2 years ago

Select all the correct answers. Which triples are Pythagorean triples?

Mathematics

1 answer:

Fittoniya [83]2 years ago

3 0

The answer is in the picture below

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A television screen measures 35 cm wide and 26 cm high. What is the diagonal measure of the screen?

SpyIntel [72]

Answer:

43.6 (approximately)

Step-by-step explanation:

Diagonal measures of the screen is,

√(35²+26²)

= √(1901)

= 43.6 (approximately)

Answered by GAUTHMATH

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vfiekz [6]

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Rewrite the function by completing the square. f(x)= x^{2} + x -30f(x)=x 2 +x−30f, left parenthesis, x, right parenthesis, equal

Verizon [17]

Answer:

$f(x)= (x+\frac{1}{2} )^{2}-30\frac{1}{4}$

Step-by-step explanation:

$f(x)= x^{2} + x -30$

To re-write the function by completing the square, the procedure is to first

(i)take the coefficient of x

(ii)Divide it by 2 and Square it

Coefficient of x=1

Divided by 2 = 1/2

Square of 1/2 = $(\frac{1}{2} )^{2}$

Next, we add it to the function and subtract same so that the equation remains balanced

$f(x)= x^{2} + x +(\frac{1}{2} )^{2}-(\frac{1}{2} )^{2}-30$

Pick each of the squared term and square the sum

$f(x)= (x+\frac{1}{2} )^{2}-(\frac{1}{2} )^{2}-30$

$f(x)= (x+\frac{1}{2} )^{2}-30\frac{1}{4}$

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3 years ago