3 years ago

What do i do here I dont know

Mathematics

1 answer:

Mrrafil [7]3 years ago

4 0

159mi/3hr = 53 mi/hr. Hope this helps

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Can someone step by step explain the answer to me please and thank u

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First

angle in front of c is 30°, so hypotenuse is equal to 2c

it's right triangle, so let's use Pythagorean theorem\

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Second

b - the base of the triangle, angles at the base are equal ⇒ cathets are equal

it's right triangle, so let's use Pythagorean theorem

$b^2=7^2+7^2\\b^2=49+49\\b=\sqrt{2\times49} =7\sqrt{2}$

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