Answer:
Y = k/x for some fixed number constant k
7 = k/9
k = 63
so Y = 63/x
14 = 63/x
14 x = 63
x = 63/14 = 9/2
Step-by-step explanation:
not too hard ;)
Answer:
9.0*10^-3
Step-by-step explanation:
Answer:
i think its d
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
it's a right triangle so we can use the pythagorean theorem to find h
pythagorean theorem: a^2+b^2=c^2
h^2+19^2=21^2
h^2+361=441
h^2=80
h≈ 8.9ft
Answer:
C
Step-by-step explanation:
Sorry if im wrong i tried my best