2+ hour, 56+ min ago   (614+ words) Point C is the center of the circle shown below. Points D and F both lie on the circle as shown. The perimeter of triangle CDF is 60 units. What is the area of shaded region? Round your answer to the…...

4+ hour, 43+ min ago   (419+ words) Right rectangular prism A is similar to right rectangular prism B. The surface area of right rectangular prism A is 75 square inches, and the surface area of right rectangular prism B is 4,800 square inches. The volume of right rectangular prism A…...

1+ mon, 1+ week ago   (929+ words) ASTC formula in trigonometry is nothing but 'all sin tan cos' rule in trigonometry." The 'all sin tan cos' rule can be remembered easily using the following phrases. All Sliver Tea Cups All Students Take Calculus ASTC formula has been…...

1+ mon, 1+ week ago   (742+ words) A point on a coordinate plane can be reflected across an axis. The reflection'is located on the opposite side of the axis, at the same distance from'the axis. Once students understand the rules which they have to apply for reflection…...

1+ mon, 1+ week ago   (700+ words) Amy and Jose each bought plants from the same store. Amy spent $188 on 7 cherry trees and 11 rose bushes. Jose spent $236 on 13 cherry trees and 11 rose bushes. Find the coset of each cherry tree and each rose bush. Let x be…...

1+ mon, 2+ week ago   (144+ words) If 5 machines take 5 minutes to make 5 boxes, how long will 1 machine take to make 1 box ? The sum of a, b and c is 14 and 9a + 8b + 6c = 101. What is the value of 2a + b " c ? Which number is larger ? When 32 is added to 80% of…...

2+ mon, 3+ week ago   (1698+ words) When 23 is decreased from 5 times a number. the result is 57. Find the number. If four times of Liam's age 9 years ago be subtracted from thrice of his age 4 years hence, the result would be equal to his present age. Find…...

2+ mon, 3+ week ago   (383+ words) f(t) = 55t " 2t2 The function f is defined by the given equation.The function g is defined by g(t) = f(t) + 3. Which expression represents the maixmum value of g(t)? A) 3 + (55/4)2 B) 3 + 2(55/4)2 C) 3 - 2(55/4)2 D) 3 - (55/4)2 The function g is defined by g(x) =|x|/a " 14, where a < 0. What is the…...

3+ mon, 2+ week ago   (1338+ words) Rajesh sells only hats and scarves at his store, for which he charges $13 and $7, respectively. On Monday, he sold 15 items and made $123. How many hats did Rajesh sell on Monday? Let h be the number of hats and s be…...

4+ mon, 1+ day ago   (463+ words) Two triangles are said to be congruent, if they have the same shape and same size. Following are the triangle congruence postulates and theorems : 1. Side - Side - Side(SSS)Congruence Postulate 2. Side - Angle - Side(SAS)Congruence Postulate 3. Angle - Side - Angle(ASA)…...