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3 years ago

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For a wedding the bride must select 4 bridesmaids from her 6 closest friends and must arrange them in order for the ceremony. Ho

w many arrangements of 4 bridesmaids from her 6 closest friends?
Asap will give brainliest

1 answer:

liraira [26]3 years ago

6 0

She will only 4 arrangements for each bridesmaid

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Identify the graph of 3x^2+y^2=9 for T(-1,3) and write an equation of the translated or rotated graph in general form.

Archy [21]

ANSWER

D. Ellipse;

$3{x}^{2} +{y}^{2} + 6x - 6y + 3= 0$

EXPLANATION

The given equation is

$3 {x}^{2} + {y}^{2} = 9$

Dividing through by 9 gives

$\frac{ {x}^{2} }{ 3} + \frac{ {y}^{2} }{9} = 1$

This is the equation of an ellipse centered at the origin.

If this ellipse has been translated, so that its center is now at (-1,3), then the equation of the translated ellipse becomes

$\frac{ {(x + 1) }^{2} }{ 3} + \frac{ {(y - 3)}^{2} }{9} = 1$

We multiply through by 9 to get,

$3 {(x + 1)}^{2} + {(y - 3)}^{2} = 9$

Expand to obtain;

$3( {x}^{2} + 2x + 1) + {y}^{2} - 6y + 9 = 9$

Expand to obtain;

$3{x}^{2} + 6x + 3+ {y}^{2} - 6y + 9 = 9$

Regroup and equate to zero to obtain;

$3{x}^{2} +{y}^{2} + 6x - 6y + 3= 0$

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The awnser is A,D,and E

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The volume of a prism is 45 km3. What would change if the volume of the prism were measured in cubic meters?

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The volume of the prism stays the same, but the number representing the volume increases because cubic meters converted to km is 1e-9

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What is the solution to the system x+ y =4 and 2x - y = -1

Lostsunrise [7]

Answer:

Step-by-step explanation:

hello :

the system is : x+ y =4 ...(*)

2x - y = -1...(**)

add(*) and (**) : 3x=3 so : x=1

put this value into (*) : 1+y=4 so : y=3

one solution : (1 , 3)

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