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KiRa [710]
2 years ago
5

Х у 20 14 1 3 5 2 5 10 Is this relation a function?.

Mathematics
1 answer:
dsp732 years ago
7 0

Answer:

No it is not a relation function if im correct there are two 5 x values so

Step-by-step explanation:

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Y= 7x - 19<br> y= 3x - 7<br><br> Solve for x and then use X to solve for y. (find x and y)
stepladder [879]

Answer:

(2,3)

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
X+y+z =4
cestrela7 [59]
<span><span> <span>Akar akar persamaan kuadrat 2x² - 3x -1 = 0 adalah x1 dan x2. Persamaan kuadrat baru yang akar akarnya satu lebih kecil dari dua kali akar akar persamaan kuadrat di atas adalah ........</span></span><span><span><span>A.x² - x - 4 = 0</span><span>B.x² + 5x - 4 = 0</span><span>C.x² - x + 4 = 0</span></span><span><span>D.x² + x + 4 = 0</span><span>E.x² - 5x - 4 = 0</span></span></span><span>Jawaban : A
Penyelesaian : 
Akar-akar persamaan lama :  x1 dan x2
                                             
Akar-akar persamaan baru :  xA dan xB
                                             xA = 2x1 - 1
                                             xB = 2x2 - 1
                                             xA + xB  = (2x1 - 1) + (2x2 - 1)
                                                           = 2 (x1 + x2) - 2
                                                           = 2 () - 2
                                                           = 3 - 2
                                              xA + xB = 1
    
                                              xA . xB = (2x1 - 1) (2x2 - 1)
                                                          = 4 x1.x2 - 2(x1 + x2) + 1
                                                          = 4.(-) - 2() + 1
                                                          = -2 - 3 + 1
                                              xA . xB = -4
    
Jadi persamaan kuadrat baru : x² - (xA + xB)x + xA . xB = 0
                                              x² - x - 4 = 0

</span></span>
4 0
3 years ago
Jeremy wants to give a 20% gratuity to his cab driver. His fare was $35.50. What is the total amount he will pay the driver?
Anna [14]
$42.60. You multiply 35.50 by .20 (that's decimal version of 20%) which equals 7.10. Then you add 35.50+7.10=42.60
8 0
2 years ago
Read 2 more answers
Please help idk any of this
AnnyKZ [126]

m<1=152

m<2=28

m<3=152

m<4=28

m<5=152

m<6=28

m<7=152


not completly sure but good luck

8 0
3 years ago
Which statements are true of the graph of h(x) = ^3 square root of x-4 ? Check all that apply.
kolezko [41]

Answer:

A,B,E

Step-by-step explanation:


4 0
3 years ago
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