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3 years ago

What is the difference from the point (-6,2) to the point (2,17)?

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

7 0

Answer: Distance is 17

Step-by-step explanation:

$d = √((x2-x1)2 + (y2-y1)2)$

$(x2-x1) = (2 -6) = 8$

$(y2-y1) = (17 - 2) = 15$

Add them all together

$(8)2 + (15)2 = 64 + 225 = 289$

Square 289

$\sqrt{289} =17$

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3 years ago

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Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

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$(AC)^{2}=369-360(-0.275637355817)$

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Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

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3 years ago

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Answer: All of thé above

Step-by-step explanation:

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