3 years ago

Help pls i have 5 minss, no links

Mathematics

2 answers:

KonstantinChe [14]3 years ago

8 0

Answer:

3/25

Step-by-step explanation:

Leviafan [203]3 years ago

5 0

4/33 is the answer to your question.

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Complete the square to factor X^2 +10X=-8

ella [17]

Answer: $x=\sqrt{17}-5$ and $x = -\sqrt{17}-5$

Step-by-step explanation:

Alright, lets get started.

The given equation is :

$x^{2} +10x = -8$

Adding 8 in both sides, it will become

$x^{2} +10x + 8 = -8 +8$

$x^{2} +10x + 8 = 0$

To make it perfect square, we need to add 25 and subtract 25

$x^{2} +10x + 8 +25-25= 0$

$x^2+10x+25+8-25=0$

$(x+5)^2+8-25=0$

$(x+5)^2-17=0$

Adding 17 in both sides

$(x+5)^2=17$

taking square root

$x+5=\sqrt{17}$

So,

$x=\sqrt{17}-5$ and $x = -\sqrt{17}-5$ .. Answer

Hope it will help :)

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Step-by-step explanation:

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Therefore, we have:

$48+x+72=180,\\x+120=180,\\x=\boxed{60^{\circ}}$

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