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3 years ago

Group the like terms separately? 3v^5-10v^2-12v^5+14v^2

Mathematics

1 answer:

zubka84 [21]3 years ago

4 0

So here you just add them as if they were regular numbers. -9v^5+4v^2, hope it helped.

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Find the length of the radius of the circle whose perimeter is xcm and the area is

Jobisdone [24]

$\bf \stackrel{\textit{perimeter}}{\textit{circumference}}\textit{ of a circle}\\\\ C = 2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=x \end{cases}\implies x = 2\pi r\implies \boxed{\cfrac{x}{2\pi }=r} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ A=x \end{cases}\implies x = \pi \left( \boxed{\cfrac{x}{2\pi }} \right)^2\implies x = \pi \cdot \cfrac{x^2}{2^2\pi^2}$

$\bf x = \cfrac{x^2}{4\pi }\implies 4\pi x = x^2\implies \cfrac{4\pi x}{x}=x\implies \blacktriangleright 4\pi = x\blacktriangleleft \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since the radius is}}{r = \cfrac{x}{2\pi }}\implies r =\cfrac{4\pi }{2\pi }\implies \blacktriangleright r = 2\blacktriangleleft$

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4 years ago

Read 2 more answers

I need help with knowing what is the ray? help please

ValentinkaMS [17]

Answer:

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Step-by-step explanation:

its just straight forward

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3 years ago

A savings account earns 5.32% interest in one year. If the account holds $4,978 for the entire year, about how much will it earn

Degger [83]

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Step-by-step explanation:

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4 years ago

The summation symbol, is the Greek capital symbol and it is used like the English S. Why do you think it was chosen to represent

Ann [662]

Answer:

During the early days of mathematical expressions the Greeks needed a shorthand form of representing the summation of several terms hence the choice of ∑ as a sigma Notation.

Step-by-step explanation:

The summation symbol ∑ is the upper case equivalent of capital S in Greek and S represents sum in English.

During the early days of mathematical expressions the Greeks needed a shorthand form of representing the summation of several terms hence the choice of ∑ as a sigma Notation.

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3 years ago

Solve it pleeeease<br>will give you brainliest

andre [41]

Answer:

Step-by-step explanation:

I m sorry if i m wrong.

e no is 100% correct

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3 years ago

Group the like terms separately? 3v^5-10v^2-12v^5+14v^2​

Group the like terms separately? 3v^5-10v^2-12v^5+14v^2