3 years ago

Write the slope-intercept form of the equation of each line given the slope and y-intercept.

Mathematics

1 answer:

Sergio039 [100]3 years ago

4 0

Slope intercept form: y=mx+b

y=5x-5

y=-3/4x-1

I’m pretty sure…

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A ship goes at the rate of (3m-2) knots per hour. How far can it travel in (4m+9) hours?

Ber [7]

Answer: $12m^2+19m-18$

Step-by-step explanation:

Given

Speed of boat $v=3m-2\ \text{knots per hour}$

$\text{time t= }4m+9\ \text{hours}$

$\Rightarrow \text{Distance =speed}\times \text{time}$

$\Rightarrow \text{Distance d=}(3m-2)\cdot (4m+9)\\\Rightarrow d=12m^2+19m-18$

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Step-by-step explanation:

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katrin [286]

Answer:

2/4 of his money was spent on dinner

Step-by-step explanation:

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gregori [183]

Answer:

Third one.

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Given y < 4x – 6, explain how to graph this and decide whether or not (– 1, 5) is a solution to this inequality

svp [43]

the point (-1,5 ) is NOT a solution to the inequality.

There are three steps in graphing an inequality:

Rearrange the equation so "y" is on the left and everything else on the right.

Plot the "y=" line (make it a solid line for y≤ or y≥, and a dashed line for y< or y>)

Shade above the line for a "greater than" (y> or y≥)

or below the line for a "less than" (y< or y≤).

Now to solve this, graph the line y=4x-6

Lets use the point (0,0)

0<-6, is NOT true

So we shade everything to the left of the line y=4x-6

Hope that helped.

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3 years ago