There are 5 blue and 20 white marbles in a box of 50 marbles. select all the combination of marbles that add up to exactly 50% of the marbles in the box.
there are 5 blue and 20 white marbles in a box of 50 marbles.

select all the combination of marbles that add up to exactly 50% of the marbles in the box.

answer choices

only blue

only white

white and blue

all other marbles except white and blue

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people

x =±sqrt(1/3)

step-by-step explanation:

x+4/6x=1/x

multiply each side by 6x to get rid of the fractions

6x*(x+4/6x)=1/x*6x

distribute

6x^2 +4 = 6

subtract 4 from each side

6x^2 +4-4 = 6-4

6x^2 =2

divide by 6

6x^2/6 = 2/6

x^2 = 1/3

take the square root of each side

sqrt(x^2) = ±sqrt(1/3)

x =±sqrt(1/3)