4 years ago

What is( 7^4 * 9^-3 +7^5 * 9^-4) / 7^4 * 9^-4

Mathematics

2 answers:

Elodia [21]4 years ago

6 0

Answer:

3.7168917E-7

Step-by-step explanation:

elixir [45]4 years ago

4 0

Answer:

3.7168917E-7

Step-by-step explanation:

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The pair of points 6, Y and 10, -1 light on a line with a slope of 1/4 what is the value of Y

andrezito [222]

$\bf (\stackrel{x_1}{6}~,~\stackrel{y_1}{y})\qquad (\stackrel{x_2}{10}~,~\stackrel{y_2}{-1}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-1-y}{10-6}=\stackrel{\stackrel{given}{\downarrow }}{\cfrac{1}{4}}\implies \cfrac{-1-y}{4}=\cfrac{1}{4} \\\\\\ 4(-1-y)=4\implies -1-y=\cfrac{4}{4}\implies -1-y=1\implies -2=y$