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3 years ago

What percent of 80 is 50? Show your work.

Mathematics

1 answer:

Usimov [2.4K]3 years ago

4 0

50*2= 100

So 50 is one half of One hundred and if we use 100 divided by 2 to get 50 then we need to do 80 / 2 which will give us 40.

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The equation of line WX is 2x + y = −5. What is the equation of a line perpendicular to line WX in slope-intercept form that con

borishaifa [10]

Answer: $y=\dfrac12x-\dfrac{3}{4}$

Step-by-step explanation:

Given, The equation of line WX is 2x + y = −5.

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So, (slope of WX) × (slope of perpendicular to WX)=-1

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Equation of a line passes through (a,b) and has slope m:

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$y-(-2)=\dfrac{1}{2}(x-(-1))\\\\\Rightarrow\ y+2=\dfrac12(x+1)\\\\\Rightarrow\ y+2=\dfrac12x+\dfrac12\\\\\Rightarrow\ y=\dfrac12x+\dfrac12-2\\\\\Rightarrow\ y=\dfrac12x-\dfrac{3}{4}$

Equation of a line perpendicular to line WX in slope-intercept form that contains point (−1, −2) $:y=\dfrac12x-\dfrac{3}{4}$

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Marta_Voda [28]

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Step-by-step explanation:

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