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3 years ago

6

1 1/4 + 1 1/2 btw im giving easy problems to get points up

1 answer:

sattari [20]3 years ago

5 0

Answer:

2.75 or 2 3/4

Step-by-step explanation:

1 + 1 = 2

1/4 + 1/2 = 3/4

1/4 = 1/4

make 1/2 into 2/4

add 1/4 to 2/4

3/4

2 + 3/4 = 2 3/4 or 2.75

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PSYCHO15rus [73]

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Step-by-step explanation:

We are given the end points ( -3,-1 ) and ( -8,9 ) of a line and a point P = ( -6,m ) divides this line in a particular ratio.

Let us assume that it cuts the line in k : 1 ratio.

Then, the co-ordinates of P = $( \frac{-8k-3}{k+1},\frac{9k-1}{k+1} )$ .

But, $\frac{-8k-3}{k+1}$ = -6

i.e. -8k-3 = -6k-6

i.e. -2k = -3

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So, the ratio is k : 1 i.e $\frac{3}{2} : 1$ i.e. 3 : 2.

Hence, the ratio in which P divides the line is 3 : 2.

Also, $\frac{9k-1}{k+1}$ = m where $k = \frac{3}{2}$

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