Jayden uses the net below to design a box how much cardboard will jayden need to make the box
1 answer:
The drawing with the net to design the box is in the picture attached.
Answer:
- <u>128 ft²</u>
Explanation:
The net consists of six parallelograms, each representing one face of the box.
- Four faces are rectangular shaped, with dimensions 6 ft × 4 ft.
- The other two faces are square shaped, with dimensions 4 ft side length.
The amount of cardboard Jayden need to make the box can be estimated as the area represented by the net.
The calculations are:
- Rectangular faces: length × height = 6 ft × 4 ft = 24 ft²
- Square faces: side length² = (4 ft)² = 16 ft²
- Four rectangles and two squares: 4 × 24 ft² + 2 × 16 ft² = 96 ft² + 32 ft² = 128 ft².
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Answer:
d. The average is equal to 12 ounces.
Step-by-step explanation:
In this problem, the drink filling machine must be perfectly calibrated at 12 ounces since it needs to be shut down in cases of overfilling (mean > 12 ounces) and underfilling (mean < 12 ounces). Therefore, the correct approach would be to test if the mean is 12 ounces and the correct set of hypothesis would be:
The correct alternative is d. The average is equal to 12 ounces.