Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 30 feet and the height of the arch over the center of the roadway is 13 feet. Two trucks plan to use this road. They are both 10 feet wide. Truck 1 has an overall height of
and Truck 2 has an overall height of
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Both Truck 1 and Truck 2 can pass under the bridge.
B. Truck 2 can pass under the bridge, but Truck 1 cannot.
C. Truck 1 can pass under the bridge, but Truck 2 cannot.
D. Neither Truck 1 nor Truck 2 can pass under the bridge.
Answer: C
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Write the number in scientific notation.58.7
A. 5.87 × 10-1 B. 5.87 × 102 C. 5.87 × 10-2 D. 5.87 × 101
Find the conditional probability.If two cards are drawn at random without replacement from a standard deck, find P(ace on second|ace on first).
A.
B.
C.
D.
Decide if the given number is a solution to the given equation. =
; -
A. Yes B. No
Use a graphing calculator to plot the data and find the quadratic function of best fit.Southern Granite and Marble sells granite and marble by the square yard. One of its granite patterns is price sensitive. If the price is too low, customers perceive that it has less quality. If the price is too high, customers perceive that it is overpriced. The company conducted a pricing test with potential customers. The following data was collected. Use a graphing calculator to plot the data. What is the quadratic function of best fit? Round values to the nearest thousandth.
A. B(x) = -0.0243x2 + 3.115x + 22.126 B. B(x) = -0.243x2 + 3.115x - 22.126 C. B(x) = 0.0243x2 - 3.115x - 22.126 D. B(x) = -0.0243x2 + 3.115x - 22.126