Change the subtraction to add 2x plus -4x
5=-4x (+2x)-7
5=-2x-7
since the x's are now on one side and we can't do anything with 5, on the other side you change -7 to add to the other side.
5 (+7)= -2x
12= -2x
divide -2 by 12.
-6 = x
The fraction of marbles in the box that is green = ⁷/₍₅₊₇₊₈₎
= ⁷/₂₀
If there are 240 marbles in the box, then the number of green marbles = (240 × ⁷/₂₀) = 84 marbles
∴ 84 of the marbles in the bag are green.
It's angle FGB after I checked it over and over again.
Answer:
(K'(- 1, - 2 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y )
Thus
K(- 1, 2 ) → K'(- 1, - 2 )
Answer:
Step-by-step explanation:
First thing I would do is square the 14, and put it under the radical. Itll make the calculations a little bit easier.
14sqrt(2) = sqrt392
Use the definition of sine to find the value of a
sin(45) = opposite/hypotenuse = a/sqrt392
a = 14
