3 years ago

Help please !!!!!!!!!!!!!

Mathematics

2 answers:

oksano4ka [1.4K]3 years ago

4 0

slope 5.000

Intercept of x = -0.60000

Intercept of y= 3.0000

zvonat [6]3 years ago

3 0

It’s a perpendicular is two lines that intersect creating a cross

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expeople1 [14]

Sorry for the delay!

Let x = charge before tax in 1st city, and y = charge before tax in 2nd city

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$\begin{bmatrix}y=1500+x\\ 0.04x+0.035y=408.75\end{bmatrix}\\\\\mathrm{Substitute\:}y=1500+x\\\\begin{bmatrix}0.04x+0.035\left(1500+x\right)=408.75\end{bmatrix}\\\begin{bmatrix}0.075x+52.5=408.75\end{bmatrix}\\\\\ x = 4750\\\mathrm{For\:}y=1500+x\\\mathrm{Substitute\:}x=4750:\\\\y=1500+4750 = 6250$