3 years ago

M = -7 and it passes through the point (0,4)

Mathematics

2 answers:

Alla [95]3 years ago

7 0

Answer:

Y = -7x + 4

Step-by-step explanation:

Zigmanuir [339]3 years ago

6 0

Answer:

y=(-7)x+4

Step-by-step explanation:

y=m(x)+b

we know m so it is

y=(-7)x+b

the y intercept is 4 since the y intercept is when x=0

and we have our answer

y=(-7)x+4

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If a person rows to this favorite fishing spot 17 miles downstream in the same amount of the time he rows 1 mile upstream and if

makvit [3.9K]

We use the formula : Displacement = Average Velocity * Time ;
17 = ( v + 8 ) * t ;
1 = ( v - 8 ) * t ;
where v = the velocity of the boat; t is the time from expression " ... in the same amount of the time he rows ....."

Then 17 / 1 = (v + 8) / ( v - 8 ) ;
v + 8 = 17( v - 8 );
v + 8 = 17v - 136 ;
144 = 16v ;
v = 144 / 16;
v = 9 mph ;

18 = 9 * x ;
x = 18 / 9 ;
x = 2 hours ;

The answer is 2 hours ;

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3 years ago

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TiliK225 [7]

Answer:

Step-by-step explanation:

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