What is the value for f(4) if f(x)=2x What is the Value of f(-5) if f(x)=20x
1. What is the value for f(4) if f(x)=2x What is the Value of f(-5) if f(x)=20x
1. f(x) = 2x
ㅤf(4) = 2(4)
ㅤf(4) = 8 ✔️
2. f(x) = 20x
ㅤf(-5) = 20(-5)
ㅤf(-5) = -100 ✔️
Jawaban:
[tex]1). \: f(x) = 2x \\ f(4) = 2.4 \\ = 8 \\ 2). \: f(x) = 20x \\ f( - 5) = 20.( - 5) \\ = - 100[/tex]
Penjelasan dengan langkah-langkah:
semogamembantuya^_^
2. If 2x + 1 = 7 what is the value of x?
Jawaban:
x = 3
Penjelasan dengan langkah-langkah:
2x + 1 = 7
2x = 7 - 1
2x = 6
x = 6/2
x = 3 ✔️
Jawaban:
x=3
Penjelasan dengan langkah-langkah:
2x +1=7
2x =7 -1
2x =6
x =6\2
x =3
3. if x = 4, then what is the value of 12/x + 3 ?
Penjelasan dengan langkah-langkah:
[tex]x = 4 \\ \frac{12}{x + 3} = \frac{12}{4 + 3} = \frac{12}{7} = 1 \frac{5}{7} [/tex]
Jawaban:
[tex]x = 4 \\ \frac{12}{x} + 3 \\ \frac{12}{4} + 3 \\ 3 + 3 = 6[/tex]
Penjelasan dengan langkah-langkah:
semoga bermanfaat dan semoga gak salah
4. if 3x - y = 12, What Is The Value Of 8x/2y ?
In your question, there are no more information about that linear eqution, so we can't find the real value for 8x/2y..
5. What is the moral value of your analysis regarding the novel The ABC Murders?
In the ABC Murders by Agatha Christie we explore the mystery of not one, but four murders carried out meticulously and with proper planning. In this novel we get to see the solving process of an interesting murder case through two private detectives who have gotten back together after some time apart in retirement. We get to see how they are able to think like a murder and determine the motives and planning behind the crimes.
6. If x = 3 − √2, what is the value of x2 − 6x + 11?
Materi : Bentuk Akar dan Pangkat
( x = 3 - √2 )
x² - 6x + 11
= ( 3 - √2 )² - 6( 3 - √2 ) + 11
= ( 3 - √2 )( 3 - √2 ) + 6√2 - 18 + 11
= 9 - 6√2 + (√2)² + 6√2 - 7
= 9 + 2 - 7
= 9 - 5
= 4
Semoga bisa membantu
[tex] \boxed{ \colorbox{navy}{ \sf{ \color{lightblue}{ Answer\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
7. what is the moral value of the story?
what is the moral value of the story?
apa nilai moral ceritanya?
maksudnya cerita apa
what is the story
artinya
- pelajaran (makna/manfaat) apa yang dapat kita ambil
8. what is the value of x?
Jawaban:
x = 4
Penjelasan dengan langkah-langkah:
[tex] \frac{ {2}^{x + 2} + {2}^{x + 4} + {?}^{x + 6} }{128} = \frac{21}{2} [/tex]
[tex] {2}^{x + 2} + {2}^{x + 4} + {2}^{x + 6} = \frac{21}{2} \times 128[/tex]
[tex] {2}^{x + 2} + {2}^{x + 4} + {2}^{x + 6} = 1344[/tex]
[tex](1 + {2}^{2} + {2}^{4} ){2}^{x + 2} = 1344[/tex]
[tex](1 + 4 + 16) {2}^{x + 2} = 1344[/tex]
[tex]21 \times {2}^{ x + 2} = 1344[/tex]
[tex] {2}^{x + 2} = \frac{1344}{21} [/tex]
[tex] {2}^{x + 2} = 64[/tex]
[tex] {2}^{x + 2} = {2}^{6} [/tex]
[tex]x + 2 = 6[/tex]
[tex]x = 6 - 2[/tex]
[tex]x = 4[/tex]
