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BabaBlast [244]
3 years ago
15

Divide. Express your answer in simplest form. 2 1/2 ÷ 2 1/6

Mathematics
2 answers:
timurjin [86]3 years ago
6 0

Answer:

Step-by-step explanation:

2\frac{1}{2}/2\frac{1}{6}=\frac{5}{2}/\frac{13}{6}\\\\=\frac{5}{2}*\frac{6}{13}=\frac{5*6}{2*13}\\\\=\frac{5*3}{1*13}=\frac{15}{13}\\\\=1\frac{2}{13}

MA_775_DIABLO [31]3 years ago
4 0

Answer:

Exact form: 15/13

Mixed Number Form 1 2/13

Step-by-step explanation:

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Answer:

14 quarters and 1 nickel

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Can someone please explain the Pythagorean theorem to me?
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Answer:

Pythagoras theorem is is a mathematical law that states that the sum of squares of the lengths of the two short sides of the right triangle is equal to the square of the length of the hypotenuse.

Step-by-step explanation:

The hypotenuse is the side opposite to the right angle and so the equation for finding the hypotenuse would be:

a^2+^b^2=c^2

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Step-by-step explanation:

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dos aviones parten de una ciudad con direcciones S32°E y E57°N¿ cuál es el angulo que forma sus direcciones?​
Elan Coil [88]

Answer:

El ángulo formado entre las dos direcciones es aproximadamente 115º.

Step-by-step explanation:

Las direcciones dadas en el enunciado significan lo siguiente:

S32ºE - <em>32º al este del sur.</em>

E57ºN - <em>57º al norte del este.</em>

Vectorialmente hablando, cada dirección es la siguiente:

S32ºE

A(x,y) = (\sin 32^{\circ}, -\cos 32^{\circ})

A(x,y) = (0.530, -0.848)

E57ºN

B(x,y) = (\cos 57^{\circ},\sin 57^{\circ})

B(x,y) = (0.545, 0.839)

El ángulo formado entre los dos vectores unitarios (\theta), medido en grado sexagesimales, puede determinarse mediante la siguiente ecuación vectorial:

\theta = \cos^{-1} \frac{A\,\bullet \,B}{\|A\|\cdot \|B\|}

Donde:

\|A\| - Norma de A(x,y).

\|B\| - Norma de B(x,y).

Si sabemos que A(x,y) = (0.530, -0.848), B(x,y) = (0.545, 0.839), \|A\| = 1 y \|B\| = 1, entonces el ángulo formado entre los dos vectores es:

\theta = \cos^{-1} \frac{(0.530)\cdot (0.545)+(-0.848)\cdot (0.839)}{(1)\cdot (1)}

\theta \approx 115^{\circ}

El ángulo formado entre las dos direcciones es aproximadamente 115º.

4 0
3 years ago
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