3 years ago

¿Que es la proporcionalidad inversa?

1 answer:

5 0

Answer:

Pero cuando una magnitud crece y la otra disminuye proporcionalmente, se le llama proporcionalidad Inversa. Dos magnitudes son inversamente proporcionales si al multiplicar (o dividir) una de ellas por un número, la otra queda dividida (o multiplicada) por el mismo número.

Or, But when one magnitude increases and the other decreases proportionally, it is called Inverse proportionality . Two quantities are inversely proportional if when multiplying (or dividing) one of them by a number, the other is divided (or multiplied) by the same number.

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Marrrta [24]

$\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{6\% of 45.25}}{\left( \cfrac{6}{100} \right)45.25}\implies 2.715~\hfill \underset{\textit{price plus tax}}{\stackrel{45.25+2.715}{\approx 47.97}}$

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2 years ago

marlee spins a spinner and rolls 1-6 # cube. the spinner has 5 equal parts # 1-5 . what is the probability she will spin an even

forsale [732]

The events are independant (i.e. what she rolls on the cube has no impact on how the spinner works). The probability of two independant events is given by:

$P_t = P_{cube} \times P_{spin}$

For the cube, 1/2 the numbers meet our requitment of being even, so:
$P_{cube} = \frac{Desired}{Total} = \frac{even}{total} = \frac{3}{6} =\frac{1}{2}$

For the spinner, there are 3 odds out of 5 (1, 3 & 5) so:
$P_{spin} =\frac{Desired}{Total} = \frac{odd}{total} = \frac{3}{5}$

and then:
$P_T = P_{cube} \times P_{spin}$
$P_T =\frac{1}{2} \times \frac{3}{5}$
$P_T =\frac{3}{10}$

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4 years ago

Find the measure of each angle indicated

Elden [556K]

Answer:

86º

Step-by-step explanation:

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3 years ago

Read 2 more answers

The number of movies watched by several students in the last month is shown in the list.

andrew-mc [135]

Answer:

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Step-by-step explanation:

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3 years ago

which equation demonstrates the use of a simple interest formula, , to compute the interest earned on $70 at 3% for 12 years?

erica [24]

Simple interest formula is
I=P*(rt)
P=70
t=12
3%=0.03
r=0.03
I = 70*0.03*12= 25.2

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3 years ago