This is the concept of proportionality, given that z is directly proportional to x and inversely proportional to y then:
zαx/y
z=(kx)/y
where;
k is the constant of proportionality given by:
k=zy/x
but when x=3 and =6 then z=9.5
therefore:
k=(9.5*6)/3
k=19
hence the formula for z will be:
z=(19x)/y
the value of z when x=8 and y=12 will be:
z=(19*8)/12
z=12 2/3
Answer:
b. AD II DC
math is annoying, a lot of the stuff they teach we don't use in the real world lol
1800 - 1350= 450 3 months after the purchase he payed $450
450/3= $150 per month
1350 - 1050= 300 5 months AFTER THE PURCHASE he payed $300
300/2= $150 per month
^after 2 more months he payed $300^
$150 per months
Equation: (initial amount) - (150)M
M= amount of months after purchase
B = 1800 - 150M
Answer:
6,528 divided by 8 is 816
6528/8 = 816
6348 divide by 9 is 705.44..... ♾️