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3 years ago

What is the degree of 4xy^2x

2 answers:

5 0

$\bf 4xy^2x\implies 4x^1y^2x^1\implies \stackrel{\textit{adding the exponents of the variables}}{1+2+1\implies 4}~\hspace{4em}4^{th}~degree$

likoan [24]3 years ago

3 0

The degree is 2x. WhY dO aNsWeRs HaVe To Be 20 ChArAcTeRs LoNg?!

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Step-by-step explanation:

A trapezium is given with ,

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2 years ago

The base of a triangle is shrinking at a rate of 1cm/min and the height if the triangle is increasing at a rate of 5cm/min. Find

lapo4ka [179]

Answer: Rate of change of Area of the triangle = 2.75cm~/min

Step-by-step explanation:

If the present height of the triangle is 22cm and the height increases by 5cm/min. It means the height was 2cm four minutes earlier: 5cm for 1st min + 5cm for 2nd min + 5cm for 3rd min + 5cm for 4th min = 20cm after 4min.

Therefore height equals 22 - 20 = 2cm four minutes earlier.

Using the same four minutes for the base. Since the base shrinks at 1cm/min, for the base to shrink to 10cm it means it was 14cm four minutes earlier.

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A = 1/2 × base × height

Therefore Area= 1/2× 10×22 = 110cm~

Since it took four minutes to get to this area, the rate of change of the area will be 110÷4 = 2.75cm~/min

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