3 years ago

A triangle has sides with lengths of 3 millimeters, 4 millimeters, and 5 millimeters. Is it a right triangle?

Mathematics

1 answer:

Ivan3 years ago

4 0

Answer:

yes

Step-by-step explanation:

it's a rule that 3,4,5 is a right triangle but use pathagorean to prove

3x3 + 4x4 = 5x5

9+16 = 25

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Step-by-step explanation:

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Answer:

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Let f(x) = x2 and g(x) = x + 5. Write an expression that represents each composition:

LekaFEV [45]

Answer:

(a) 21

(b) 81

Step-by-step explanation:

We have given the function $f(x)=x^2\ and g(x)=x+5$

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$g(f(4))$

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3 years ago

What is the angle of elevation of the sun when a 50-ft

lawyer [7]

Answer:

Step-by-step explanation:

$\tan \theta=\frac{50}{18}=\frac{25}{9}\\\theta=tan^{-1} (\frac{25}{9})\approx 70^\circ$

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