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o-na [289]
2 years ago
11

Write the equation of the line in point-slope form. ASAP PLS !!!!

Mathematics
1 answer:
Vlad1618 [11]2 years ago
8 0

Answer:

y - 1 = \frac{2}{3}(x - 3)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, - 1) and (x₂, y₂ ) = (3, 1) ← 2 points on the line

m = \frac{1+1}{3-0} = \frac{2}{3}

and using (a, b) = (3, 1 ) , then

y - 1 = \frac{2}{3} (x - 3)

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If you have 18 questions how many do you need to get right to have 50 percent correct
MrRa [10]
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We can find this by multiplying the total number of questions by the percentage we are looking for. 

18*50% = 9
5 0
3 years ago
Two hot air balloons are traveling along the same path away from a town, beginning from different locations at the same time. He
blagie [28]

Answer:

Henry's balloon was farther from the town at the beginning and Henry's balloon traveled more quickly.

Step-by-step explanation:

The distance of Tasha's balloon from the town is represented by the function y = 8x+ 20 ............. (1)

Where y is the distance in miles from the town and x represents the time of fly in hours.

So, at the start of the journey i.e. at x = 0, y = 20 miles {From equation (1)} from the town.

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4 0
2 years ago
Write an equation in
Nastasia [14]

Answer:

y+6=-3/4(x-2)

Step-by-step explanation:

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7 0
2 years ago
We looking for distance
drek231 [11]

Answer:

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Step-by-step explanation:

Figure is attached.

The distance the particle travels is the area under the v-t graph over the time interval from 0 min to 4 min.  The reason you can't just multiply velocity by time is that the velocity is changing at a constant rate over the given time interval (the line is going upward--the particls is speeding up).

What's the area under the graph?

The red outline forms a trapezoid.  The area of a trapezoid is  A=\frac{1}{2}h(b_1+b_2)  where the <em>b</em>'s are the lengths of the two parallel base and  <em>h</em>  is the height (the distance between the bases).

Reading the graph carefully (notice the scales!)...

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Answer:

the sides of the triangle are 4 cm , 8 cm , 20 cm

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