Is this a test question? You should not be looking for answers to test questions here....
-4 -1 - 7x = -4x-14 gather like terms, add 7x to both sides and add 14 to both sides...that should almost give ya your answer....
Looks like you know HOW to solve it, you just made a small mistake....
See that '1' on the right side of the equation? It needs to be multiplied by (n+1)(n+8) also....then compute....
Let me know if ya need more help....
Obviously , it cannot result in a number > 9 as one of the numbers (M) would then be a FOUR digit number ......
Easily solved would be with a calculator
847+928 = 1775
o/w by hand
1 8417
92 8
1775
Sin (A+B) = SInA CosB + sinB Cos A
and
Cos(A+B) = cos A Cos B - Sin A Sin B
So the first 1/2 would be
sqrt3/2 * sqrt2/2 + sqrt2/2 * 1/2
to this you would add the Cos (A+B) part
sin (60 + 45) + cos (60 + 45) = do you remember angle sum trig identities?
Distance formula between 2 points:
d^2 = (x1-x2)^2 + (y1-y2)^2
100 = (2- -6)^2 + (5 - y2)^2
100 = 64 + (5-y2)^2
36 = (5-y2)^2
6 =+- ( 5- y2)
6 = y2-5 (since we want y2>0)
11 = y2
14.8 = 16 e-k(36) Solve for k = .002165598
8 = 16 e-.002165598 t Solve for t = t1/2 = 320 days
Are your measurements in decimal degrees or Radians?
2 EXPERIMENTAL probability = 6 H's drawn out of 20 draws 6/20 = 3/10
