Write a sentence that expresses the relationship in the formula, using the language of variation or proportion.C = 2?r, where C is the circumference of a circle of radius r
What will be an ideal response?
The circumference of a circle varies directly as the radius.
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In a certain city there is a river running through the middle of the city. There are four islands and eleven bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents the North Bank is
A. 3. B. 4. C. 1. D. 2. E. none of these
Solve.One end guy wire is attached to the top of a 25-foot pole and the other end is anchored into the ground 22 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth foot.
22 feet
A. 47.4 feet B. 33.3 feet C. 47 feet D. 33.7 feet
Answer the question about percent. Round your answer to the nearest tenth of a percent, if necessary.What percent of 2291 is 21?
A. 10,909.5% B. 9.2% C. 0.9% D. 19.2%
Determine whether the ordered pair is a solution of the given linear equation.x = 
y; (4, 16)
A. no B. yes