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alekssr [168]
3 years ago
15

What is the area of an equilateral triangle with sides of length 20?

Mathematics
1 answer:
Anarel [89]3 years ago
6 0

Answer:

173.2

Step-by-step explanation:

area of equilateral triangle = √3 / 4 l^2

so area =173.2

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a) Read section 1.5 in the Yakir textbook. If you were a teacher and had 30 students in your class and wanted to know the class
OlgaM077 [116]

Answer:

Parameter

Step-by-step explanation:

Required

Parameter of Statistic

From the question, we understand that the teacher is to calculate the class average.

To calculate the class average, the teacher will use the mean function/formula, which is calculated as:

Mean = \frac{\sum x}{n}

Generally, mean is an example of a parameter.

<em>So, we can conclude that the teacher will use parameer</em>

7 0
3 years ago
Officer Brimberry wrote 16 tickets for traffic violations last week, but only 2 tickets this week. What is the percent decrease?
Verdich [7]

Answer:

87.5%

Step-by-step explanation:

It decreased by 16 - 2 or 14, and since he wrote 16 tickets last week, the answer is 14/16 in percent form, or 7/8 = 87.5%.

6 0
3 years ago
The question is show a dilation of a rectangle with a dilation of 8/3
miv72 [106K]

It's always easier to understand a concept by looking at specific examples with pictures, so I suggest looking at the dilation examples below first...before you try to internalize the steps listed below and that explain the general formula for dilating a point with coordinates of (2,4) by a scale factor of <span><span>12</span><span>12</span></span>.

<span><span>1) multiply both coordinates by scale factor<span>(<span><span>2⋅<span>12</span>,4⋅<span>12</span></span><span>2⋅<span>12</span>,4⋅<span>12</span></span></span>)</span></span><span>2)

2. Simplify(1,2)</span><span>3)

3. Graph(if required)<span> </span></span></span>
5 0
3 years ago
Roy drives a sedan that gets mileage of 30 miles per gallon. If fuel consumption is represented by g and mileage by m, which fun
Troyanec [42]

This question is given you the information of the two units mileage in terms of miles per gallon and fuel consumption. G is gallons. Therefore meaning, total distance is equal (=) to mileage times (X) fuel consumption.

The answer is: A) m = f(g) = 30 × g

4 0
3 years ago
When a teacher divided her students into groups of four, she had three students remaining. when she divided them into groups of
AfilCa [17]
39 students....39/4 = 9 remainder 3
                       39/5 = 7 remainder 4

ur answer is 39
5 0
3 years ago
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