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I think I know what is happening.

\(\frac{5\sqrt{5}}{5\sqrt{5}} = 1\)

BUT

\(5 \times \frac{\sqrt{5}}{5} \times \sqrt{5} = 5\)

If you do not put parenthesees around the denominator, the calculator only thinks that the number immediately after the "/ "  goes in the denominator.

You need to enter it into the calculator like this:

[5sqrt(5)]/[5sqrt(5)]

Divide 128 by 4 and see what you get......

how do i input it?

s o r r y

sec(A) = -1.0635    take the sec inverse

asec (-1.0635) = A  ≈ 160.1°

However.....the larger angle  =  360 - 160.1  ≈ 199.9°

Only if the opposite side never touch if they went for ever.

I drew the diagram but it is kind of onfusing on how you labeled the angles. Can you provide a diagram?

Which is what does not have no sense, nor does my operation make sense I understand that the logical result is 1 or is incorrect? If you enter it in the calculator of the page the result is 5 and if you enter it to any calculator the result is 5 I do not understand the because I hope you can help me to understand this grace

f(a) = g(a)

So

a + 2 = 2(a) - 1

Add 1 to both sides.

a + 3 = 2a

Subtract a from both sides.

3 = a

I understand what your saying but the problem you need help with just doesnt make sence.....

\(\sqrt{-1} = i\)

64.3   with the "3" repeating  =  64 + 1/3

Can you take it from there???

p/6 = 9

The question is, "What number, when divided by 6, equals 9?"

To find out, multiply both sides of the equation by 6.

(p/6)*6 = 9*6

p = 54

So 54/6 = 9, which it does.

t h anks 

 N   O    :)

An even function has the property that  f(x)   = f(-x)

So.....if x  = 6, then -x  = -6    and we have

f(6)  = 8    and   f(-6)  = 8

So   f(x)  = f(-x)

sqrt(144)  = 12     which is an integer.....and an integer is always rational

The arc length of what???

1. If f(x) = |x| + 9 and g(x) = –6, which describes the value of (f + g)(x)?

(f + g) (x)   = f(x) + g(x)   =  [xl + 9  - 6   =   lxl + 3

2. If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (c*d)(x)?

(c*d)(x)  =  c(x)*d(x)   =   [ 4x - 2] * [x^2 + 5x ] =  4x^3 + 20x^2 - 2x^2 - 10x  =

4x^3 + 18x^2 - 10x

6[51-(7-3)2]  =

6 [ 51 - (4)*2 ]  =

6 [ 51 - 8 ]  =

6 [ 43]  =

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