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2 years ago

Complete the pairs of corresponding parts if AABD = AEFC. B

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

5 0

Answer:

see explanation

Step-by-step explanation:

since the triangles are congruent, then corresponding angles are congruent.

∠ B = ∠ F

∠ FCE ≅ ∠ BDA

∠ EFC ≅ ∠ ABD

∠ FEC ≅ ∠ BAD

note that the order of letters in Δ ABD follows the same order as those in Δ BDA

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Answer:

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3 years ago

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3 years ago

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3 years ago

The flight of a kicked football follows the quadratic function f(x)=−0.02x^2+2.2x+2, where f(x) is the vertical distance in feet

Sergio039 [100]

Answer:

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Step-by-step explanation:

The function that models the flight of the ball is

$f(x) = - 0.02 {x}^{2} + 2.2x + 2$ where f(x) is the vertical distance in feet and x is the horizontal distance the ball travels

If the ball hits the ground, then f(x)=0

$\implies - 0.02 {x}^{2} + 2.2x + 2 = 0$

The solution is given by the quadratic formula:

$x = \frac{ - b \pm \sqrt{ {b}^{2} - 4ac} }{2a}$

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This implies that:

$x = 110.90 \: or \: x = - 0.90$

Since we are dealing with time,

$x = 110.90$

To one decimal place, we have 110.9 feet

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3 years ago

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