Answer:
B. 0.72
Step-by-step explanation:
In order to find the answer we need to use the following formula:
where:
a, b, c are the length of the sides and 
the angle, so:
In conclusion, 
, so the answer is B.
We need to look at factors of 2, which are only 2 and 1... How do we get them to add to -3? Well, they have to be negative.
-2 + -1 = -3
What about the multiplication? A negative × a negative = a positive, so
-2 × -1 = 2
So your answer is
-2 and -1
Answer:
Step-by-step explanation:
P = 2w + 2l
l = 3 + w
38 = 2w + 2(3 + w)
38 = 2w + 6 + 2w
38 - 6 = 4w
32 = 4w
w = 32 : 4
w = 8 inches
l = 3 + w
l = 3inches + 8inches
l = 11 inches
Answer:
Step-by-step explanation:
Answer:
.
Step-by-step explanation:
