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eimsori [14]
2 years ago
11

Line segment AB has endpoints A(6, 1) and B(3, 8). Find the coordinates of the point that divides the line segment directed from

A to B in the ratio of 2:3.
A) 2 5 , 22 5
B) 34 5 , 9 5
C) 19 5 , 24 5
D) 24 5 , 19 5
Mathematics
2 answers:
erik [133]2 years ago
6 0
The answer is D, i know i just took this
Pavel [41]2 years ago
4 0
Ratio = 2:3 = 2/5

Distance between the x coordinates: 3
Distance between the y coordinates: 7

x: 3 * 2/5 = 1.2
y: 7 * 2/5 = 2.8

x coordinate of point: 6 - 1.2 = 4.8
y coordinate of point: 1 + 2.8 = 3.8

So the point that divides the segment AB in the ratio of 2:3 is (4.8 , 3.8) or (24/5 , 19/5)

Hope this helps :)
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liq [111]

Answer:

C

Step-by-step explanation:

Since y will have same value, y doesn't really matter. Thus,

We can solve for y in the 2nd equation as:

-3x - y = 4

-3x - 4 = y

Now we can plug it into the first and solve for x:

-9x + 4y = 8

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-9x - 12x - 16 = 8

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x = 24/-21

x = -8/7

Correct answer is C.

4 0
3 years ago
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Which shows the correct substitution of the values a, b, and c from the equation 1 = –2x + 3x2 + 1 into the quadratic formula?
Alchen [17]
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6 0
3 years ago
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Please find the perpendicular line slope equation please! Thanks!
lana66690 [7]

We need to convert this equation to slope-intercept form first.

We can do that by solving for y.

x - 5y = 15

<em><u>Add 5y to both sides.</u></em>

x = 5y + 15

<em><u>Subtract 15 from both sides.</u></em>

x - 15 = 5y

<em><u>Divide both sides by 5.</u></em>

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We now know the slope is 1/5.

The slope of the line perpendicular to the line with a slope of 1/5 is -5.

The slope of a perpendicular line is the negative reciprocal of the original slope.

Using a graphing calculator, we know the y-intercept of the line that is perpendicular to the original line must have a y-intercept of -6 to run through the points (-2, 5).

The equation of the new line is y = -5x - 6.


5 0
2 years ago
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Igoryamba

5X^4 + 2X^2 – 8

 

Its quadratic form is 5(x²)² +2x² -8

<span>Let be X²=p, so the final expression is 5p²+2p-8</span>

4 0
2 years ago
The lengths of two sides of a triangle are 4 cm 4 cm and 20 cm . 20 cm. Identify the correct pair of measures between which the
Gennadij [26K]

Answer:

I think what you meant to say is "If a triangle has 2 sides that are 4 cm and 20 cm, what are the possible lengths of the third side?"

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difference = 16 cm

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So, the third side must be greater than 16 cm and less than 24 cm

Step-by-step explanation:

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