...of y. ORAL EXERCISES 101. 1. The velocity of a body falling from rest is given by the formula, 422 t where v is the velocity in feet per second and t is...? 2. The area of a circle is given by the formula Why is A a function of r? Is va constant or a variable ? 3. If a man's monthly salary is $ 125, his...

...area of a circle is one-half the product of the length of the circle and the radius, ie, A = ^cr. 7. The area of a circle is given by the formula A = irr2. 8. The area of a sector is given by the formula A = \a'r. 9. The area of a segment of a circle is given...

...as 1 unit on each axis. Find from the graph ten pairs of numbers whose squares summed equal 100. 8. The area of a circle is given by the formula A = irr2 ; plot the graph of the function A from r = 0 to r = 10 inches ; use 3.14 for IT. 9. The capacity in...

...amount of money I receive for 12 dozen eggs will vary as the price per dozen. State in symbols. 6. The area of a circle is given by the formula A = irr2. The area varies as what? 7. The volume of a rectangular box varies as the product of its three dimensions....

...and engineering practice. PM Ill, Chapt. XIV; IV, pp. 27-36; HS, Chapt. XXXII, and pp. 388-396. (1) The area of a circle is given by the formula, A = irr2, where т is the constant and r varies for different circles. The formula states that the area of a...

...and of the whole garden. The velocity of a body falling from rest varies as the expression V = 32 t, where V is the velocity in feet per second and t is the time in seconds that the body has been falling. The distance traveled by the same body is expressed by the...

...A = 1/2 h(b + b') where h is the height and b and b' are the lengths of the bases of the trapezoid. 2 The area of a circle is given by the formula A =irr where 7T is approximately 3. 14 and r is the radius of the circle. Any two congruent figures have...

...of the upper and lower limits for the values of 6, we find the area to be So we have just found that the area of a circle is given by the formula A = irr2 which, of course, we knew all along. But where do you think this little formula came from in the first...

...1 The formula for the perimeter of a rectangle is P = 2(1 + w). Make / the subject of the formula. 2 The area of a circle is given by the formula A = nr2. Make r the subject of the formula. 3 The cost C of hiring a car and driving m miles is given...

...radius. a Make r the subject of the formula. b Find the radius of a circle with a circumference of 50 cm. 2 The area of a circle is given by the formula A = irr, where r is the radius. a Make r the subject of the formula. b Find the radius of a circle with...