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BANTUIN CARI HASIL DONG Seseorang mengendarai motor dengan kecepatan 72 km/jam mendekati mobil yang membunyikan sirene berfrekuensi 800hz. Jika frekuensi yang diterima oleh pengendara motor itu sebesar 820hz dan cepat rambat bunyi di udara 340 m/s. Tentukan kecepatan mobil itu beserta arahnya. Menurut aku Berarti diketahui vp = 20m/s fs = 800 hz fp = 820 hz v = 340m/s vs = ? karena fp > fs berarti (+)vp (-)vs fp = (v+vp/v-vs) x fs
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Jika maka nilai a adalah....
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LIMIT FUNGSI
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Help me :DDirections: Complete these sentences using the correct grammar in a good order.1. If she…in England, she wouldn‟t have spoken English very well in the competition.a. wasn‟t born nor grew upb. hadn‟t been born nor grown upc. weren‟t born nor grown upd. hadn‟t been born nor grew upe. haven‟t been born nor grow up.2. When we were still in love with each other, he…a. would send me every weekend beautiful flowers faithfully.b. faithfully sent me every weekend beautiful flowers.c. would faithfully send me beautiful flowers every weekend.d. faithfully send me beautiful flowers every weekend.e. Faithfully would sent me beautiful flowers every weekend.3. Jack : „There was a robbery in a bank yesterday. The robbers took US$ 7,671,177. What a large sum of money!‟John :„Well,…a. not only did they took the money, but murdered two people also.b. they did not only take the money, but also murder two people.c. they didn‟t only take the money, but they murdered two people also.d. not only did they take the money, but they also murdered two people.e. not only did they take the money, and they murdered two people.4.Ecologists are trying to preserve our environment…………..a. so that future generations can protect the ozone layer, purify the air, and replant trees that have been cut down.b. for future generations by protecting the ozone layer, purifying the air, and replanting trees that have been cut down.c. for future generations have to protect the ozone layer, purify the air, and replant trees that have been cut down.d. in order to make future generations protecting the ozone layer, purifying the air, and replanting trees that have been cut down.e. so that future generations protecting the ozone layer, purifying the air, and replanting trees that have been cut down.5. The last time I visited him, he was seeing a picture of him and his late dad. I thought he…a. remembered to spoil his dad.b. was remembering to be spoiled by his dad.c. remembered spoiling his dad.d. was remembering being spoiled by his dad.e. was remembering to be spoiling by his dad.6. Rona : „Why did you do it?‟Alda : „Well, you know the reason. I did it for him‟Qonita : „So,...a. if it were not for him, you wouldn‟t do it.b. had it not been for him, you wouldn‟t have done it.c. if it hadn‟t been for him, you wouldn‟t do it.d. were it not for him, you won‟t do it.e. If it was not for him, you wouldn‟t do it.
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Please help me to do this task. Thanks for attention brother and sister. :DQuestion 26-35Directions: the sentences below are not complete yet. Choose the most suitable and appropriate word(s)/form/tenses to make the sentences sound good and grammatically correct.26. When Andi was jogging in front of my house yesterday, I had him…me fix my car.a. stop helpingb. stopped helpingc. stops to helpd. stop to helpe. to stop helping27. One of my professors is known…her intelligence and her professionalism.a. withb. ofc. ind. ate. for28. In lily and other species…this type of development, all four megaspores, rather than a single megaspore, function in the subsequent development of the embryo sac.a. haveb. hasc. havingd. hade. are having29. Everyone who joins this kind of English Olympiad usually expects to…a. succeedb. successfulc. successd. successfullye. succeeded30. When I was still in junior high school, I …many kinds of student association.a. used to joinb. was used to joinc. used to joiningd. used joininge. used to be joined31. Everyone has different opinion, for example opinion about a process and a result. Personally, I think the process is…than the result.a. importantb. most importantc. very importantd. too importante. more important32. Grammar might be easy for some students;…, it might be very damned-difficult for some other students.a. furthermoreb. thereforec. on the other handd. moreovere. in addition33. Being fanatic supporters of a football team in a match, you are all supposed…anarchist when your team was defeated.a. not to beb. not beingc. don‟t bed. that you aren‟te. being not34. There were three boxes on the table,…was a cat.a. in the biggest of whichb. the bigger of whichc. the biggest of whichd. in the bigger of whiche. in the big of which35. Rika :„Why don‟t you choose Ahmad to join the English Olympiad?