Answer:
When s=2, A=24
Step-by-step explanation:
We are given the formula 
We need to solve and find value of A , when s=2
So, putting value of s in the given formula we can find value of A
The formula given is:
So, by putting s= 2, We get A=24
B. cdb ....angle cdb is adjacent to angle adb because they have a common side (line db)
All the sides of an equilateral triangle are the same, and all three angles are 60 degrees. If we want the height of the triangle, we can draw a vertical line straight down the center. This will bisect the top angle into two 30 degree angles and form a 90 degree corner at the base. The base will be split into two equal pieces. In this case 14 and 14 (half of 28).
To find the height, we can use a couple methods. First is Pythagorean Theorem which states that a^2 + b^2 = c^2. We know c = 28 and a = 14, so we can solve for the height. b = sqrt(28^2 - 14^2) = sqrt(588).. 588 can be factored into 196 and 3. So we can simplify the radical to 14sqrt(3).
The second way to find the height is to use trigonometry. We can use cos(30) = h/28 and solve for h to get h = 28cos30 or 14sqrt(3).
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The next problem is asking the same thing. The altitude is the height. So use either of the methods above to get 2sqrt(3).
Hey there! :D
Think of it this way. The question is saying that the text messages are all equally the same value, or expense. If you were to divide 16 by $3.20, you would find that each text was the same amount to send. That the input (the number of text messages) is directly related in the same pattern to the output (the cost of the text messages).
A. What is the constant of proportionality in this proportional relationship?
A constant of proportionality is what makes x directly relate in proportion to y. We are trying to find the variable that makes y= (?)x
16y= 3.20x
Divide both sides by 16.
y=0.20x or y=0.2x
The constant is the value that goes with the variable. .20 is the constant. '
B. Write an equation to represent this proportional relationship. Make sure to define the variables you use.
We already know that 0.20 is the constant number. In other words, every text message cost $.20.
Text messages= T cost= C
C= T(0.20)
For every text message (T), it is multiplied by 0.20, to make the accurate cost (C).
I hope this helps!
~kaikers
