Answer:
A i think
Step-by-step explanation:
45 45 90 right triangle BCA
ratio of leg : leg : hypo = y : y: y√2
in this case hypo = 3√2 so leg = y = 3
answer
y = 3
Answer:
I WISH I COULD BUT I'm IN 4TH GRADE
Answer:
$0.80
Step-by-step explanation:
percent times the original number equals the part
(%)(start or total cost)= (part of the total cost). you need to know the total cost, so you would fill in the part and the percent. 0.9x=0.72. you use x because you don't know what the total cost is. then you divide both sides by 0.9 to get x by itself and you get that x = 0.8, meaning that the present costs $0.80.