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Rus_ich [418]
2 years ago
11

Watch.

Mathematics
1 answer:
Shtirlitz [24]2 years ago
5 0

Answer:

Step-by-step explanation:

let  CP=x Rs

3 % of x=9

x=9×100÷3=300

CP=300 Rs.

profit=6%

SP=300×106÷100=318 Rs

when profit =9%

SP=300×109÷100=327 Rs

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M is the midpoint of CD. Given the coordinates of one endpoint C(10,-5) and the midpoint M(4, 0), find the coordinates of the ot
mash [69]

Answer:

D(-2, 5).

Step-by-step explanation:

We are given that M is the midpoint of CD and that C = (10, -5) and M = (4, 0).

And we want to determine the coordinates of D.

Recall that the midpoint is given by:

\displaystyle M = \left(\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2}\right)

Let C(10, -5) be (<em>x</em>₁<em>, y</em>₁) and Point D be (<em>x</em>₂<em>, y</em>₂). The midpoint M is (4, 0). Hence:

\displaystyle (4, 0) = \left(\frac{10+x_2}{2} , \frac{-5+y_2}{2}\right)

This yields two equations:

\displaystyle \frac{x_2 + 10}{2} = 4\text{ and } \frac{y_2 - 5}{2} = 0

Solve for each:

\displaystyle \begin{aligned}x_2 + 10 &= 8 \\ x_2 &= -2 \end{aligned}

And:

\displaystyle \begin{aligned} y_2 -5 &= 0 \\ y_2 &= 5\end{aligned}

In conclusion, Point<em> </em>D = (-2, 5).

5 0
2 years ago
I will mark you Brainliest if your response is correct. Also, I'm offering 20 points.
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Answer:

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Step-by-step explanation:

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What are u looking for ?
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Could i get some help 14m+2n-5(m-4n)-6n
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14m+2n-5m+20m-6n

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add like variable

9m + 16n

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