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7/2x-2=28-4x

It is still NOT clear. Look HOW I wrote it? Use Brackets!!!.

its 7 

     _ x  -2  +28-4x

     2    

21 :D

how do i do this on here 3+n/-3 is grater than or equel to 6

n<= -9

As a means of calculation, use of logarithms largely died out around 45 years ago when the first pocket calculators appeared.

Now, their main use comes about because of their relationship with the exponential function.

If  \(y = \exp(x) \equiv e^{x}, \text{ then } \ln(y) = x,\)

where ln(y) is the natural logarithm of y.

They crop up naturally in integral calculus, the indefinite integral of 1/x wrt x is ln(x) + C, where C is a constant.

7 over 2x -2 = 28 -4x

Write it CLEARLY: is it: (7/2x) - 2   or, 7/ (2x - 2)?

thanks 

for what value of x will 3x+4 = x-6 be a true statement 

3x+4 = x-6

3x - x=-6-4

2x=-10 divide both sides by 2

x=-5

I can help u. But how do u want fer me to help u?

like this  6<7     7>6  7=7

thanks

They were discovered to make calculations, especially multiplication and division, much easier. When they were "invented", there were co calculators of any sort. People did ALL their calculations by pen and paper. This was more than 300 years ago.

Nice solution heureka, however I much prefer Sam Lloyds method.

This is a futuristic version of the Sam Lloyd ferries problem that was posted a week or two ago, and Lloyd's method works equally well with this problem.

When the ships first pass each other, their combined distances travelled will be equal to a half of the circumference, call this H, say.

If Intrepid's distance travelled is X, then X + 20 = H.

When they pass for a second time their combined distances travelled will be 3H, and, multiplying the earlier equation by 3,

3H = 3X + 60.

The 3X will be made up of the original X plus another 10.

So, 3X = X + 10,

2X = 10,

X = 5.

Therefore, H = 5 + 20 = 25, meaning that the circumference of the circle is 50 lt yrs.

WHAT KIND OF TRIANGLE IS IT? RIGHT-ANGLED, SCALENE, ISOSCELES......ETC?

Idk

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Idk I just felt like doing that.😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜😀😜

12 over 60 in its lowest terms:

12/60 divide both sides by 12:

1/5 is the LOWEST TERM.

Mine are Luna Lovegood. My favorite quotes are " now I'm going to bed before either of you two think of another brilliant idea to get us killed are worse expelled" and " she really needs to sort out her priorities"

most likley take the 2 numbers add them together and subtract by 180 all triangles equel 180 so drop the negitev and n will equel sead number like this 25 + 5 - 180 = -155 = 155 n =155

whts so funney

most likley take the 2 numbers add them together and subtract by 180 all triangles equel 180 so drop the negitev and n will equel sead number

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Sin^2(A) + Cos^2(A)=1

4/5^2 + Cos^2(A)=1

Cos^2(A)=1 - .64=.36 take the sqrt of both sides,

Cos(A)=.6=3/5