Answer:
2. 112,500
Step-by-step explanation:
Large triangle: 20
Small triangle: 20/4 = 5
Area = 5 × 150²
= 112,500
6 hours is 3
7 hours is 6
8 hours is 7
And 9 hours is 4
Using it's concept, the mean of data usage is of: 3.275.
<h3>What is the mean?</h3>
The mean of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.
In this problem, the 8 observations are given by:
3.6 1.8 1.5 3.5 3.1 5.4 2.8 4.5
Hence the mean is given by:
M = (3.6 + 1.8 + 1.5 + 3.5 + 3.1 + 5.4 + 2.8 + 4.5)/8 = 3.275.
More can be learned about the mean of a data-set at brainly.com/question/24628525
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80+10x is the expression. To find the cost for 9 guests, simply plug in 9 for x. This becomes an equation reading 80+10(9)=170. The total cost for 9 guests is $170.00.
Answer:
Less than
Step-by-step explanation:
1/3 * 7/15 is less than 1/3 because 1/3 * 7/15 is being multiplied by a number that is less than 1.