How many revolutions will a bicycle wheel of diameter 25 inches make as the bicycle travels a distance of 3 miles?
What will be an ideal response?
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1.432 to the nearest hundredth
A. 1.44 B. 1.42 C. 1.4 D. 1.43
Find the flux of the curl of field F through the shell S.F = (1 - y)i + (4 + x)j + z5k; S is the upper hemisphere of x2 + y2 + z2 = 9
A. 36? B. -4? C. 2? D. 18?
Find Z if R = 50 ê and X = 120 ê.
a. 130 ê
b. 170 ê
c. 109 ê
d. 73 ê
e. 61 ê
Solve the problem.To find the height of this tree, Sarah marked the tree at eye level, 1.8 meters above the ground. She measured 36 m from the base of the tree and then held a 5-cm ruler vertically in front of her eye until the ruler just obscured the tree above the mark. Using a string tied through a hole in one end of the ruler, Sarah found that the distance from her eye to the ruler was 4.8 centimeters. What was the height of the tree? Round to the nearest unit.
A. 35 m B. 39 m C. 37 m D. 41 m