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Oksana_A [137]
2 years ago
6

Thanks for the help guys

Mathematics
2 answers:
kobusy [5.1K]2 years ago
7 0

i dont really see your question but ok....

Monica [59]2 years ago
3 0

Answer:

Um.... Your welcome(confuse face), but also I see you got a bad grade. I wish I could've help you at least you would've gotten one answer right.

Step-by-step explanation:

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Write the equation for the parabola that has x− intercepts (1.2,0) and (4,0) and y− intercept (0,12).
zzz [600]
Equation of a parabola is written in the form of f(x)=ax²+bx+c.
The equation passes through points (4,0), (1.2,0) and (0,12), therefore; 
 replacing the points in the equation y = ax² +bx+c 
we get  0 = a(4)²+b(4) +c   for (4,0)
             0 = a (1.2)²+ b(1.2) +c for (1.2,0)
             12 = a(0)² +b(0) +c   for (0,12)
simplifying the equations we get
16a + 4b + c = 0
1.44a +1.2b + c = 0
+c = 12
thus the first two equations will be
16a + 4b = -12
1.44 a + 1.2b = -12 solving simultaneously 
the value of a = 5/2 and b =-13
Thus, the equation of the parabola will be given by;
 y= 5/2x² - 13x + 12 or y = 2.5x² - 13x + 12


3 0
3 years ago
Read 2 more answers
Need help thanks I’ll give brainiest or whatever it’s called
ANTONII [103]

Answer:

∠1 = 144°

∠2 = 144°

∠3 = 36°

∠4 = 90°

∠5 = 144°

∠6 = 36°

∠7 = 144°

∠8 = 90°

6 0
3 years ago
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Find the slope of the line going through the points (-4, 3) and (-1,-6)
Fed [463]

Answer:

-3

Step-by-step explanation:

m=y2-y1/x2-x1

m=-6-3/-1-(-4)

m=-9/3

m=-3

8 0
2 years ago
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May u please help me ill give out the brainly
Sedaia [141]

Answer: The answer that I think is A

sry if wrong

8 0
2 years ago
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Original price: $150; Markdown:40%(show work please)
zepelin [54]
Original price is $150 so you times 150 by 0.40
150 x 0.40 = 60
So you take the $150 and you subtract $60 from $150
150 - 60 = 90
So the answer is $90
8 0
3 years ago
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