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Nat2105 [25]
2 years ago
15

(Total for

Mathematics
1 answer:
ra1l [238]2 years ago
8 0
Hiya!

x is going to work out to 25.

———————————————

so first put the numbers into the equation you’ve been given.

pressure is 3, force is 1500 so 3=1500/area

then rearrange this equation so that you’re finding area.

area=1500/3

and 1500/3 gives you 500.
so 500 is the area.

area is length multiplied by width, so 20 multiplied by x.
total/width will give length, so 500/20 will give x.
500/20=25

so x is 25.
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Step-by-step explanation:

we know that

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The discriminant is equal to

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D=8^{2}-4(1)(20)=-16 -----> the quadratic equation has two complex solutions

<em>Find out the solutions</em>

substitute the values of a,b and c in the formula

x=\frac{-8(+/-)\sqrt{8^{2}-4(1)(20)}} {2(1)}

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Remember that

i=\sqrt{-1}

x=\frac{-8(+/-)4i} {2}

x_1=\frac{-8(+)4i} {2}=-4+2i

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