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Ghella [55]
2 years ago
5

What is the equation of the axis of symmetry for the parabola​

Mathematics
2 answers:
Alina [70]2 years ago
7 0

Answer:

x=3

Step-by-step explanation:

Let's expand,shall we

y=½(x²-6x+9)+5

y=½x²-3x+4.5+5

y=½x²-3x+9.5

The equation is given by x=-b/2a

x=-(-3)/2•½

x=3/1=3

ozzi2 years ago
6 0

Answer:

x=3

Step-by-step explanation:

axis of symmetry always pass through X coordinate of vertex.

here vertex is (h,k)= (3,5)

so x coordinate is 3.

so the equation of the axis of the symmetry is X=3

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Let p: x &lt; −3<br> Let q: x &gt; 3<br><br> What is represented by p ∨ q?
I am Lyosha [343]

Amphitrite1040Answer:

Amphitrite1040

Step-by-step explanation:

7 0
3 years ago
"the life length x (in years) of a dvd player" is exponentially distributed with mean 5 years. what is the probability that a mo
loris [4]
The exponential distribution is:
\lambda e^{- \lambda x}
where \lambda = \frac{1}{mean}=\frac{1}{5}

The probability we want is how likely will a dvd player last more than 8 years, given it has already lasted 5 years
To find this, you use conditional probability.
P(A|B) = \frac{P(A and B)}{P(B)}
where A is P(x>8) and B is P(x>5)
To find these probabilities, integrate over the distribution:
P(x \ \textgreater \ N) = \int_N^{\infty} \frac{1}{5} e^{-x/5} dx = e^{-N/5}

Sub into conditional probability formula:

P(x \ \textgreater \ 8 | x\ \textgreater \ 5) = \frac{P(x\ \textgreater \ 8)}{P(x\ \textgreater \ 5)} = \frac{e^{-8/5}}{e^{-5/5}} = e^{-3/5} = 0.549

Final Answer: Given a dvd player is more than 5 years old, the probability that it will last another 3 more years is about 54.9%
3 0
3 years ago
5. 7 − 4.8 + 110 × 9 =
dedylja [7]

Answer: 990.9 .9+ 990

Step-by-step explanation: you have to do order of operations witch is PEMDAS so you do Parentheses then exponents multiplication or division and addition or subtraction but you do it depending how it starts and in this case you have to subtract the 2 numbers and then add the answer of the multiplication problem

7 0
3 years ago
Read 2 more answers
3x-6y=30 solve for x
ELEN [110]

Answer:

Step-by-step explanation:

x = 10+2y

6 0
3 years ago
Read 2 more answers
Peter's Party Zone sells cups in packages of 666 and plates in packages of 888.
lilavasa [31]

Answer:

the answer would be 24

Step-by-step explanation:

what you would need to do is find the LCM of 6 and 8

so the lcm of 6 and 8 =2 <em>times</em> 2<em> times</em> 2 <em>times </em>3= 24\

HOPE THIS HELPED<333

5 0
3 years ago
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