3 years ago

Find the value of x in the triangle shown below.

Mathematics

1 answer:

oee [108]3 years ago

8 0

Answer: x = 5

Step-by-step explanation:

Use Pythagorean's Theorem

$a^2+b^2=c^2\\12^2+x^2=13^2\\144+x^2=169\\x^2=25\\x=5$

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What value of b will cause the system to have an infinite

m_a_m_a [10]

Answer:

$b=6$

Step-by-step explanation:

<u><em>The correct question is</em></u>

What value of b will cause the system to have an infinite number of solutions?

y = 6x – b

–3x + 1/2y = –3

we have

$y=6x-b$ ----->equation A

$-3x+\frac{1}{2}y=-3$ -----> equation B

we know that

If the system has infinite number of solutions then, the equation A must be equal to the equation B

isolate variable y in the equation B

$-3x+\frac{1}{2}y=-3$

Multiply by $2$ both sides

$-6x+y=-6$

$y=6x-6$ -------> new equation B

To find out the value of b, equate equation A and equation B

$6x-b=6x-6$

$b=6$

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3 years ago

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k0ka [10]

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Rudik [331]

N equals to 7.82 (to 2 decimal places)

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4 years ago

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RoseWind [281]

Answer:

(look below)

Step-by-step explanation:

i used to do ixl so heres an appropriate answer:

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