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Ainat [17]
3 years ago
9

Three and two thirds times a number equals two ninths

Mathematics
2 answers:
worty [1.4K]3 years ago
8 0
3 2/3 x # = 2/9
# = 2/9 \ 3 2/3
# = 2/33 or 0.067
zlopas [31]3 years ago
8 0

Answer:

The number is \displaystyle\frac{2}{33}.

Step-by-step explanation:

Let x be the number.

We are given that:

Three and two thirds times a number

3\displaystyle\frac{2}{3}\times x

This is equal to two-ninths

Thus,

3\displaystyle\frac{2}{3}\times x = \displaystyle\frac{2}{9}\\\\\displaystyle\frac{11}{3}\times x = \displaystyle\frac{2}{9}\\\\x = \displaystyle\frac{2\times 3}{9\times 11}\\\\x = \displaystyle\frac{2}{33}

Hence, the number is \displaystyle\frac{2}{33}.

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En un triángulo rectángulo A es un ángulo agudo y Sen A = 4/5 ¿Cuál será el valor de Tan A?
Nonamiya [84]

Answer:

\displaystyle \tan A=\frac{4}{3}

Step-by-step explanation:

<u>Funciones Trigonométricas</u>

La identidad principal en trigonometría es:

sen^2A+cos^2A=1

Si sabemos que A es un ángulo agudo (que mide menos de 90°), su seno y coseno son positivos.

Dado que Sen A = 4/5, calculamos el coseno:

cos^2A=1-sen^2A

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\displaystyle cos^2A=1-\left(\frac{4}{5}\right)^2

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