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Brrunno [24]
3 years ago
5

During a basketball practice, Mai attempted 40 free throws and was successful on 25% of them. How many successful free throws di

d she make?
i need explanation im confused
Mathematics
1 answer:
Elena L [17]3 years ago
5 0
It’s basically asking what is 25% of 40. And since 25 times 4 equals 100%. Your answer would be 10.
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Solve the given differential equation by using an appropriate substitution. The DE is a Bernoulli equation.
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Multiplying both sides by y^2 gives

xy^2\dfrac{\mathrm dy}{\mathrm dx}+y^3=1

so that substituting v=y^3 and hence \frac{\mathrm dv}{\mathrm dv}=3y^2\frac{\mathrm dy}{\mathrm dx} gives the linear ODE,

\dfrac x3\dfrac{\mathrm dv}{\mathrm dx}+v=1

Now multiply both sides by 3x^2 to get

x^3\dfrac{\mathrm dv}{\mathrm dx}+3x^2v=3x^2

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\dfrac{\mathrm d}{\mathrm dx}[x^3v]=3x^2

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x^3v=\displaystyle\int3x^2\,\mathrm dx

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v=1+\dfrac C{x^3}

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4 years ago
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8 0
3 years ago
Which shows the expression below simplified?
DochEvi [55]

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A. 2,5 × 10⁻⁵

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Step-by-step explanation:

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