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Kruka [31]
2 years ago
7

Titus and Timmy have 100 baseball cards between them. Titus has 10 more than twice

Mathematics
2 answers:
anzhelika [568]2 years ago
8 0

Answer:

45

Step-by-step explanation:

45 x 2 = 90

90 + 10 = 100

ella [17]2 years ago
5 0

Answer:

45

Step-by-step explanation:

45 x 2 = 90

90 + 10 = 100

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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}

6 0
3 years ago
A car enters an interstate highway 20 mi north of a city. The car travels north at an average speed of 58 mph. Which equation mo
HACTEHA [7]
The answer would be 20 d = h + 58
3 0
3 years ago
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Kitty [74]
The blank is 25.

Tip: There is already 25, so there is only 50. But they want half so, half of 50 is 25.

I hope you understand.
4 0
3 years ago
Emily flipped a coin 30 times the coin landed heads up nine times and tails up 21 times
lara [203]
Part A)
 The coin landed on heads 9 times out of 30 flips, so the experimental probability is 9/30, which reduces to 3/10 probability.

Part B)
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We have 12 pumpkin pies that need to be shared evenly between 16 people
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You can divide 16 and 12, which will get you 1 and 1/4 a person left, but rounded will get 2
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