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AfilCa [17]
3 years ago
9

Samuel is x year old and

Mathematics
1 answer:
pogonyaev3 years ago
8 0

Answer:

Samuel : x

wife : y

sum of their age : 2+ x : 10

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Select all x values that are solutions to the equation
Nutka1998 [239]

Answer:

The answers are 3 and 5

The only thing u had to do is

x-5=0

x=5

7x-21=0

7x=21

x=3

7 0
2 years ago
Solve the following equation for x<br> 2x+6=3x−12x+6=3x−1
Rudik [331]

Answer: x=11/22

Step-by-step explanation: 2x+6=3x−12x+6=3x-1                                           2x+6=3x+−12x+6=3x+-1                                                                                       2x+6=(3x+−12x)+(6+-1)=3x                                                                     2x+6+9x=−9x+5+9x=3x+9x                                                                                   11x+6=5=12x                                                                                                 11x+12x=6+5                                                                                             22x/22=11/22                                                                                                       x=11/22                                                                                                                                                                                                                                                                                            

3 0
3 years ago
X
ratelena [41]
C the correct answer is C
4 0
3 years ago
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}

6 0
3 years ago
$35.24<br> with a<br> 20% tip
adelina 88 [10]
$42.29
Multiply $35.24 by .2 and add that to the original bill.
4 0
3 years ago
Read 2 more answers
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