D. Subtract 2 from the number of sides and multiply the difference by 180
Answer:
the second one
Step-by-step explanation:
Let x = ounces of $35 perfume
Let y = ounces of $15 perfume.
We want a 3-ounce perfume, therefore
x + y = 3
or
y = 3 - x (1)
We want the 3-ounce perfume to cost $63. Therefore
35x + 15y = 63 (2)
Substitute (1) in (2).
35x + 15(3 - x) = 63
35x + 45 - 15x = 63
20x = 63 - 45 = 18
x = 18/20 = 0.9
From (1), obtain
y = 3 - 0.9 = 2.1
Answer:
0.9 ounces of $35 perfume and 2.1 ounces of $15 perfume.
Answer:
pls I don't get the question
Answer:
11
Step-by-step explanation:
b1 = 8
b2= 3
h = 2
(8+3) = 11
11 x 2 = 22
22 ÷ 2 = 11