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QveST [7]
3 years ago
5

Demonstrate, using your own unique example, how to divide a segment by a given ratio. Be sure to provide coordinates and a ratio

that does not have a numerator or denominator of 1.
Mathematics
1 answer:
ser-zykov [4K]3 years ago
6 0
Suppose we have two points, A= (1,2) and B=(2,5)
We need to divide the line segment AB obtained by joining these 2 points, in a ratio 2:3,
Then, to find the coordinates of the point (x,y) which will divide the line segment AB (x1,y1) and (x2,y2) we will use the formula,

x=(mx1 + nx2)/(m+n)
y=(my1 + ny2)/(m+n)
Where m:n is the ratio in which it divides

Thus, coordinates will be x= (2*1 + 3*2)/(2+3)
Or x = 8/5

And y = (2*2 + 5*3)/(2+3) = 19/5

Thus the coordinates of the point are (8/5, 19/5) which divide the line in 2:3 formed by coordinates (1,2) and (2,5)
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Find the value of x such that the data set has a mean of 113113.101101​,
shusha [124]
To find the mean....add all the values and divide by the amount of values.....since the mean is given do the opposite...multiply the mean by the amount of values and then minus each value to find x....

113113.101101 * 5 then minus 122122+107107+112112+107107 from it

6 0
3 years ago
How many solutions are there to the equation below?
romanna [79]

Its Infinitely many solutions then the answer is A

5 0
4 years ago
Find the linear approximation at x=0 to 1/√(3−x). Write your answer in the form y=Ax+B.
larisa86 [58]
<span>1/root(5-x) = 1/(root5 * root 1- x/5)
1/root5 * (1-x/5)^-1/2

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4 0
3 years ago
Need help finding the equation of the line in slope intercept form
Scilla [17]

Answer:

Step-by-step explanation:

Equation: y=mx+b

m is the gradient while b is the y-intercept

Let's first find the slope (also known as the gradient) by choosing two points.  

The formula to find the slope is change in y divided by change in x.  

So two points are: (-2,0) and (0,5)

Change in y: 5-0 (we use the y-coordinates)

Change in x: 0--2 (0+2) (we use the x-coordinates)

So: 5-0= 5 and 0+2= 2 which means 5 divided by 2

Slope= 5 over two

To find the y-intercept we need to see where the line crosses the y-axis which would be at (0,5)

So: y-intercept is  5 as that's where the line crosses the y-axis.

Equation now: y= 5 over 2x +5

5 0
3 years ago
PLEASE HELP
borishaifa [10]
The answer is equal to.

In the function y = 2x + 1, the y intercept is the +1.

In the graph, the y intercept is also +1.

1 = 1, therefore they are equal. 
4 0
3 years ago
Read 2 more answers
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