3 years ago

Plz help question below

Mathematics

2 answers:

lesya692 [45]3 years ago

6 0

I believe it is a. hope this helps!!!!!!!

Olenka [21]3 years ago

3 0

It should be A if I did the math right which I think I did

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Mkey [24]

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Answer:

4mn/(3m+12)

Step-by-step explanation:

It is often helpful to factor expressions so that common factors can cancel.

$\dfrac{8n^2}{m^2-16}\times\dfrac{m^2-4m}{6n}=\dfrac{8mn^2(m-4)}{6n(m-4)(m+4)}=\dfrac{4mn}{3(m+4)}\\\\=\boxed{\dfrac{4mn}{3m+12}}$

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3 years ago

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2 years ago

From the equation y=3.5x identify the constant of proportionality

Ilya [14]

Answer:

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Step-by-step explanation:

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2 years ago

Read 2 more answers

PLEASE HELP ME I BEG

Kay [80]

Answer:

see explanation

Step-by-step explanation:

Using the trigonometric identity

• 1 + cot²x = csc²x

Consider the left side

$csc^{4}$ x - $cot^{4}$ x

Factorise as a difference of squares

= (csc²x - cot²x)(csc²x + cot²x)

= (1 + cot²x - cot²x)(csc²x + cot²x)

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= 2csc²x - 1 = right side ⇒ verified

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