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3 years ago

10

if the perpendicular drawn from any two vertices to their opposite sides of a triangle are equal prove that the triangle is an i

sosceles triangle

1 answer:

julsineya [31]3 years ago

3 0

Go and answer yourself is going to benificial for you hdhdjdjdb

Step-by-step explanation:

Put you pen in your hand and hold it titely and put in your

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the sale price of an iphone is 179.00. if the percent discount was 20% what was the original price of the iphone?

Tju [1.3M]

100 - 20 = 80
179.00 = 80%
179.00 / 80 = 2.2375 = 1%
1% x 100 = 100%
So, 2.2375 x 100 = 100%
Therefore the original price was 223.75

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What is the domain of f(x)=9-x2

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4 years ago

What is the zero of y=-4x^2+8x-28

tangare [24]

$Solution, y-4x^2+8x-28=0:\quad \mathrm{Parabola\:with\:vertex\:at}\:\left(h,\:k\right)=\left(1,\:24\right),\:\mathrm{and\:focal\:length}\:|p|=\frac{1}{16}$

$Steps:$

$\mathrm{Rewrite}\:y-4x^2+8x-28=0\:\mathrm{in\:the\:standard\:form}$

$\mathrm{Rewrite\:as}, y=4x^2-8x+28$

$\mathrm{Complete\:the\:square}\:4x^2-8x+28:\quad 4\left(x-1\right)^2+24, y=4\left(x-1\right)^2+24$

$\mathrm{Subtract\:}24\mathrm{\:from\:both\:sides}, y-24=4\left(x-1\right)^2$

$\mathrm{Divide\:by\:coefficient\:of\:square\:terms:\:}4, \frac{1}{4}\left(y-24\right)=\left(x-1\right)^2$

$\mathrm{Rewrite\:in\:standard\:form}, 4\cdot \frac{1}{16}\left(y-24\right)=\left(x-1\right)^2$

$\mathrm{Therefore\:parabola\:properties\:are:} \left(h,\:k\right)=\left(1,\:24\right),\:p=\frac{1}{16}$

$\mathrm{Hope\:This\:Helps!!!}$

$\mathrm{-\:austint1414}$

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3 years ago