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kykrilka [37]
3 years ago
9

What is the slope, y-intercept, and x-intercept of (7,-6) and (10,9)

Mathematics
1 answer:
Nonamiya [84]3 years ago
3 0

Answer:

Slope: 5

X Intercept: (8.2,0)

Y Intercept: (0, -41)

Step-by-step explanation:

Slope:

y2-y1/x2-x1=9-(-6)/10-7=9+6/10-7=15/3=5

y=5x-41 - the slope intercept form

X Intercept:

<em>if y=0</em>

0=5x-41

+41  +41

41=5x

8.2=x

(8.2,0)

Y Intercept:

<em>if x=0</em>

y=-41

(0,-41)

hope this helps

brainliest?

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3 years ago
You have $60. The jacket you want costs $25.50 and 7% tax. what is the top tag price (excludes sales tax) left to also buy a pai
Alexandra [31]

the assumption being, that there's a 7% sales tax on any item in the store.

so if you buy the jacket, you pay 25.5 plust 7% of 25.5.

and if you buy the shoes for price say "s", then you pay "s" plus 7% of "s".

whatever those two amounts are, they must be $60, because that's all you have in your pocket anyway.

\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{7\% of 25.5}}{\left( \cfrac{7}{100} \right)25.5}\implies 0.07(25.5)~\hfill \stackrel{\textit{7\% of "s"}}{\left( \cfrac{7}{100} \right)s}\implies 0.07s \\\\[-0.35em] ~\dotfill

\bf \stackrel{\textit{jacket}}{25.5}+\stackrel{\textit{jacket's tax}}{0.07(25.5)}+\stackrel{\textit{shoes}}{s}+\stackrel{\textit{shoe's tax}}{0.07s}~~=~~\stackrel{\textit{in your pocket}}{60} \\\\\\ 25.5+1.785+s+0.07s=60\implies 27.285+1.07s=60 \\\\\\ 1.07s=60-27.285\implies 1.07s=32.715\implies s=\cfrac{32.715}{1.07}\implies s\approx 30.57

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Hello!

We know that the area of a rectangle is the length multiplied by the width.

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We can simply create an expression to solve for x.

Solve:

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