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3 years ago

What is the distance between the points (-4,0) and (-7, -14) ?

Mathematics

1 answer:

vlada-n [284]3 years ago

7 0

Answer:

Step-by-step explanation:

(-4,0) ; (-7, -14)

$d=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\\\\ =\sqrt{(-7-[-4])^{2}+(-14-0)^{2}}\\\\ =\sqrt{(-7+4)^{2}+(-14)^{2}}\\\\=\sqrt{(-3)^{2}+(-14)^{2}}\\\\=\sqrt{9+196} \\\\=\sqrt{205} \\\\=14.3178$

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3 years ago

A tree is 4 m 25 cm high! A pole is 70 cm shorter. How high is the pole?

ivanzaharov [21]

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Answer: $\textsf{3955cm}$

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Given: $\textsf{Tree = 4m and 25cm, Pole = 70cm shorter}$

Find: $\textsf{The height of the pole}$

Solution: The first step that we must take is to convert the tree height to centimeters and after doing so we would just subtract 70 cm from that to get the pole height.

Convert to cm