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Scorpion4ik [409]
3 years ago
12

my hw write find an equation of the line passing through (-2,3) and (4,-5) I have to write the equation in slope-intercept form

I need help
Mathematics
1 answer:
Viefleur [7K]3 years ago
3 0

Answer:

The line passing through the given points is:

y=-\frac{4}{3}x+\frac{1}{3}

in its slope-intercept form

Step-by-step explanation:

Start by finding the slope of the segment that joins the two given points using the slope formula:

slope=\frac{y_2-y_1}{x_2-x_1}

which for our case renders:

slope=\frac{3-(-5)}{-2-4}=\frac{8}{-6} =-\frac{4}{3}

Now we can find the y-intercept by using any one of the given points in the general slope-intercept form of a line with this slope:

y=-\frac{4}{3} x+b\\3=-\frac{4}{3} (-2)+b\\3=\frac{8}{3}+b\\b=3-\frac{8}{3} \\b=\frac{9-8}{3} \\b=\frac{1}{3}

Therefore, the equation of the line becomes:

y=-\frac{4}{3}x+\frac{1}{3}

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valina [46]

Answer:

I think-

1. 11

2. 0.7

3. 67.89

4. 13

Step-by-step explanation:

I'm not 100% sure tho

5 0
3 years ago
Helpppppppppppppppppppppppppppppp
3241004551 [841]
Answer:

first option: Harulo is correct because the angle is coterminal with 3π / 4 and the reference angle is π / 4.

Explanation:

1) 19 π/4 = 4π + 3 π/4, which is 4 complete turns and 3/4 of turn.

2) 3 π/4 is in the third quadrant, so the reference angle is π - 3 π/4 = π/4

3) sin (π/4) = sin (3π/4) = (√2) / 2

4) csc (π/4) =  1 / [ sin (3π/4) ] = 1 / [ (√2) / 2 ] = 2 / (√2) = √2, which shows the validity of the statement and csc(19π/4) = √2.
3 0
3 years ago
At any point in time, there could be bicycles, tricycles, and
Aleksandr-060686 [28]

Answer:

There may be 1 or 3 tricycles in the parking lot.

Step-by-step explanation:

Since at any point in time, there could be bicycles, tricycles, and cars in the school parking lot, and today, there are 53 wheels in total, if there are 15 bicycles, tricycles, and cars in total, to determine how many tricycles could be in the parking lot, the following calculation must be performed:

13 x 4 + 1 x 3 + 1 x 2 = 57

11 x 4 + 1 x 3 + 3 x 2 = 53

10 x 4 + 3 x 3 + 2 x 2 = 53

8 x 4 + 5 x 3 + 2 x 2 = 51

10 x 2 + 1 x 3 + 4 x 4 = 39

9 x 3 + 1 x 2 + 5 x 4 = 49

Therefore, there may be 1 or 3 tricycles in the parking lot.

6 0
3 years ago
I need help solving |5+2j|=9 please
V125BC [204]

5 + 2j = 9 \\ j = 2
5 + 2j =  - 9 \\ j =  - 7
3 0
3 years ago
Helppppppppppppppppppppppppppp
Otrada [13]
The equation is:
y = 10 sin(π/15 t) + 30 
where 30 represents the initial height of the blade above the ground and π/15 represents the period as we are given that the blade completes two rotation every minute.Finally the 10 represents the length of the blades.

Hope this helps :)
7 0
3 years ago
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