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vampirchik [111]
3 years ago
5

Which is the distance between the point with the coordinates (-2,3) and the line with the equation 6x-y=-3

Mathematics
1 answer:
harina [27]3 years ago
8 0

Answer:

1.97 units

Step-by-step explanation:

The distance from a point (h,k) to a line ax+by+c=0 is given by:

d=\frac{|ah+bk+c|}{\sqrt{a^2+b^2} }

The given line is 6x-y=-3. or 6x-y+3=0.

This implies that: a=6, b=-1 and c=3

The given point is (-2,3)

This implies that: h=-2 and k=3

We substitute into the formula to get:

d=\frac{|6(-2)+-1(3)+3|}{\sqrt{6^2+(-1)^2} }

d=\frac{|-12-3+3|}{\sqrt{36+1} }

d=\frac{12}{\sqrt{37} }

d=1.97

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A retailer at an outdoor market sold 5 dresses at $36.95 each. He sold 2 more at $41.99 each and 3 at $38.95 each. He also sold
Leona [35]

Answer:

c) 333.42

Step-by-step explanation:

1st sentence: 5*36.95= 184.75

2nd: 2*41.99=83.98 & 3*38.95= 116.85

3rd: 52*(1-.40)= 31.2

Money earned: 416.78

Payed to the market: 416.78(1-.2)

Sales: 333.42

5 0
3 years ago
What is the y-coordinate fo the y-intercept of the line that passes through the points (-4,-4) and (4,8)
podryga [215]
If you see the slope intercept form that’s the y coordinate

4 0
3 years ago
Read 2 more answers
Math problem help me
Ratling [72]

Answer:

y=3x+2

Step-by-step explanation:

To find the equation, use the slope-intercept formula:

y=mx+b

m is the slope and b is the y-intercept. Now, it'll really help to draw a line through the points, connecting them. If you look at point (0,2), we can see that this is the y-intercept (where a point sits on the y-axis when x=0). You can insert this into the equation by taking the y value:

(0,2)\\y=mx+2

Now, take any two points to find the slope. To make it easier, I'll use (1,5) and (0,2). Use the slope formula for when you know two points:

\frac{y(2)-y(1)}{x(2)-(x1)} =\frac{rise}{run}

Rise over run is the change in the y-axis over the change in the x-axis. Insert values:

(1(x1),5(y1))\\(0(x2),2(y2))\\\\\frac{2-5}{0-1}

Solve:

\frac{2-5}{0-1}=\frac{-3}{-1}

Since both are negative, the result is a positive:

\frac{-3}{-1}=\frac{3}{1} =3

Insert this into the equation as m, the slope:

y=3x+2

Done.

6 0
3 years ago
Anyone know the answer to this, will mark as brainlist
stepladder [879]

Answer:

15

Step-by-step explanation:

adding 15 black beads gives you 16 black beads and 4 white beads

16/4 =4/1 or 4:1

7 0
3 years ago
Read 2 more answers
Subtract. Use models if needed.<br> (-2x+6)-(13x-16)
qaws [65]
-2x + 6 - 13x + 16
= -15x + 22
4 0
3 years ago
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