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melomori [17]
2 years ago
6

. what is the area of the pentagon shown below?

Mathematics
2 answers:
Ronch [10]2 years ago
3 0

Answer:

About 80.5 feet.

Step-by-step explanation:

masha68 [24]2 years ago
3 0

Answer:

First find the area of the trapezoid.

A = a + b ÷ 2 * h

45 ft^2

Find the area of the triangle.

A = h * b ÷ 2

13.5 ft^2

Now add both to find your answer.

58.5 ft^2

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Jane is trying to estimate the average electric bill amount of people who live in Las Cruces in summer time. She randomly select
Lina20 [59]

Answer:

The estimated average electric cost amount of all residents in Las Cruces = 182.9

Step-by-step explanation:

The bill amounts from the electric company for the month of July for 10 randomly selected houses from the map was obtained to be

135 265 215 103 156 203 125 156 230 241

Using the Central Limit theory, the mean of a sample extracted randomly from an independent distribution is approximately equal to the population mean of the independent distribution.

This means that the sample mean of a random sample extracted from the population is a good estimate of the population mean.

Sample mean ≈ Population mean

μₓ = μ

Mean = = (Σx)/N

The mean is the sum of variables divided by the number of variables

x = each variable

N = Sample size = 10

Σx = (135+265+215+103+156+203+125+156+230+241) = 1,829

Sample mean = (1,829/10) = 182.9

Population mean ≈ sample mean

Population mean ≈ 182.9

Hope this Helps!!!

8 0
3 years ago
Surface area help plz
lana [24]

Answer:

486 mm

Step-by-step explanation:

solve each side on it's own first

First 2 rectangles: 288 mm all together

2 rectangle: 144 mm

Triangles: 54 mm

Then add rectangles and triangles:

288 mm + 144 mm + 54 mm = 486 mm

8 0
3 years ago
Solve the math problem
k0ka [10]

If this is an option, it should be Similar Triangles.

3 0
2 years ago
Does this table represent a function ? Why or why not ​
LuckyWell [14K]
B- i could be wrong though
3 0
2 years ago
f\left(n\right)=\left\{\frac{\frac{n}{2}\ \ \ \ if\ n\ is\ even}{3n+1\ \ \ \ \ \ if\ n\ is\ odd}\right\}
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