Answer:
18
Step-by-step explanation:
Because angle A and C are equal, it is an isoceles traingle.
This means that side BA is equal to side BC.
Thus, you can set 6x equal to 3x + 9.
Solving that gives you x = 3.
6(3) = 18 3(3) +9 = 18
A. The expression to represent the elevation of city D is 1/2 × 12.
B. Solving the expression, 1/2 × 12 = 6 ft the elevation of city D is positive because the elevation of city D is above sea level.
The elevation of city A is 60 ft above sea level .
The elevation of city C is 12 ft above sea level.
The elevation of city D is 1 /2 of the elevation of city C. Therefore, the elevation of city D above sea level will be
A.
The expression to represent the elevation in feet of city D is as follows:
B.
Let's solve the expression below:
The answer is positive because the elevation of city D is above see level.
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1094
6562/6 = 1093.67 ~ 1094
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