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Tju [1.3M]
3 years ago
12

If a rectangular poster has an area of

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
8 0
2x ^2 - 9x + 10=\\
2x^2-4x-5x+10=\\
2x(x-2)-5(x-2)=\\
(2x-5)(x-2) \Rightarrow C
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Andrew is building a ramp for a snowboarding competition. The rules of the competition say that the height of the ramp must be 8
lara31 [8.8K]

Answer:

The length of the third piece of the ramp is;

D. 9.24 feet

Step-by-step explanation:

The given parameters are;

The height of the ramp = 8 feet

The angle between the piece that forms height and the base = 90°

The angle formed by the third piece connecting the height of the ramp to the furthest point and the 8 foot piece = 30°

Let 'y' represent the 8-foot piece forming the height, and let 'r' represent the third piece, by trigonometric ratio, we have;

cos(30^{\circ}) = \dfrac{y}{r}

Therefore, we get;

cos(30^{\circ}) = \dfrac{8}{r}

r = \dfrac{8 \ feet}{cos(30^{\circ})} = \dfrac{8 \ feet}{\dfrac{\sqrt{3} }{2}  }  = \dfrac{16 \cdot \sqrt{3} \ feet}{3}  \approx 9.24 \ feet

The length of the third piece, r ≈ 9.24 feet

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3 years ago
Un árbol mide 10m de altura proyecta una sombra de 15m,¿ Cual es la altura de un faro que proyecta una sombra de 30m a la misma
nirvana33 [79]
La repuesta es 50m de de altura
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3 years ago
What is the answer for this equation
andrew-mc [135]

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Points showing equivalent relics on the coordinate planeten
koban [17]

Answer:

<em>Answer: (8,12) Third option</em>

Step-by-step explanation:

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Note all the ratios are equivalent.

From the ordered pairs provided in the choices, only one of them has the same ratio y:x.

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3 years ago
Name each angle in four ways.
myrzilka [38]

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Step-by-step explanation:

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3 years ago
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