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2 years ago

Y=-3x+2 y=4x-5 FInd the y slope. FInd the x slope.

Mathematics

1 answer:

mars1129 [50]2 years ago

5 0

Both these expression are written in slope-intercept form. y = mx + b

m = slope

b = y-intercept

We can find the slope of each expression by finding what m is in each equation.

y = -3x + 2 -> m = -3

y = 4x - 5 -> m = 4

Remember that m = slope

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Wolfyy :)

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Step-by-step explanation:

Refer the attached figure

Let AB be the height of hill

We are given that He determines that the angle of elevation to the top of the hill is 50°

So, $\angle ACB= 50^{\circ}$

Now He then walks 40 feet farther from the base from the hill and determines that the angle of elevation to the top of the hill is now 30°

So, CD=40 feet

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$Tan \theta = \frac{Perpendicular}{Base}\\Tan 30^{\circ} =\frac{AB}{BD}\\\frac{1}{\sqrt{3}}=\frac{AB}{BC+40}\\\frac{1}{\sqrt{3}}(BC+40)=AB----2$

So,equate 1 and 2

$1.1917 BC=\frac{1}{\sqrt{3}}(BC+40)\\BC=37.59$

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