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3 years ago

Please help me due tomorrow

Mathematics

2 answers:

EastWind [94]3 years ago

8 0

Answer:

B. y=6x+9

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(-3-3)/(-2+1)= (-6)/(-1)= 6

m=6

y=mx+b y=6x+b

plug in one of the points for b

-3=6(-2)+b -3=-12+b -3+12= 9

y=6x+9

Ksenya-84 [330]3 years ago

5 0

First you have to find the slope of the line

m = y2-y1/x2-x1

m = -3 - 3/-2 - -1

m = -6/-1

m = 6

then using the y = mx +b

3 = 6(-1) + b

3 = -6 + b

9 = b

y = 6x + 9 B is the answer

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The picture in the attached figure

we know that
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$\boxed{\boxed{\pink{\bf \leadsto It \ will \ take \ 5 hours \ to \ travel \ 300 \ miles. }}}$

<h3>Step-by-step explanation:</h3>

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$\bf\implies If \ it \ covers \ 120 \ miles \ in \ 2 \ hours \\\\\bf\implies Then \ one \ mile \ will \ be \ covered \ in \ \dfrac{120}{2} hrs \\\\\bf\implies Hence \ 300 \ miles \ will \ be \ covered \ in \ \dfrac{2}{120}\times 300 hrs = \red{5 \ hours }$

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