linear scale factor (LSF) =8/10 =0.8
Area scale factor(ASF)=LSF *LSF = 0.8*0.8= 0.64
Area of smaller can = 480*ASF
=480*0.64 = 307.2 cm2
joseph kieti answered the question on April 18, 2018 at 11:49
- Solve: (a) (2*)3 = 21 2 (b) (43 ) x = 64(Solved)
Solve: (a) (2*)3 = 21 2 (b) (43 ) x = 64
Date posted: April 13, 2018. Answers (1)
- Evaluate: (a) 26 x 24 (b) 31 0 + 34 (c) (52 ) 3(Solved)
Evaluate: (a) 26 x 24 (b) 31 0 + 34 (c) (52 ) 3
Date posted: April 13, 2018. Answers (1)
- Use tables to find the cube of each of the following: (a) 1.8 (b) 2.12 (c) 3.254 (d) 0.76(Solved)
Use tables to find the cube of each of the following:
(a) 1.8 (b) 2.12 (c) 3.254 (d) 0.76
Date posted: April 13, 2018. Answers (1)
- Find the cube of 1.4.(Solved)
Find the cube of 1.4.
Date posted: April 13, 2018. Answers (1)
- What is the cube of 5?(Solved)
What is the cube of 5?
Date posted: April 13, 2018. Answers (1)
- Evaluate
Sin60 cos30 ÷ tan30 sin45(Solved)
Evaluate
Sin60 cos30 ÷ tan30 sin45
Date posted: April 11, 2018. Answers (1)
- The sum of two numbers x and y is 40. Write down an expression in terms of x for the sum of the squares of the two numbers(Solved)
The sum of two numbers x and y is 40. Write down an expression in terms of x for the sum of the squares of the two numbers.
Date posted: April 11, 2018. Answers (1)
- The volumes of 2 similar solid cones are 1080 cubic centimeters and 1715 cubic centimeters. If the curved surface area of the smaller cone...(Solved)
The volumes of 2 similar solid cones are 1080 cubic centimeters and 1715 cubic centimeters. If the curved surface area of the smaller cone is 840 square centimeters, find the curved surface area of the larger cone.
Date posted: April 9, 2018. Answers (1)
- A square room is covered by a number of whole rectangular slabs of side 60 by 42 cm. Calculate the least possible area(Solved)
A square room is covered by a number of whole rectangular slabs of side 60 by 42 cm. Calculate the least possible area.
Date posted: April 3, 2018. Answers (1)
- Find the value of 3 + 2 • (8 – 3)(Solved)
3 + 2 • (8 – 3)
Solved as given in the answer section
Date posted: April 1, 2018. Answers (1)
- Solve for x in : 2x – y = (3/4)x + 6.
(Solved)
2x – y = (3/4)x + 6
Solved as given in the answer section
Date posted: April 1, 2018. Answers (1)
-
Multiply: (x – 4)(x + 5)
(Solved)
Open the brackets as you proceed as follows
Date posted: April 1, 2018. Answers (1)
- Combine these terms: 12a + 26b -4b – 16a(Solved)
Linking the like terms
Date posted: April 1, 2018. Answers (1)
- Which digit is greater than 4?
(a) 5,
(b) -5,
(c) -100
(d) -25.(Solved)
Simple maths, negative numbers and normal numbers
Date posted: April 1, 2018. Answers (1)
- What are the theoretical consequences of multicollinearity?(Solved)
What are the theoretical consequences of multicollinearity?
Date posted: March 26, 2018. Answers (1)
- The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x-20)°. Find the number of sides of the...(Solved)
The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x-20)°. Find the number of sides of the polygon
Date posted: March 17, 2018. Answers (1)
- Find the value of x in the following equation:
64^x+1 + 8^2x = 1040
(Solved)
Solving for x using the rules of indices
Date posted: March 16, 2018. Answers (1)
- A quantity P is partly constant and partly varies as the square of Q. When Q=2,P=40 and when Q=3, P=65. Determine the value of P...(Solved)
A quantity P is partly constant and partly varies as the square of Q. When Q=2,P=40 and when Q=3, P=65. Determine the value of P when Q=4.
Date posted: March 4, 2018. Answers (1)
- The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years will be:(Solved)
The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years will be:
Date posted: March 1, 2018. Answers (1)
- A piece of wire 40cm long is bent to form a right-angle whole hypotenuse is 17cm long.Find the length of each of the other two sides.(Solved)
A piece of wire 40 cm long is bent to form a right-angle whole hypotenuse is 17 cm long.Find the length of each of the other two sides.
Date posted: February 19, 2018. Answers (1)