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miskamm [114]
3 years ago
9

(6x+y)(6x-7) What is the answer?

Mathematics
1 answer:
lys-0071 [83]3 years ago
6 0

= 6x + 6x - 6x × 7 + 6xy - 7y

36x2 - 42x + 6xy - 7y

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Which is the right answer and why did you pick that answer?
lora16 [44]

Answer:

Linear relationship with negative slope

Step-by-step explanation:

This is a linear a linear relationship because most of the points are plotted in a line

It has a negative slope because it goes downwards from left to right which indicates that it has a negative slope

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Viefleur [7K]
This is a problem of Standard Normal distribution.

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z= \frac{8.5-12}{2.5} =-1.4

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6 0
3 years ago
A train 100 m long crosses a pole in 5 seconds.Find the speed of the train in kilometre per hour.​
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Answer:

\sf72  km/h

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Distance covered by the train in crossing the pole = 100 m.

\sf Time \:  taken=5 \:  seconds

\sf \: Speed  \: of \: the \: train =  \frac{Distance }{Time}

\sf =  \frac{100}{5} \:  m/s

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\sf \: =  20 \times \frac{18}{5}  \: km/h

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How many lines of symmetry does a triangle have?
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It has three lines of symmetry.
5 0
2 years ago
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