A trajectory can be displayed by the equation y = -0.1(x - 5.5)2 + 4.5, where x represents the distance the ball travelled (in metres), and y represents the height of the ball from the ground (in metres). Assume that the server is standing at the very end of the court. How high (in metres) does the server hold the volleyball above the ground before it is served? Round your answer to the nearest tenth.

Q: (a) The mapping f : R² → R´ given below is a linear transformation. x1 – x2 f X2 – 1 x2 3x1 – x2 +…

A: The solution is :

Q: Plot the point (-3,-2). Is it the same as the point (-2,-3)? Explain.

A: Given point = (-3,-2)

Q: Finbar bought his home for $150,000 in 2010. Property values have increased 10% every year since he…

A: Given, in 2010 Finbar bought his home $150,000 property value increase 10% every year, To find the…

Q: Gavin is drawing a map to show the direction from his house to his grandmother’s house. He uses a…

A: Given scale is: 112inches=12 miles

Q: The equation y = -0.0017x + 52.1926 represents the relationship between the temperature and the…

A:

Q: A recipe calls for 5 grams of sugar for 7 servings. How much sugar will be needed for 25 servings?…

A:

Q: The model y = 1.8x – 76.9 represents the relationship between the temperature (°F) and the number of…

A: The given equation is  y= 1.8x-76.9  We have to find the value of x when y= 95

Q: The amount Troy charges to mow a lawn is proportional to the time it takes him to mow the lawn. Troy…

A: A quantity is said to be proportional to another quantity if the ratio of the two quantities remains…

Q: Ronald can read at a constant rate of p pages per minute. Which equation represents the relationship…

A: Ronal can read at a constant rate of p pages per minute.

Q: Graph the line y= -8.

A:

Q: A recipe says to use 2 teaspoons of vanilla to make 36 muffins. What is the constant of…

A: Given, y: no of muffins made. x: no of teaspoons of vanilla used. the constant of proportionality k…

Q: The equation y = 2.50x determines the total cost, y, of buying x carnival tickets. Use the drop-down…

A: Total cost "y" of buying "x" carnival tickets is given by  y=2.50x ---(1)

Q: Electricity consumption by Roby's stall is 3 kWh per day. When he started his stall meter, the…

A: The slope intercept form is of the form y=mx+c  Where, m is slope and c is the y intercept.

Q: The average annual cinema admission price y (in dollars) from 2010 through 2014 is given by y =…

A: Given  y=0.09x+7.85

Q: Write an equation for the following: y varies directly with x squared. Find K when x=2 and y=3.

A: To find the equation and then find the value of  constant used.

Q: In the equation Y = 6.57 + 2.2 (x1) + 8.7 (x2), what is the y-intercept? a. 17.47 b. 8.7 c. 2.2…

A: From the above data  We are given that  Y = 6.57 + 2.2 (x1) + 8.7 (x2) From the above regression…

Q: Fill in the blanks with integers and no punctuation. Here are two points on a straight line with Y…

A:

Q: a. Simplify the following equation: G=1xe/2x2xe/0.5 x0.5xe/0.75

A: According to question,Given expression,G = 1×ej2π×2×ej0.5×0.5×ej0.75

Q: -y = x2 -13

A: For a function y=f(x), the set of real values of x for which f(x) is defined is called the domain of…

Q: Identify each point as an x-intercept, y-intercept, or neither (0,5) (3,0) (8,-6) a. x-intercept b.…

A:

Q: Suppose you are a radar technician at an airport. You measure a plane going 427 mph at an elevation…

A: Given, Suppose you are a radar technician at an airport. You measure a plane going 427 mph at an…

Q: A snowboarder starts at the top of a mountain that is 2,500 feet above sea level. The snowboarder…

A: option (D) is correct

Q: Translate the statement into an equation. (Use k to represent the constant of variation.) The…

A: We have to form an equation from the given statement.