Answer:
7 1/2
Step-by-step explanation:
By definition of the trig functions,
We have 
, so 
, and 
, so 
.
Just to check: we should have
by the Pythagorean theorem. Indeed,
Answer:
100
Step-by-step explanation:
Answer: 8
Step-by-step explanation:
Let mammals be represented by y
There are three more reptiles than mammals in the habitat. Therefore, Reptiles = y + 3
There are seven fewer amphibians than mammals in the habitat. Therefore, amphibian = y - 7
y + y + 3 + y - 7 = 41
3y - 4 = 41
3y = 41 + 4
3y = 45
y = 45/3
y = 15
Since amphibian = y - 7
= 15 - 7
= 8
There are 8 amphibians
Answer:
seven feet below sea level
Step-by-step explanation:
if you are doing absolute value it would be seven feet above sea level because the lines around the number mean absolute value
