How do you know if a whole number is a perfect square

Mathematics

1 answer:

kirill [66]2 years ago

4 0

Answer:

you simply think of a number that when multiplied by itself it will give you that whole number

Step-by-step explanation:

let's take for instance the number 4 it's a whole number and still a perfect square because when you think of a number from 1to 10, which number when you multiply by itself will give you four apart from 2

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Cos(x)= 9/7. What does x equal?

boyakko [2]

To solve this problem, you have to simplify your answer.

You may also look online to solve your problem.

After simplifying your question, The answer to your question is:

x=9/7.

I hope this helps. This answer is varified.

7 0

3 years ago

Look at the picture...

UkoKoshka [18]

Answer:

No solution

Step-by-step explanation:

There is no option good for the two graphs.

I think simple vertical stretch or simple vertical compression will occur at the same side of axis, but |x| located at quadrant I and II while -1/2|x| located at quadrant III and IV.

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3 years ago

The length of a rectangle is increasing at a rate of 6 cm/s and its width is increasing at a rate of 5 cm/s. When

atroni [7]

Answer:

The area of the rectangle is increasing at a rate of 84 square centimeters per second.

Step-by-step explanation:

The area for a rectangle is given by the formula:

$A=w\ell$

Where w is the width and l is the length.

We are given that the length of the rectangle is increasing at a rate of 6 cm/s and that the width is increasing at a rate of 5 cm/s. In other words, dl/dt = 6 and dw/dt = 5.

First, differentiate the equation with respect to t, where w and l are both functions of t:

$\displaystyle \frac{dA}{dt}=\frac{d}{dt}\left[w\ell]$