2 years ago

(DUE TO TODAY)

Mathematics

1 answer:

Snezhnost [94]2 years ago

8 0

Answer:

Step-by-step explanation:

3^2+4^2=5^2

9+16=25 check

a^2+b^2=c^2 represents a Pythagorean triple

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Sail with the equation by completing the square x^2+8x=-3

maxonik [38]

Answer:

The solutions are $x=-4(+/-)\sqrt{13}$

Step-by-step explanation:

we have

$x^{2} +8x=-3$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +8x+16=-3+16$

$x^{2} +8x+16=13$

Rewrite as perfect squares

$(x+4)^{2}=13$

square root both sides

$x+4=(+/-)\sqrt{13}$

$x=-4(+/-)\sqrt{13}$

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a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has how much energy?

erica [24]

Answer:

Step-by-step explanation:

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