2 years ago

Help!!!!!!please help

Mathematics

1 answer:

makvit [3.9K]2 years ago

6 0

Answer:

Step-by-step explanation:

because the x repeats

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Equation of line in slope-intercept form that passes through (4, -8) and is perpendicular to the graph $y= \frac {2}{5} x - 3$ is below

$y = - \frac {5}{2} x + 2$

Step-by-step explanation:

Slope of the equation $y= \frac{2}{5} x -3$ is $m_1 = \frac{2}{5}$

Since slopes of perpendicular lines are negative reciprocal of each other, therefore slope of other line is given as

$m_2 = - \frac {1}{m_1} = - \frac {5}{2}$

Equation of line in point slope form is given as

$y-y_1=m_2(x-x_1)$

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Simplifying it further

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2 years ago

Melanie invested $3,800 in an account paying an interest rate of 2 % compounded

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.85

Step-by-step explanation:

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$PV(1+\frac{i}{n})^{nt}$

Melanie:

$3800(1+\frac{.02}{4})^{(6*4)\\}\\=3800(1+.005)^{24}\\3800*1.1272=4283.21$

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4824.06-4283.21= .85

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