Help pls !!!!!!!brainliest goes to first right answer
1 answer:
Hi there!
To solve, we can divide the figure into a rectangle and triangle:
The rectangle has dimensions 20in and 30in. The formula A = l × w will be used to find the area.
The triangle has dimensions 40 (10 + 20 + 10) in and 30 in. The formula A = 1/2(b· h) can be used to find the area.
Find the area of each shape:
A = 20 × 30 = 600in²
A = 1/2(40 × 30) = 600in²
Find the sum of both to find the area of the total figure:
600 + 600 = 1200in²
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Using the mean concept, it is found that:
Relative to Sabrina's goal, her average swim time over the last five weeks is 0.1 hours.
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The mean of a data-set is given by the <u>sum of all observations divided by the number of observations</u>.
In this problem:
- The data-set is her swim time relative to her goal, which is: {1.25, -1, 2.25, 0, -2.}
- 5 observations.
Thus, the mean is:
Relative to Sabrina's goal, her average swim time over the last five weeks is 0.1 hours.
A similar problem is given at brainly.com/question/24787716