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3 years ago

Which numbers form a Pythagorean triple?

Mathematics

1 answer:

kipiarov [429]3 years ago

8 0

Answer:

A. 9, 12, 15

Step-by-step explanation:

9, 12, 15 is a set of numbers that form pythagorean triple because it satisfies the equation, a² + b² = c².

Where, c is the longest side while a and c are the two other legs of the triangle.

Thus:

9² + 12² = 15²

225 = 225 (this is true).

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3 years ago

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4 years ago

Identify all factors of the expression 12x^2-14x-6

Evgen [1.6K]

Let's solve this by using the quadratic formula:

$\frac{-b+-\sqrt{b^2-4ac} }{2a}$

Note that we only use the coefficients so a=12, b=-14, and c=-6.

Plug values in the quadratic equation:

$\frac{ - ( - 14)± \sqrt{ {( - 14)}^{2} - 4(12)( - 6) } }{2(12)}$

And so by evaluating those values we obtain:

$\frac{14+-\sqrt{484} }{24}=\frac{14+-22}{24} \\\\$

Now we have two answers which are our factors one where we add another where we subtract and so:

First factor:

$\frac{14+22}{24}=\frac{36}{24}=\frac{3}{2}$

Second Factor:

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3 years ago

Please help! Find m<1 A. 147 B. 123 C. 90 D. 57

sergiy2304 [10]

I hope this helps you

1+33+57=180

1+90=180

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3 years ago

Read 2 more answers

2x^2 - 5x +4=0 what is the solution

NeTakaya

Answer

x = 3.13745860… , − 0.63745860 …

Step-by-step explanation:

thats decimal form

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3 years ago