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Ivenika [448]
3 years ago
8

Solve for x.

Mathematics
1 answer:
Mars2501 [29]3 years ago
8 0

The answer will be

x=5 or x=-5

hope this help

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i don't understand how to make it into a graphing form? how do you find the center and radius? (I'm confused because it has a 4x
Vilka [71]

Answer: \bold{(x-2)^2+(y-3)^2=\dfrac{1}{4}}

               Center = (2, 3)          radius = \bold{\dfrac{1}{2}}

<u>Step-by-step explanation:</u>

When both the x² and y² values are equal and positive, the shape is a circle. Complete the square to put the equation in format:

(x-h)² + (y-k)² = r²    where

  • (h, k) is the vertex
  • r is the radius

1) Group the x's and y's together and move the number to the right side

   4x² - 16x         + 4y² - 24y               = -51        

2) Factor out the 4 from the x² and y²

    4(x² - 4x          ) + 4(y² - 6y            ) = -51

3) Complete the square (divide the x and y value by 2 and square it)

    4[x^2-4x+\bigg(\dfrac{-4}{2}\bigg)^2]+4[y^2-6y+\bigg(\dfrac{-6}{2}\bigg)^2]=-51+4\bigg(\dfrac{-4}{2}\bigg)^2+4\bigg(\dfrac{-6}{2}\bigg)^2

  = 4(x - 2)² + 4(y - 3)² = -51 + 4(-2)² + 4(-3)²

  = 4(x - 2)² + 4(y - 3)² = -51 + 4(4) + 4(9)

  = 4(x - 2)² + 4(y - 3)² = -51 +  16  +  36

  = 4(x - 2)² + 4(y - 3)² = 1

4) Divide both sides by 4

   (x-2)^2+(y-3)^2=\dfrac{1}{4}

  • (h, k) = (2, 3)
  • r=\dfrac{1}{2}

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3 years ago
Which equation has non real solutions
Nutka1998 [239]

Answer:

D.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Can someone help me with number one
kherson [118]
The relationship is not proportional because the boys and girls are in different grades and they are in different activities.
5 0
3 years ago
My estimate was 2,808 is that a reasonable estimate and why
vova2212 [387]
<span>My estimate was 2,808 is that a reasonable estimate and why

312*9

9*2=18>>9*10=90>>9*300=2700

2700+18+90=>>2,808</span>
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3 years ago
Tomika uses 6/19 inches of wire to make a necklace and 3/13 inches of wire to make a bracelet.
Kay [80]

Answer:

#Answer: 3 Step-by-step explanation: Common sence  8 months ago 3 0 Answer: There are 3 necklace and bracelet sets she can make . Step-by-step explanation: Since we have given that Length of wire she used to make a necklace is given by Length of wire she used to make a bracelet is given by Total length of wire she is used  in all is given by Now, we calculate number of necklace and bracelet sets she can make , So, So, there are 3 necklace

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