‟Fina :„Well, I don‟t like …to all people around!‟a. her bragsb. why she bragsc. she is braggingd. her bragginge. her to brag
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Jika tan , cos β = , dengan α dan β adalah sudut lancip. maka α+β adalah
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Persamaan mempunyai sepasang akar real yang berlawanan. Nilai k adalah
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Suatu suku banyak apabila dibagi dengan bersisa
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Luas daerah yang dibatasi kurva dan sumbu x adalah...satuan luas
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Himpunan penyelesaian persamaan , untuk π ≤ x ≤ 2π adalah
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Diketahui suku banyak Jika f(x) dibagi oleh (x+1) bersisa 24 dan jika dibagi oleh (x-2) bersisa 3, maka nilai (a-3b) adalah
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Salah satu persamaan garis singgung lingkaran di tiitk yang berabsis 1 adalah
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Help :DNilai dari adalah
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Please bantuin donk kak :(Tiga buah bilangan membentuk barisan geometri . Jumlah ketiga bilangan itu 39 dan hasil kali ketigabilangan tersebut 729.Suku ke dua dari barisan tersebut adalah ....A. 3B. 5C. 7D. 9E. 13Diketahui limas alas segi-4 beraturan T.ABCD dengan rusuk alas 8 cm dan rusuk tegak 12 cm. Jikatitik O merupakan perpotongan diagonal alas, jarak titik O ke bidang TBC adalah ....A. √7B. √14C. 2√5D. 2√7E. 2√14Diketahui prisma alas segi-6 beraturan dengan rusuk alas 3 cm dan tinggi 12 cm. Volumeprisma tersebut adalah ....A. 96 3 satuan volumB. 108 3 satuan volumC. 122 3 satuan volumD. 162 3 satuan volumE. 216 3 satuan volum
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Sejumlah uang terdiri dari koin pecahan dengan nominal 500,200 dan 100 dengan nilai total Rp.100.000 Nilai uang pecahan 500-an adalah setengah dari pecahan 200-an, tetapi tiga kali nilai pecahan 100-an. Hitunglah banyaknya koin tersebut.
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Barisan bilangan 2,3,5,6,7,10,11,... terdiri atas semua bilangan asli yang bukan kuadrat atau pangkat tiga bilangan bulat. Bilangan berapakah yang merupakan suku ke-250 barisan tersebut?
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Tentukan nilai x sesuai dengan gambar berikut
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Jika garis singgung kurva y=ax^2 + bx -2 pada (-1,-1) sejajar dengan garis 3x+y+65=0, maka nilai a dan b berturut turut adalah...
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`Dua buah linhkaran pada sebuah bidang mempunyai titik pusat yang sama. Jari-jari lingkaran besar adalah tiga kali jari-jari lingkaran kecil. Jika luas daerah di antara kedua lingkaran adalah 8 satuan luas, berapakah luas daerah lingkaran kecil?
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Seorang berjalan mendaki puncak bukit dengan kecepatan 1,5km/jam. Saat menutuni bukit, ia berjalan 3 kali lebih cepat. Jika waktu yang diperlukan untuk naik turun bukit adalah 6 jam, berapakah jarak kaki dan puncak bukit?
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Jika akar-akar persamaan membentuk deret aritmatika, nilai m adalah...
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Diketahui fungsi kuadrat f(x) = 2 + (3p - 2)x + p. Apabila grafik fungsi kuadrat tersebut memotong sumbu x pada 2 titik berbeda, maka nilai p yang memenuhi syarat adalah...
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Akar-akar persamaan kuadrat 2 + 7x + m = 0 adalah a dan b. Jika b = 2a - 2 dan a,b>0, maka nilai m adalah...
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Bentuk sederhana dari apabila x = + 7 dan y = 3 - 2 adalah...
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