Persamaan kuadrat mc009-1.jpg mempunyai dua akar mc009-2.jpg dan mc009-3.jpg. Jika mc009-4.jpg , maka nilai konstanta c adalah
1. Persamaan kuadrat mc009-1.jpg mempunyai dua akar mc009-2.jpg dan mc009-3.jpg. Jika mc009-4.jpg , maka nilai konstanta c adalah
Jawaban:
Penjelasan:
[tex]\displaystyle x_2 = \dfrac{x_1^2}{2} \to c = 2\cdot x_1x_2 = x_1^3\\2x_1^2+x_1 + x_1^3 = 0\\x_1(x_1^2+2x_1+1) = 0\\x_1(x_1+1)^2 = 0 \to x_1 = -1\cup 0\\x_1+x_2 = -\dfrac{1}{2}\\2x_1+2x_2 = -1\\x_1^2+2x_1+1 = 0 \to x_1 = -1 \cap( x_1 = -1\cup 0)\to x_1 = -1\\\\\\\boxed{\boxed{c = -1}}[/tex]
2. Which fraction is equivalent to 7% ?
Jawaban:
Pecahan apa yang setara dengan 7%?
3. which of the following is equivalent to 1 <|x-2| < 4?
semoga bermanfaat :)
4. Which is the following expression to show appreciation to others
Jawaban:
Sari, good luck for you. i hope i can become like you. which have many opinion
5. expression which uses to state an agreement is
Jawaban:
1. Indeed
2. Yes
3. Sure
4. Of corse
Jawaban:
Agreement expression is used to explain an agreement for an opinion and a fact. In expressing agreement, students can express something when agreeing with another opinion. Meanwhile, when students do not agree about something, opinion, and fact, the students can express disagreement.
6. which is the expression to greet a person
congratulation you can solve the problem
7. Terjemahan dari which is the expression to ask about one's condition?
Arti dari "which is the expression to ask about one's condition?" yaitu Manakah yang merupakan ungkapan untuk bertanya tentang suatu kondisi?
8. Jika x dan y merupakan penyelesaian dari sistem persamaan mc009-1.jpg . Nilai dari (x + y) = . . .
x+2y= -3 (x1)
2x-y = 4 (x2)
x+2y = -3
4x-2y = 8
________+
5x = 5
x = 5/5
x = 1
x+2y=-3
(1)+2y=-3
2y = -3-1
2y = -4
y = -4/2
y = -2
maka :
(x+y)
= 1+(-2)
= -1
Semogamembantu:")
9. Which expression is used to show that rabecca is proud of Ivan
Jawaban:
happy or glad
Penjelasan:
maybe that i'm sorry if i made mistake:)
10. Which is the best expression to complete the dialogue?
Jawaban:
B. Hope
Penjelasan:
Dari soalnya , 'Aku .... kamu ingat untuk mengirim surat ke nenek'. Jawaban yg paling tepat adalah 'Hope' (Harap)
11. which expression is used to give an opinion?
Jawaban:
1.l would say that ...2.My impression is that ...3.I have the feeling that ...4.I have no doubt that ...Penjelasan:
I hope it help...#eager to learn#English12. the frations which has value equivalent to 12 1/2 persen to
12,5 % = 12,5/100 = 125/1000 = 1/8jawabannya adalah 1/8 maaf ya klu salah
13. Expression which uses to state disagreement is..... *
arti:
Ekspresi yang digunakan untuk menyatakan ketidaksetujuan adalah ..... *
jawaban
nervous
Like a person with many minds.
14. arti Which one is the expression to get somebody'sattention?
Penjelasan:
yang mana ekspresi untuk menarik perhatian seseorang?
Jawaban:
example nya yah :
Asking for attention
Can I have your attention, please?
Excuse me, I wonder if I could trouble you ….
May I have your attention, please?
Excuse me, ….
Showing attention
That’s alright
I see. – Tell me more about it.
Oh, yes. – Really?
Mmm… – so what happens next?
Penjelasan:
semoga membantu
15. which expression is used to state an opinion?
agree(setuju) or disagreement (tdk setuju)
*sorry klo slh
16. Which of the following is equivalent to -3? -√3 + 3 √-9 - √9 - √3 - √3
a) 3-√3
b) 3i
c) -3
d) -2√3
so, the answer is c
17. Which expression is used to giving disagreeing opinion
Soal:
Do you agree if your house are crash
Do you agree if our canteen are crash
Jawaban:
No, I disagree
No, I disagree
18. which expression is used to check someone's understanding in dialogue 1?
Dialogue nya mana ya
19. Jika x dan y merupakan penyelesaian dari sistem persamaan mc009-1.jpg . Nilai dari (x + y) = ?
Jawab:
Penjelasan dengan langkah-langkah:
Jawab:
x+2y= -3 (x1)
2x-y = 4 (x2)
x+2y = -3
4x-2y = 8
________+
5x = 5
x = 5/5
x = 1
x+2y=-3
(1)+2y=-3
2y = -3-1
2y = -4
y = -4/2
y = -2
maka :
(x+y)
= 1+(-2)
= -1
Penjelasan dengan langkah-langkah:
20. Which is the expression of giving coments to good news
Jawaban:
happy, gratitude
maaf kalo salah, aku juga lagi belajar ini :")
Jawaban:
congratulations, congrats
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