3 years ago

Can anyone help me with this one ?

Mathematics

1 answer:

mrs_skeptik [129]3 years ago

7 0

(x+5)/(4x-1) = 24/60 (because of the similarity)

60x+300 = 96x-24

36x=324

x=9

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Answer:

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Step-by-step explanation:

Solving (a):

Given

$(x + y) - (x - y)$

Required

Simplify

$(x + y) - (x - y)$

Open brackets

$(x + y) - (x - y) = x + y - x + y$

Collect Like Terms

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Solving (b):

Given

$3y + 5y^3$ and $8y^4$

Required

Which expression shows they are not the same

The expression that shows this is:

$3y + 5y^3 \ne 8y^4$

Take for instance; y=2

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Assuming you are solving for x...

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