3 years ago

5 + x / 4 = 1 what is x?

Mathematics

2 answers:

Ratling [72]3 years ago

4 0

X/4= -4
x= -16.......

sleet_krkn [62]3 years ago

4 0

Your answer would be -16

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Solve this for Brainliest! See the attachment [Level - GCSE]

madreJ [45]

Answer:

$x = 3 + 4\sqrt{3}$

Step-by-step explanation:

OPQ is a right angle triangle.

Using Pythagoras

$x^{2} + (x+5)^{2} = (x+8)^{2}\\x^{2} + x^{2} + 10x +25 = x^{2} + 16x + 64\\x^{2} + x^{2} - x^{2} + 10x - 16x + 25 - 64 = 0\\x^{2} - 6x -39 = 0$

Using quadratic formula

$x = \frac{-b \± \sqrt{b^{2}-4ac}}{2a}\\x = \frac{-(-6) \± \sqrt{(-6)^{2}-4(1)(-39)}}{2(1)}\\x = \frac{6}{2} \± \frac{\sqrt{192}}{2}\\x = 3 \± \frac{8\sqrt{3}}{2}\\x = 3 \± 4\sqrt{3}$

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$x = 3 - 4\sqrt{3} = -3.928(4s.f.)$ (Length can't be negative)

∴ $x = 3 + 4\sqrt{3}$

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2 years ago

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A store is going out of business. Everything is

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A. $90
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3 years ago

I need help plz i dont know

ICE Princess25 [194]

Answer:

Hey! Ok so the height is C.10 ft.

Step-by-step explanation:

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Hope you have a great day! I'm Eve btw Hoped this helped and consider marking this brainiest!

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Step-by-step explanation:

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Leya [2.2K]

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Step-by-step explanation:

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