Answer:
In Right Δ ABC with right angle B,
∠A=(3 x -8)°, ∠B=90°, ∠C=(x-2)°
∠A+∠B+∠C=180°[∠ sum property of triangle]
3 x-8+90 + x-2=180
Adding and subtracting like terms
4 x-10+90=180
4 x+80=180
4 x=180-80
4 x=100
x=100/4
x=25°
∠A=3×25-8=75-8=67°
Based on the graph shown to the right, whose phones cost varies directly with the amount of time spent talking?
2 answers:
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For this case we have:
Polynomial 1:
Polynomial 2:
Sorting the polynomials:
Polynomial 1:
Polynomial 2:
Adding term to term (similar) we have:
Answer:
First we need to find the heigh of the soda can be rearanging the volume formula, 
. We can make that 
We know that V is 36 and radius is half of the diameter, so radius is 2. 
h = 2.87
Now, we can use the height to figure out the volume of a cone. The volume of a cone is
R is 2 again and h is 2.87
12.56*.96 = 12.0576
So a cone with a volume of 12.0576 is the largest that will fit into the soda can
h = 2.87
Now, we can use the height to figure out the volume of a cone. The volume of a cone is
R is 2 again and h is 2.87
12.56*.96 = 12.0576
So a cone with a volume of 12.0576 is the largest that will fit into the soda can