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Nat2105 [25]
3 years ago
7

the graph below shows a scatter plot and a linear model of joanna’s height, in inches, for various ages. what is the best interp

retation of the slope of the line?
Mathematics
2 answers:
qaws [65]3 years ago
8 0
Joanna can expect her height to increase about 2.5inches every year
Artemon [7]3 years ago
3 0

Answer: It's likely that Joanna was about 30 inches tall when she was born

Step-by-step explanation:

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Given that R=2x+9y Find x when y=3 and R=13.
german

R = 2x + 9y [ Given ]

When,

  • y = 3

  • R = 13

★ Substituting the values in the above equation

=> 13 = 2x + 9 × 3

=> 13 = 2x + 27

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2 years ago
I need help with this geometry question
UNO [17]

Answer:

radius ≈ 15.5

Step-by-step explanation:

the radius is RS

the angle between a tangent and the radius at the point of contact is 90°

then Δ RST is a right triangle

using Pythagoras' identity in the right triangle.

the square on the hypotenuse is equal to the sum of the squares on the other 2 sides , then

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RS² + 7² = 17²

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RS² = 240 ( take square root of both sides )

RS = \sqrt{240} ≈ 15.5 ( to 1 dec. place )

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1 year ago
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dimulka [17.4K]

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2 to the third power

Step-by-step explanation:

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3 years ago
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Vera_Pavlovna [14]

Answer:

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Step-by-step explanation:

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2 years ago
Which expression is equivalent to 10x²y + 25x^2
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5x²(2y + 5)

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10x²y + 25x²

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5x²(2y + 5)

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