2 years ago

- 4e - 9=19 What’s the answer

Mathematics

2 answers:

monitta2 years ago

5 0

$no \: solution$

agasfer [191]2 years ago

3 0

Answer:

e=-7

Step-by-step explanation:

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wel

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2 years ago

Please help, I have been struggling w this one for a while:(

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2 years ago

Is v = 12 a solution to the inequality below?<br> V> 7

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2 years ago

Do the three points lie on one line?

padilas [110]

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Yes. No graph paper.

Step-by-step explanation:

Let's say the 3 points are A, B, C.

If A, B and C lie on one line then $m_{AB} = m_{BC} = m_{AC}$

$m_{AB} = \frac{y_{B}-y_{A} }{x_{B}-x_{A}} = \frac{2-6}{3-5} = \frac{-4}{-2} = 2\\m_{BC} = \frac{y_{C}-y_{B} }{x_{C}-x_{B}} = \frac{8-2}{6-3} = \frac{6}{3} = 2\\\\m_{AC} = \frac{y_{C}-y_{A} }{x_{C}-x_{A}} = \frac{8-6}{6-5} = \frac{2}{1} = 2\\\\$

Hence, they lie on one line.

You don't need to use a graph paper to prove it.

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