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atroni [7]
2 years ago
5

Can you please help me with this question I would really appreciate it ​

Mathematics
2 answers:
Rom4ik [11]2 years ago
5 0

15n+21

We dont know how much square peter buys and per square cost 15$. So thats mean peter buys 15n$

And the total delivery charge 21$

Its cost 15n+21

blondinia [14]2 years ago
4 0

Answer:

15n+21

Step-by-step explanation:

The carpet costs $15 for every n square metres so we need to multiply $15 by n so

$15*n = $15n

We have to add another $21 for delivery charge so

($15n)+21 = $(15n+21)

So the final answer is $(15n+21) and it is the third option.

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The answer is (7, -26) for The second endpoint.  

We'll call the midpoint M. In order to find this, we must first note that to find a midpoint we need to take the average of the endpoints. To do this we add them together and then divide by 2. So, using that, we can write a formula and solve for each part of the k coordinates. We'll start with just x values.

(Ux + Vx)/2 = Mx

(Vx + 3)/2 = 5

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And now we do the same thing for y values

(Uy + Vy)/2 = My

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