This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
ScanSolve AI Answer
Here are the solutions to questions 1.3.1 to 1.3.3. 1.3.1 a) Cut out circles of the aerolite to be placed on both ends of the geyser. P b) Apply glue to the circular pieces of the aerolite. Q c) The strips of aerolite are wrapped around the pipes. There is no matching picture (P-U) for this statement, as the pictures show wrapping the geyser, not pipes. d) Roll the aerolite around the lateral surface of the geyser. T e) Use duct tape to secure the aerolite around the lateral surface. U f) Attach the circular pieces of the aerolite to the geyser. R 1.3.2 The geyser is cylindrical. The total surface area of a cylinder is given by the sum of the area of the two circular bases and the lateral surface area. Area of two circular bases = 2 × × radius^2 Lateral surface area = 2 × × radius × height Total surface area = 2 × × radius × height + 2 × × radius^2 Comparing this with the given options: A: × radius^2 × height + 2 × × radius B: × radius × height + length × width C: 2 × × radius × height + 2 × × radius^2 D: (1)/(2) × base × height The correct formula is option C. The letter next to the question number (1.3.2) is C. 1.3.3 Step 1: Identify the conversion factor between meters (m) and millimeters (mm). 1 m = 1000 mm Step 2: Convert the given length from meters to millimeters. Length = 1.2 m × 1000 mm1 m Length = 1.2 × 1000 mm Length = 1200 mm The length of the geyser in mm is 1200 mm. That's 2 down. 3 left today — send the next one.