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3 years ago

Write an equation in point-slope form of the line through point J(4,1) with slope -4. Help

Mathematics

2 answers:

Norma-Jean [14]3 years ago

8 0

Answer:

for example...

Step-by-step explanation:

dame un ejemplo!!

svetoff [14.1K]3 years ago

8 0

Answer:

(y-1)= -4(x-4)

Step-by-step explanation:

point slope form is y - y1= m (x - x1) so just plug in the slope and the (x,y).

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Step-by-step explanation:

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3 years ago

Find the distance between the two points in simplest radical form.

Jlenok [28]

Answer:

$d=\sqrt{58}\approx7.6$

Step-by-step explanation:

To find the distance between any two points, we can use the distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

Our first point, A, is at (1, 1) and our second point, B, is at (-2, 8).

Let's let A(1, 1) be (x₁, y₁) and B(-2, 8) be (x₂, y₂). Substitute this into the distance formula:

$d=\sqrt{(-2-1)^2+(8-1)^2$

Subtract:

$d=\sqrt{(-3)^2+(7)^2$

Square:

$d=\sqrt{9+49}$

Add:

$d=\sqrt{58}$

This cannot be simplified.

So, the distance between the two points is √58 or about 7.6 units.

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3 years ago

The histogram shows the number of payphones that were active by year in a large city. How many payphones would you expect to be

tangare [24]

Answer:

Between 150 and 200

Step-by-step explanation:

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3 years ago

5. Two-thirds a number plus 4 i 7.

eimsori [14]

Answer:

x = 9/2.

Step-by-step explanation:

2/3 x + 4 = 7

2/3 x = 3

Multiply both sides by 3/2:

2/3 * 3/2 x = 3 * 3/2

x = 9/2.

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3 years ago