The half-life of a 500g material is 1 year.a) Find the mass after n years, Tn. [4 marks]b) Find the smallest number of years that the mass is less than 1g[8 marks]
1. The half-life of a 500g material is 1 year.a) Find the mass after n years, Tn. [4 marks]b) Find the smallest number of years that the mass is less than 1g[8 marks]
Jawab:
Penjelasan dengan langkah-langkah:
2. the half of __ is 940
Jawaban:
1880
semoga jawabannya bener ya
3. life half is memory half is to continue artinya
separuh hidup adalah separuh ingatan akan dilanjutkan
Jawaban:
separuh hidup adalah separuh ingatan akan dilanjutkan
Penjelasan:
insyaallah benar
4. The average age of workers in a factory is36 years. it is also known that the averageage of male worker is 40 years and theaverage age of female worker is 30 years.what is the ratio between the number ofmale workers and the number of famaleworkers? *
Jawaban terlampir yyaa, semoga membantu!
5. the last month of the years is....
December is the last month of the year
december
semangat belajar
6. what is the meaning of life?
Jawaban:
life is a place that requires a space as a living being entitled like humans and animals
Penjelasan:
sorry if wrong
#Brainlybaclory
#brainlyid
#brailnyen
Jawaban:
It depends According to whom
Penjelasan:
Artinya
Tergantung menurut siapa
Maaf kalo salah
7. the average age of workers in a factory is 36 years. It's also known that the average of male worker is 40 years and the average age of female workers is 30 years. What is the ratio between the number of male workers and the number of female workers?
tolong terjemahkan ke bahasa Indonesia soalnya aku gak ngerti bahasa Inggris
8. 1. What are the important achievements in the early years of Alexander Graham bell life 2. What are the important achievements in the later years of Alexander Graham bell life
what do you mean yeeeeeeah
9. 16. Diketahui nomor atom dan massa cesiumadalah 55 dan 132. Jumlah proton dan elektrondalam ion cesium adalah .... HOTSa. 137 dan 137 c.137 dan 77b. 137 dan 55 d. 55 dan 54
jawaban: c. 137 dan 77
semoga membantu
Jawaban:
C.137 dan 77
Penjelasan:
Mohon Maaf Kalau Ada Kesalahan Semoga Bermanfaat Amiin YRA
10. what is the meaning of life???
bagaimana cara kamu hidup dan apa yang dapat kamu lakukan bagi orang lainartinya: apa arti hidup
11. what is the meaning of life?
Jawaban:
life is struggle not destination
thxx
Jawaban:
what is the meaning of life?
apa arti hidup?
-Life is a feature that distinguishes physical objects that have biological processes from physical objects that do not, either because those functions have ceased or because they never had that function and are classified as inanimate.
-Kehidupan adalah ciri yang membedakan objek fisik yang memiliki proses biologis dengan objek fisik yang tidak memilikinya, baik karena fungsi-fungsi tersebut telah berhenti atau karena mereka tidak pernah memiliki fungsi tersebut dan diklasifikasikan sebagai benda mati.
12. . The angle of half circle is ...
The angle of a half circle is 180°.
[tex]\\[/tex]
EXPLANATIONA circle has an angle of 360°. Cut it in half and you would get two half circles with each one of them has an angle of 180°. Cut one in half and you would get two quarter circles. We know that a quarter circle has an angle of 90°.
So, with basic arithmetic we can find the solution to the problem; The angle of a half circle is a hundred and eighty degrees (180°) because three hundreds and sixty, which is the angle of a circle in degrees, divided by two is equal to a hundred and eighty (360/2 = 180).
[tex]\\[/tex]
LEARN MORESome math problems involving circles:
brainly.co.id/tugas/21577450[tex]\\[/tex]
SOLUTION DETAILSMapel: Matematika
Kelas: 8
Materi: Lingkaran
Kode: 8.2.7
13. the total age of mina family is 200 years, she is 30 years old. express mina age as a percentage of the total family
Jawaban:
15%
penjelasan dengan langkah-langkah :
30/200 × 100%
= 15%
Penjelasan dengan langkah-langkah:
usia total keluarga mina adalah 200 tahun, dia berusia 30 tahun. nyatakan usia mina sebagai persentase dari total keluarga
jawabannya adalah 15%
maaf kalau salah
14. The sum of the ages of Tom and Jerry now is 52 years. If Tom is 4 years older than Jerry. The correct statement below is … * Two years later,Tom will be 30 years old. Three years ago, the sum of their ages was 49 years. Now, Jerry is 28 years old. Two years ago, Jerry was 26 years old. dikasih tau caranya
Jawaban:
Tom as T
Jerry as J
T+J = 52
T = 52-J
T = 4+J
4+J = 52-J
4 + 2J = 52
2J = 52 - 4
2J = 48
J = 24
T = 4+J
T = 4 + 24 = 28
answer (A) Two years later,Tom will be 30 years old.
