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jasenka [17]
2 years ago
14

Chanise's allowance is 1 3 of her older brother's allowance. Chanise's allowance is $6 per week. Solve the equation a 3 =6 to fi

nd out how much allowance Chanise's brother earns in a week.
Mathematics
1 answer:
kiruha [24]2 years ago
3 0

Answer:

a = $ 18

Step-by-step explanation:

It is given that Chinase's allowance is $6 per week and it is 1/3rd of his brother's allowance. Assuming the brother's allowance as "a", we can write the equation as follows:

\$6 = \frac{a}{3}\\a = (\$6)(3)

<u>a = $ 18</u>

Therefore, the allowance earned by Chinse's brother every week is found to be <u>$ 18</u>.

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Step-by-step explanation:

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Given the position of the particle, what the position(s) of the particle when it’s at rest
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The position function of a particle is given by:

X\mleft(t\mright)=\frac{2}{3}t^3-\frac{9}{2}t^2-18t

The velocity function is the derivative of the position:

\begin{gathered} V(t)=\frac{2}{3}(3t^2)-\frac{9}{2}(2t)-18 \\ \text{Simplifying:} \\ V(t)=2t^2-9t-18 \end{gathered}

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Solve by using the formula:

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Substituting:

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We have two possible answers:

\begin{gathered} t=\frac{9+15}{4}=6 \\ t=\frac{9-15}{4}=-\frac{3}{2} \end{gathered}

We only accept the positive answer because the time cannot be negative.

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undefined

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1- un tinaco se llena en 8 horas utilizando 4 llaves. en cuanto tiempo se llenara con 7 llaves?
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Step-by-step explanation:

Podemos calcular el tiempo necesario por una llave:

si sabemos que se llena en 8 horas con 4 llaves, entonces una sola llave va a tardar 4 veces 8 horas en llenar el tinaco, es decir, una sola llave tarda:

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