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8090 [49]
3 years ago
12

Pls help me this is a 66 point question I need real answers ​

Mathematics
2 answers:
larisa86 [58]3 years ago
3 0

Does G equal 2.3?. because this is a very diffacult problem, but the answer may very well be 2.3.

nekit [7.7K]3 years ago
3 0

Answer:

2.3

Step-by-step explanation:

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What does x equal in this equation<br><br>1/4(x-16)=3/4(x+20)?<br>​
erma4kov [3.2K]

Answer:

1/4x - 4 = 3/4x - 15

-1/2x - 4 = -15

-1/2x = -11

x = 22

6 0
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HELP PLEASE ON A TIMER!!! TIME REMAINING: 29:00 Enter the x-coordinate of the solution to this system of equations.
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Answer:36

Step-by-step explanation:

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3 years ago
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What is the cost of 4 pairs of Nikes if each pair is $365.68 along with 120 peaches that each cost $9.00? Help giving away 30 po
Nutka1998 [239]

Answer:

$2542.72 for everything

Step-by-step explanation:

$365.68*4=$1462.72 for the nikes

120*9.00=1080 for the peaches SO YOU ADD the $1462.72 and the *1080 which is $2542.72 for everything

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2 years ago
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Write a function to represent the set of ordered pairs for {(2, 2), (3, 7), (4, 14), (5, 23)}
weeeeeb [17]
(x, x^{2}-2)


so, y=x^{2} -2 is the function
5 0
3 years ago
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Write the equation for a parabola with a focus at (1,2)(1,2)left parenthesis, 1, comma, 2, right parenthesis and a directrix at
Tanya [424]

Answer:

  y = -1/8(x -1)² +4

Step-by-step explanation:

The equation of a parabola can be written from focus and directrix using the form ...

  y = 1/(4p)(x -h)² +k

where p is the distance from vertex to focus, and (h, k) is the vertex.

The vertex-focus distance is half the distance from the directrix to the focus. Here, that is ...

  p = (2 -6)/2 = -4/2 = -2

The vertex is halfway between the focus and directrix on the same vertical line, so has coordinates ...

  (h, k) = ((1, 2) +(1, 6))/2 = (1, 4)

__

Using these values of p and (h, k), we find the equation of the parabola to be ...

  y = 1/(4(-2))(x -1)² +4

  y = -1/8(x -1)² +4

_____

<em>Additional comment</em>

You can check the graph by considering the definition of a parabola: each point on the curve is equidistant from the focus and the directrix. This is easily verified for points on the horizontal and vertical lines through the focus. For example, point (5, 2) is 4 units from the focus, and 4 units from the directrix.

6 0
2 years ago
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