nilai x - y = ...?
1.jika x + y + z = 0 dan xz + xy + yz = -42
berapakah nila i x2 + y2 + z2 = ...?
Jawab :
(x + y + z)2 = x2 + y2 + z2 + 2(xz + xy + yz)
02 = x2 + y2 + z2 + 2(-42)
0 = x2 + y2 + z2 - 84
84 = x2 + y2 + z2
Saya mempunyai 3 soal saya ingn tau caranya karena saya belum bisa mengerjakan bantu saya yaa
1. nilai rata2 dari 11 siswa adalah 7. jika nilai Mandra tidak diikutkan maka nilai rata2nya menjadi 6,9 maka nilai mandra adalah...
2. umur rata2 lima orang kakak beradik adalah 15 tahun. anak tetua (5p-2) tahun, adiknya (5p-4) tahun, (4p-3) tahun, (3p-6)tahun, dan (p) tahun maka anak tertua adalah...
3. umur rata2 para menteri dan guru adalah 37 tahun. jika umur rata2 guru 29 tahun dan rata2 menteri 43 tahun. maka perbandingan banyaknya guru dan menteri...
saya harap jawabanya dengan jalan dan caranya supaya mengerti...
sebelumnya saya ucapkan banyak terimakasih
Jawaban silahkan download file berikut :
lampiran
Ass wr. wb
saya annisa, mau bertanya tentang Amoeba proteus.
menurut anda, apa yang definisi atau pengertian dari Entamoeba dan ektamoeba?
tolong jelaskan dan beri contohnya!
-Trimakasih-
Amoeba proteus adalah amoeba yang bergerak menggunakan kaki semu (pseudopodia).
Ektamoeba adalah amoeba yang hidup di luar tubuh makhluk hidup lain.
tolong buatin analytical exposition television must be of during the studi
Is it important to know what your kids are watching? Of course yes. Television can expose things you have tried to protect them from, especially violence, pornography, consumerism, etc.
A study demonstrated that spending too much time on watching TV during the day or bedtime often causes bedtime disruption, stress, and short of sleep duration.
Another research found that there is a significant relationship between the amount of time spent for watching television during adolescence and early adulthood, and the possibility of being aggressive.
Meanwhile, many studies have identified a relationship between kids who watch TV a lot and being inactive and overweight.
Considering some facts mentioned above, protect your children with the following tips:
1. Limit television viewing to 1 – 2 hours each day
2. Do not allow your children to have a TV set in their bedrooms
3. Review the rating of TV shows that your children watch
4. Watch television with your children and discuss what is happening the show
Pak/ Bu saya ada kesulitan untuk mengetahui gerak mpada tumbuhan, mengapa gerak daun putri malu kalau disentuh disebut nasti sedangkan gerak membengkoknya ujung batang disebut tropisme. trims atas bantuannya.
Gerak pada tumbuhan pada dasarnya ada dua macam yaitu karena faktor luar dan faktor dalam. Nasti, tropisme, dan taksis merupakan gerak karena faktor luar. arah gerak daun putri malu bila disentuh tidak dipengaruhi oleh arah datangnya rangsang, rangsang dari manapun respon dari daun putri malu akan sama yaitu daun akan mengatup. Arah gerak ditentukan oleh tumbuhan itu sendiri merupakan ciri khas dari gerak nasti, sedang membengkoknya ujung batang tanaman termasuk tropisme karena arah gerak ditentukan oleh arah rangsang, bila sama dengan arah rangsangnya bersifat positif bila menjauhi rangsangnya bersifat negatif. Semoga adik Nadia bisa lebih memahami.
RR.RETNO YOSIANI T SARI, S.Pd. 21 Oktober 2011 0:0
Bu/ Pak tolong bagaimana penyelesain dari soal ini, persilangan antara bunga merah homozigot dominan dengan bunga merah muda, bagaimana rasio fenotif turunannya.
Andaikan genotif dari bunga merah homozigot dominan adalah MM, dan bunga merah muda Mm, adanya fenotif merah muda menunjukan adanya sifat intermedier, sifat dominan tidak sepenuhnya menutup sifat resesif. Maka persilangan yang mungkin terjadi adalah:
Genotif MM X Mm
Fenotif Merah Merah muda
gamet M M, m
MM ( merah)
Mm ( merah muda)
Rasio fenotif turunan = Merah : merah muda = 50% : 50%
pak aku rani....
aku pengend nanya nih ...ada soal matematka yang sulit aku kerjakan..moga - moga
bapak /ibu bisa bantu saya...
ini soal nya : sebuah model kerucut akan dibuat dari aluminium . jika luas permukaanya 200 cm^2. jawablah ertanyaan berikut .
a . mungkinkah diameter model kerucut tersebut 30 cm ? jelaskan.
b . berapa panjang diamter kerucut yang mungkin?
tolong dibalas ya pak..
Jawaban silahkan download file berikut : lampiran
Surahmanto, S.Pd 21 Oktober 2011 0:0
x/8-x ≥-2=.....
x/8-x ≥ -2 =
x/ (8 - x) + 2 ≥ 0
x/ (8 - x) + 2( 8 - x)/ 8 - x ) ≥0
( 16 - x ) / ( 8 - x ) ≥ 0
Hp : x < 8 atau x ≥ 16
tolong, bapak ibuguru, saya minta bantuan secepatnya tentang recount text dan contohnya serta bagianbagiannya sekalian
terima kasih :D
It happened on Sunday morning a few days ago. When I was about to have my routine cup of coffee along with a bagel, I realized that I did not have any bread at all. I have to admit that I am unable to enjoy coffee without some kind of baked goods.
Then I decided to run out to buy something, but all the stores were closed, but one. That store did not have any fresh pastries, and I ended up buying four slices of wheat bread. I was frustrated for two reasons: firstly, I couldn’t enjoy drinking my coffee on Sunday morning; and secondly, the sales woman charged me $3.00 for four slices of bread!
Next, I returned to the building where I live on the tenth floor, stepped into the elevator, pushed the button, and got out. When I reached my apartment and tried to unlock the door, I could not turn the key. I made a few attempts without success. I started banging on the door hoping to wake up my daughter. I was not successful at that either.
I can’t explain how it crossed my mind to check the number of the apartment. The apartment number was correct, except for the first digit: the apartment was on the ninth floor, but the tenth. I was shocked to realize that I had been banging on somebody else’s door.
I still muse over what might have happened if somebody had opened the door and what he or she would have said to me at 8:00 am on Sunday morning.
contoh yang lain
My Day at the Beach
(Orientaion)
Last week my friend and I were bored after three weeks of holidays, so we rode our bikes to Smith Beach, which is only five kilometres from where I live. When we arrived at the beach, we were surprised to see there was hardly anyone there. After having a quick dip in the ocean, which was really cold, we realized one reason there were not many people there. It was also quite windy.
(Events)
After we bought some hot chips at the takeaway store nearby, we rode our bikes down the beach for a while, on the hard, damp part of the sand. We had the wind behind us and, before we knew it, we were many miles down the beach. Before we made the long trip back, we decided to paddle our feet in the water for a while, and then sit down for a rest. While we were sitting on the beach, just chatting, it suddenly dawned on us that all the way back, we would be riding into the strong wind.
(Re-orientation)
When we finally made it back home, we were both totally exhausted! But we learned some good lessons that day.
