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sergij07 [2.7K]
3 years ago
14

Consider lines An and CD

Mathematics
1 answer:
vichka [17]3 years ago
5 0

Answer:

slope of AB = 2

slope CD = 2

Step-by-step explanation:

the equation of a line is y = ax+ b  where a is the slope, b is the y-intercept

let us take  yB - yA

→ yB - yA = axB <u>+ b</u> - axA <u>- b</u>

→ yB - yA = a(xB - xA)

→ a = (yB - yA) / (xB = xA)   =  (6 - 2) / (-5 - (-7)) = 2

same goes for line CD

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Ginger spent $24 at the fair, which was three times the amount she spent last year at the fair. How much money did Ginger spend
zubka84 [21]

Answer:

She spent 8 dollars.

Step-by-step explanation:

24 divided by 3 is 8

5 0
3 years ago
The point P = (-3, y) lies on the unit circle shown below. What is the value of y
alukav5142 [94]

The equation of the circle is given as (x-h)² + (y-k)² = r². Then the value of y will be ± √5/3.

<h3>What is an equation of a circle?</h3>

A circle can be characterized by its center's location and its radius's length.

Let the center of the considered circle be at (h, k) coordinate.

Let the radius of the circle be 'r' units.

Then, the equation of that circle would be:

(x-h)² + (y-k)² = r²

The equation of the circle has the center at the origin and the radius is one unit. Then we have

x² + y² = 1

The point P = (-2/3, y) lies on the unit circle. Then the value of y will be

(-2/3)² + y² = 1

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y² = 5/9

y = ± √5 / 9

Learn more about the equation of a circle here:

brainly.com/question/10165274

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5 0
2 years ago
Whats the length of the line segment EF​
slamgirl [31]

Answer:

The length is 14 units

Step-by-step explanation:

Take the value at point F and subtract the value at point E

F = 19

E = 5

19 -5 =14

The length is 14 units

7 0
2 years ago
Question 19 please........
MrRa [10]
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7 0
4 years ago
Work out the area of the triangle.
sveta [45]

Answer:

120

Step-by-step explanation:

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240/2=120

7 0
2 years ago
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