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Alex73 [517]
2 years ago
14

Anyone knows the answer?! ​

Mathematics
2 answers:
aksik [14]2 years ago
7 0

Answer:

x = 3

Step-by-step explanation:

the axis of symmetry is a vertical line passing throught the vertex with equation

x = c ( where c is the value of the x- coordinate of the vertex )

vertex has coordinates (3, - 1 ) with x- coordinate 3 , then

equation of axis of symmetry is x = 3

larisa [96]2 years ago
5 0

Answer:

Your Answer is D. x = 3

Step-by-step explanation:

The axis of symmetry is x = 3.

I have copied your graph to appear to be this equation.

y = 2 * (x-3)^2 - 1

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Step-by-step explanation:

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2 years ago
What is the equation of the line with an X intercept of negative 2 and Y intercept of one
forsale [732]

Answer:

y = 1/2x + 1

Step-by-step explanation:

Step 1: Find slope

(1-0)/(0+2) = 1/2

Step 2: Write equation

y = 1/2x + 1

8 0
3 years ago
Write two Equivalent fraction for 1/2
alukav5142 [94]
4/8 and 3/6. Both of these z= 1/2
5 0
3 years ago
You and your friend are selling tickets to a charity event. you sell 12 adult tickets and 6 student tickets for $138. your frien
mr Goodwill [35]
Let's say the cost of student tickets is x and the cost of adult tickets is y. Then:

(1) 12y + 6x = 138
(2) 5y + 11x = 100

If we rearrange equation (1) we get:
12y = 138 - 6x
Now divide each side by 12:
y = 11.5 - 0.5x

We can now substitute this into equation (2):

5(11.5 - 0.5x) + 11x = 100
57.5 - 2.5x + 11x = 100
8.5x = 42.5
x = 5, therefor the cost of a student ticket is $5.00
6 0
3 years ago
You have 6L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constan
nika2105 [10]

Answer:

A(max) = (9/2)*L² ft²

Dimensions:

x = 3*L feet

y  = (3/2)*L   ft

Step-by-step explanation:

Let call  "x"  and  " y " sides of the rectangle. The side x is parallel to the wall of the house then

Area of the rectangle is  

A(r) = x*y

And total length of fence available is 6*L f , and we will use the wall as one x side then, perimeter of the rectangle which is 2x  +  2y   becomes x + 2*y

Then

6*L  =  x + 2* y    ⇒ y  = ( 6*L - x ) /2

And the area as function of x is

A(x)  =   x* ( 6*L - x )/2

A(x)  = ( 6*L*x  - x² ) /2

Taking derivatives on both sides of the equation we get:

A´(x)  =  1/2 ( 6*L - 2*x )

A´(x)  =  0      ⇒      1/2(  6*L  - 2*x ) = 0

6*L - 2*x  = 0

-2*x  = - 6*L

x  =  3*L feet

And

y  = ( 6*L - x ) /2   ⇒  y  = ( 6*L - 3*L )/ 2

y = ( 3/2)*L feet

And area maximum is:

A(max)  =  3*L * 3/2*L

A(max)  = (9/2)*L² f²

4 0
2 years ago
Read 2 more answers
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