Answer:
14/33
Step-by-step explanation:
The total amount of beads is 8+4 = 12. 8 of these are black beads, so that is what we want, so 8/12 or 2/3. For the second one, one black bead is already taken so 8-1 = 7 are left and for the total 12 - 1 = 11 are left, so 7/11. Multiply this by 2/3 and we get 14/33.
Answer: x^9+3x^8+7x^7
Step-by-step explanation:
the ^ mean the exponent
Answer:
He has one.
Step-by-step explanation:
He has five, and gives sarah four. That means that you take all but one away from 5. 5-4=1.
Answer:
210°
Step-by-step explanation:
Given
sinΘ = - 
Note taken the inverse sine of the positive value of the ratio, gives the related acute angle, that is
Θ = 
( ) = 30° ← related acute angle
Thus the required angle in the third quadrant is
Θ = 180° + 30° = 210°
The last one is correct n>9 and n<7 there should be a line underneath the (<,>) to make it less than or equal to