jadi, nilai x adalah 4
9. If x = -65, y = -23 and z = 9, what is the value of XZ - y?
Jawab:
Penjelasan dengan langkah-langkah:
just put the number,
so, x = -65, y = -23 and z = 9
= -65 x 9 - (-23)
= -585 - (-23)
= -585 +23
= -562
10. What is the value of x in 3(x-4) =-20
Kelas 7 Matematika
Bab Persamaan Linear
3 (x - 4) = -20
3x - 12 = -20
3x = -20 + 12
x = -8/3Jawaban :
3(x-4) = - 20
3x - 12 = - 20
3x = -20 + 12
3x = -8
x = -8/3
x = - 2 2/3
11. Look at the figure aboveWhat is the value of X?
Materi : Sudut
x = 180° - (55° + (180° - 83°))
x = 180° - (55° + 97°)
x = 180° - 152°
x = 28°
12. The equation 2y + 2x = 0, if the value of x is 3 so the value of y is…
Hopefully help you.
The answer is y = -3.
13. what is the value of x 1495=490 + x
Jawaban:
1005
Penjelasan dengan langkah-langkah:
1495= 490 + x
1495 - 490= x
1005= x
cmiiw
14. If x – y = 9 and 10xy/5=15 . So, what is the value of x2+y2 …
Jawaban:
96
Penjelasan:
Diketahui x - y = 9 dan 10xy/5 = 15. Berdasarkan informasi tersebut, nilai 2xy = 15. Untuk memperoleh bentuk x² + y², lakukan operasi berikut:
x - y = 9
(x - y)² = 9²
x² + y² - 2xy = 81
x² + y² - 15 = 81
x² + y² = 96
The value of x² + y² is 96.
Semoga membantu :)
15. What is the value of x from the equation -8x=-56
Penjelasan dengan langkah-langkah:
[tex] - 8x = - 56[/tex]
[tex]8x = 56[/tex]
[tex]x = \frac{56}{8} [/tex]
[tex]x = 7[/tex]
16. If f(x) = 2(3x - 5) when f(x) = 74, what is the value of x?
f(x) = 2(3x - 5)
f(x) = 74
value of x is = ....
f(x) = 2(3x - 5) = 74
6x - 10 = 74
6x = 74 + 10
6x = 84
x = 84 : 6
x = 14
so, the value of x is 1417. If x = 5 + √3, what is the value of x2 − 10x + 25?
Jawab: 20√3 + 3
Penjelasan dengan langkah-langkah:
18. what is the value of 7/7 x 7/4?
7/7 = 1
so,
1 x 7/4 means
7/4.
The answer is 7/4
Jawaban:
#backtoschool2019
maaf kalo salah
Penjelasan dengan langkah-langkah:
[tex] \frac{7}{7} \times \frac{7}{4} \\ = 1 \times \frac{7}{4} \\ = \frac{7}{4} = 1 \frac{3}{4} \\ \\ atau \\ \frac{7}{7} \times \frac{7}{4} \\ = \frac{49}{28} \\ = \frac{7}{4} = 1 \frac{3}{4} [/tex]
19. x+ 10%= 75,000 what is the value of x?
[tex] = 75000 \times \frac{10}{100} \\ = 7500 \\ x + 10\% = 75000 \\ x = 75000 - 10\% \\ x = 75000 - 7500 \\ x = 67500[/tex]
20. √x + √9 = √64what is the value of x?
√x + √9 = √64
√x + 3 = 8
√x = 8 - 3
√x = 5
x = 5²
x = 25
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[tex]\boxed{\colorbox{hotpink}{\bf{\red{ {Answer \: by : \: \boxed{ \colorbox{purple}{ \bf{ \green{Saputri \: { \pink{Canzzz \: }}}}}}}}}}}[/tex]
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