if y is directly proportional to x, and y = 10 when x = 2.5 determine the value of : the constant of proportion, x when y = 20 and y when x = 1.25

1/4 and 8/3 because:

the reciprocal if 4 is 1/4 because 4 is used as 4/1 and the opposite of that is 1/4. the opposite of 3/8 is 8/3 so that is the answer.

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )