Bentuk sederhana dari apabila x = + 7 dan y = 3 - 2 adalah.... Question from @Firman24

Firman24 @Firman24

August 2018 2 43 Report

Bentuk sederhana dari $\frac{x}{y}$ apabila x = $\sqrt{6}$ + 7 $\sqrt{2}$ dan y = 3 $\sqrt{6}$ - 2 $\sqrt{2}$ adalah...

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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Firman24 September 2018 | 0 Replies

Jika maka nilai a adalah....

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Firman24 September 2018 | 0 Replies

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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Firman24 August 2018 | 0 Replies

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

Answer

Firman24 August 2018 | 0 Replies

katakganteng X/y

=√6 + 7√2 / 3√6 - 2√2
=√6 + 7√2 ( 3√6 + 2√2)
------------------------------------
(3√6 - 2√2)(3√6 + 2√2)
= 18 + 2√12 + 21√12 + 28
---------------------------------------
9.6 -4.2
= 46 + 23 √12
--------------------
54 - 8
= 46 + 23.2√3
---------------------
46
= 46 + 46√3
----------------
46
= 1+√3

0 votes Thanks 1

rirismaulidina $\frac{ \sqrt{6}+7 \sqrt{2} }{3 \sqrt{6}-2 \sqrt{2} } \\ =\frac{ \sqrt{6}+7 \sqrt{2} }{3 \sqrt{6}-2 \sqrt{2} } ~x~\frac{ 3\sqrt{6}+2 \sqrt{2} }{3 \sqrt{6}+2 \sqrt{2} } \\ = \frac{3x6+2 \sqrt{12}+21 \sqrt{12}+14x2 }{9x6-4x2} \\ = \frac{46+23 \sqrt{12} }{46} \\ \frac{46+23x2 \sqrt{3} }{46} \\= \frac{46+46 \sqrt{3} }{46}~~~~~(dibagi~46) \\=1+ \sqrt{3}$

1 votes Thanks 1

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