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Maksim231197 [3]
3 years ago
12

Which of the following equations has only one solution?

Mathematics
2 answers:
Daniel [21]3 years ago
4 0
X^2-6x+9=0 has only one solution
Hope this helps
Ksenya-84 [330]3 years ago
4 0
The third one only has one solution and the first one has two which is 3,-3
the second one has two
So the answer is C

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What is the line of symmetry of the parabola y=x2+6x-9?
Rzqust [24]
First we have to find the vertex (h,k) h is also x and it also is the a xis symmetry

1st: group the number
(X2+6x)-9

2nd: use b/2

6/2 = 3 , 3^2= 9

(X2+6x+9)-9-9

(X2 + 3)-18

Vertex is 3,-18 so the symmetry is 3
5 0
3 years ago
Helppppppppppppppppppp will hive brainliest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Alik [6]

Answer:

the constant propertianr would be 4!

Step-by-step explanation:

1 times 4 is 4

2 times 4 is 8

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4 0
3 years ago
The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The p
mash [69]

Answer:

The heights of young women follow a Normal distribution with a mean u = 64.5 inches and standard deviation o = 2.5 inches. The probability that the mean height of an SRS of 10 young women exceeds 66.5 inches is _

normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(-99999999, 66.5, 64.5, 2.5)

normalcdf(66.5, 99999999, 64.5, 0.7906)

normalcdf(66.5, 99999999, 0, 1)

1 - normalcdf(66.5, 99999999, 64.5, 2.5)

1 - normalcdf(66.5, 99999999, 0, 1)

normalcdf(--99999999, 66.5, 64.5, 0.7906)

plz need help number 1 2 3 4 5 are pic

8 0
3 years ago
Cze-koip-vmu ao ladkiyo
malfutka [58]

Answer:

cze-koip-vmu ao ladkiyo

8 0
3 years ago
I need help, can someone please help me!!
ololo11 [35]
Your Answer is C bud There ya go
3 0
3 years ago
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