15. What is the meaning of life
life adalah kehidupan
jadikan jawaban terbaik ya :)
what is the meaning of life = apa arti / maksud dari kehidupan ?
16. what are the important achievements in the early years of archimedes life?
Archimedes 287 BC to 212 BC
Archimedes screw, pi (mathematical constant), the principle of hydrostatic
Archimedes is known for his theory of the relationship between surface and volume of a sphere of the cylinder. He is also known as the theory and formula of the principle of hydrostatic and equipment to raise the water - 'Archimedes Screw' or Archimedes screw, which is still widely used in developing countries. Although a lever or ungkitan been discovered long before Archimedes was born, Archimedes who developed the theory to calculate the load required for these levers. Archimedes is also ranked as one of the ancient mathematicians and is the best and greatest of his era. Archimedes accurate calculation of the ball on the arch made in mathematical constants for Pi or Ï €.
Archimedes was born in 287 BCE in a port city of Syracuse, Sicily (now Italy). In his youth, Archimedes expected to get educated in Alexandria, Egypt.
The water is transferred upward through a thread on an Archimedes Screw
The story of Archimedes many told by people is the story of Archimedes time to find ways and formulas to calculate the volume of objects that do not have a standard form. According to the story, a crown for the king Hiero II has been made and the king ordered Archimedes to check whether the crown was really made of pure gold or silver containing added. Because King Hiero II do not trust the creator of the crown. When Archimedes soaking in the tub, he noticed that the water in the tub comparable to spill out of her body. Archimedes realized that this effect can be used to calculate the volume and content of the crown. By dividing the weight of the crown with the volume of water displaced, the density and the density of the crown could be obtained. Density of the crown would be lower than the density of pure gold when the creator of the crown to cheat and add a silver or metal with a lower specific gravity. Because too excited by this discovery, Archimedes jumped out of the tub, forgot to get dressed first, and ran out into the street and shout "EUREKA!" or 'I found it'.
17. The sum of ages of a group of people is 4476. The eldest person is ≤79 years old. The youngest is ≥30 years old. No more than 3 people in the group are of the same age. What is the minimum number of people who are ≥60 years old?
Jawaban:
Jumlah usia sekelompok orang adalah 4476.
Orang tertua berusia ≤79 tahun. Yang termuda berusia ≥30 tahun.
Tidak lebih dari 3 orang dalam grup yang berusia sama.
Berapa jumlah minimal orang yang berusia ≥60 tahun?
Semoga membantu
18. The average age of workers in a factory is36 years. It is also known that the averageage of male worker is 40 years and theaverage age of female worker is 30 years. What is the ratio between the number ofmale workers and the number of famaleworkers? *.
[tex]male \: workers \div female \: workers \\ (total - female) \div (male - total) \\ (36 - 30) \div (40 - 36) \\ 6 \div 4 \\ 3 \div 2[/tex]
19. 28. Which does NOT change with time for a first-order reaction? (A) the amount of reactant that disappears in each half- life (B) the concentration of the reactant (C) the length of each half-life (D) the rate of the reaction
Pada reaksi order pertama yang tidak mengalami perubahan adalah :
C. The length of each half-life
Pembahasan
Reaksi orde pertama adalah reaksi dalam orde menetap, laju reaksi berbanding lurus dengan konsentrasi salah satu reaktan. Reaksi orde pertama sering memiliki bentuk umum A → produk. Tingkat diferensial untuk reaksi orde pertama adalah sebagai berikut:
laju=−Δ[A]/Δt=k[A]
Jika konsentrasi A digandakan, laju reaksi menjadi dua kali lipat, jika konsentrasi A dinaikkan dengan faktor 10, laju reaksi meningkat dengan faktor 10, dan seterusnya. Karena satuan laju reaksi selalu mol per liter per detik, satuan konstanta laju orde pertama adalah detik timbal balik (s−1). Hukum laju terintegrasi untuk reaksi orde pertama dapat ditulis dalam dua cara yang berbeda: satu menggunakan eksponen dan satu menggunakan logaritma. Ingat bahwa hukum laju terintegrasi memberikan hubungan antara konsentrasi reaktan dan waktu.
Pelajari lebih lanjut
Pelajari lebih lanjut mengenai materi laju reaksi orde pertama pada link berikut :
https://brainly.co.id/tugas/6386928
#BelajarBersamaBrainly
#SPJ1
20. 2 According to the chorus of "Love of My Life', the word 'it' refers to b. The person in the 'Love of My Life' song feels sad because Life described in the chorus of "That's What Friends Are for is d. Life described in the chorus of Love of My Life is e Life described in the chorus of It's My Life is
According to the chorus of "Love of My Life", the word 'it' refers to the love that the person is asking to be brought back.
The person in the song feels sad because their love has been hurt and broken by the other person leaving them.
Life described in the chorus of "Love of My Life" is one that is filled with sadness and longing for the return of love that has been taken away.
The person in the song is pleading for the return of their love and expressing that the other person does not understand the significance and meaning of the love they share.
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