Answer:
cscA = 
Step-by-step explanation:
Using the identity
csc x = 
, then
sinA = 
= 
= 
= 
, thus
cscA = 
=
A) How high up the wall does it reach?
Use the Pythagorean theorem
Height^2 + Base^2 = Hyp^2
H^2+ 2^2 = 4^2 Subtract the 2^2 from both sides
H^2 = 4^2 -2^2 Multiply the square roots of both the numbers
H^2= 16 - 4
H^2 = 12
H= sqrt(12) m
Hope this helps
Answer:
x = - 
Step-by-step explanation:
Radical roots occur in pairs, that is
x = is a root then so is x = -
Answer:
y=4
x=-3
Step-by-step explanation:
4(-3)-9y=-48
-12-9y=-48
-9y=-36
y=4
x=-3
im not sure how to explain it, but i know its b
