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2(4-36) divided by -12

2 (-32) / -12  =

-64 / - 12  =    the negatives "cancel"

64 / 12  =

16 / 3

A window 

-7.7=-1.3+y/4    multiply each term by 4

-30.8  = -5.2 + y     add 5.2 to both sides

-25.6  = y

Sorry, I don't understand what you actually want?.

1/cos(x)-cos(x)/sin(x)+1=0   we can simplify this as :

sec(x) - cot(x)  +  1 = 0

Here's the graph [ in degrees] ..........https://www.desmos.com/calculator/qoyb0nuhmr

It looks like this is true at about  [ 25.4  + 360n]°  and at about [ 125.6 + 360n]° ...... where n is some integer

You mean "E" on the calculator? In some cases, it stands as the base of natural logs=2.718281828..

But it can also be used as an "exponent",  such as:10^35.

8+8=16

E=

Solve for x:
2 x^2-12 x+10 = 0

The left hand side factors into a product with three terms:
2 (x-5) (x-1) = 0

Divide both sides by 2:
(x-5) (x-1) = 0

Split into two equations:
x-5 = 0 or x-1 = 0

Add 5 to both sides:
x = 5 or x-1 = 0

Add 1 to both sides:
Answer: | 
| x = 5 or x = 1

A = P ( 1 + r/m ) ^(t*m)      where A = 3500, P = the amount originally invested,  r = .0428  [the interest rate expressed as a decimal ],  m = 2  [compoundings per year], and t is the number of years....so we have

3500 = P  ( 1 + .0428/2)^(9 * 2)

3500 = P (1 + .0214)^(18)     divide both sides by (1 + .0214)^(18) 

P = about 2390.80

The probability is given by :

[ C(3,1) * C(4,1) ] / C(7,2)   =  4/7  = about  57%

Another way to see this is to take the probability of selecting a pink ball first  and a green ball second   =  3/7 * 4/6   and add this product to the probabilty of selecting a green ball first and a pink ball second = 4/7 * 3/6.....

evaluate 64 1/2=129/12=43/4=10 3/4

Simplify the following:
2 (4-36)/(-12)

2 (4-36)/(-12) = (2 (4-36))/(-12):
(2 (4-36))/(-12)

2/(-12) = 2/(2 (-6)) = 1/(-6):
(4-36)/-6

4-36  =  -(36-4):
-(36-4)/(-6)

| 3 | 6
- |  | 4
| 3 | 2:
(-32)/(-6)

The gcd of 32 and -6 is 2, so (-32)/(-6) = (-(2×16))/(2 (-3)) = 2/2×(-16)/(-3) = (-16)/(-3):
(-16)/-3

The sign of (-16)/(-3) is positive, so (-16)/(-3)  =  1×16/3:
Answer: | 
| 16/3

our 3 year investment of 20,000 received 5.2% interested compounded semi annually. what is your total return.

Your total teturn will be=$23,329.97.

If you want the formula used for this, just let us know.

y=-7x-6=-42

what is 4 divided by that eqaul 3

4/x=3 cross multiply

3x=4 divide both sides by 3

x=4/3

a² + b² = c²

Simplify the following:
60-1/5-1/3

Put 60-1/5-1/3 over the common denominator 15. 60-1/5-1/3  =  (15×60)/15-(3)/15-(5)/15:
(15×60)/15-(3)/15-(5)/15

| 6 | 0
× | 1 | 5
3 | 0 | 0
6 | 0 | 0
9 | 0 | 0:
900/15-(3)/15-(5)/15

900/15-(3)/15-(5)/15  =  (900-3-5)/15:
(900-3-5)/15

900-3-5 = 900-(3+5):
900-(3+5)/15

3+5 = 8:
(900-8)/15

|  | 9 |
| 8 | 10 | 10
| 9 | 0 | 0
- |  |  | 8
| 8 | 9 | 2:
Answer: | 
| 892/15

yellow + blue = hmmmmmmmmmmmm!!!good luck with the answer

what princable invested today at 4.28% copmounded semi annually will amount to 3500$ in 9 years

The PV of $3,500 @4.28% comp. semi-annually in 9 years' time is $2,390.80.

P.S. If you want the formula used, just let us know.

First, the (2x - 3) is NOT a factor. By ramaining functions, you mean remaining "factors".

Factor the following:
6 x^3+59 x^2-25 x-150

The possible rational roots of 6 x^3+59 x^2-25 x-150 are x = ±1/6, x = ±5/6, x = ±25/6, x = ±1/3, x = ±2/3, x = ±5/3, x = ±10/3, x = ±25/3, x = ±50/3, x = ±1/2, x = ±3/2, x = ±5/2, x = ±15/2, x = ±25/2, x = ±75/2, x = ±1, x = ±2, x = ±3, x = ±5, x = ±6, x = ±10, x = ±15, x = ±25, x = ±30, x = ±50, x = ±75, x = ±150. Of these, x = 5/3, x = -3/2 and x = -10 are roots. This gives 3 x-5, 2 x+3 and x+10 as all factors:
Answer: | 
| (3x-5) (2x+3) (x+10)

Solve for y:
-7.7 = y/4-1.3

Put each term in y/4-1.3 over the common denominator 4: y/4-1.3  =  y/4-(5.2)/4:
-7.7 = y/4-(5.2)/4

y/4-(5.2)/4 = (y-5.2)/4:
-7.7 = (y-5.2)/4

-7.7 = (y-5.2)/4 is equivalent to (y-5.2)/4 = -7.7:
(y-5.2)/4 = -7.7

Multiply both sides of (y-5.2)/4 = -7.7 by 4:
(4 (y-5.2))/4 = -7.7×4

(4 (y-5.2))/4 = 4/4×(y-5.2) = y-5.2:
y-5.2 = -7.7×4

4 (-7.7)  =  -30.8:
Answer: | 
| y-5.2 = -30.8          y=-128/5

sqrt(441)   = 21

If the "67"  repeats, the fraction is 67 / 99

If only the 7 repeats, the answer  is   61 / 90

Namodesto.......are you sure you have the original function correct????.......I tried integrating your answer in several ways and I don't get anything like your original expression......(???)