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vazorg [7]
3 years ago
14

Help me please. Find the area of the compound Shape

Mathematics
1 answer:
Setler79 [48]3 years ago
8 0

Hi there!

We can divide this shape into 3 rectangles.

1st rectangle dimensions: 5m × 3m

2nd rectangle: 12m × 4m

3rd rectangle: 2m × 5m

Find the areas using the equation:

<u>A = l × w</u>

1st rectangle: 5 × 3 = 15m²

2nd rectangle: 12 × 4 = 48m²

3rd rectangle: 2 × 5 = 10m²

Add the areas up:

15 + 48 + 10 = <u>73m²</u>

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HOW MANY AUTOMOBILE LICENSE PLATES CAN BE MADE IF EACH PLATE
ahrayia [7]

The number of license plates is 11232000

<h3>How to determine the number of license plates?</h3>

The given parameters are:

Characters = 6 i.e. 3 letters and 3 digits

Letters = 3 different letters

Digits = 3 different digits

There are 10 different digits and 26 different letters.

Since each character is different from the other, then we have:

Digits = 10, 9 and 8

Characters = 26, 25 and 24

The number of license plates is then calculated as:

n = 10 * 9 * 8 * 26 * 25 * 24

Evaluate the product

n = 11232000

Hence, the number of license plates is 11232000

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3 0
1 year ago
5. Kal Tire installs automobile tires on a first-come first-served basis. A random sample of 50 customers experienced an average
Rainbow [258]

5.7099 is the margin of error.

<h3>What is standard deviation ?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.

Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.

According to the question,

The standard sampling error of the sample mean is σₓ ,

The sampling distribution is: N (u,σₓ/n)

Therefore,

By using the standard deviation formula:

σₓ = √∑(xi -μ)/N

Where,

∑= population standard deviation

N= the size of the population

xi= each value from the population

μ =the population mean

So ,

σₓ = \frac{20.6}{\sqrt{50} } = 2.913

Since, a = 1- 95% = 0.05

therefore Z\frac{a}{2} = (1-0.005 x 2) = 1.959964

Here, the margin of error for a 95% confidence interval for this sample is given by:

Z\frac{a}{2} * σₓ = 1.959964 x 2.913    

           = 5.7099

5.7099 is the margin of error for a 95% confidence interval for this sample.

Learn more about standard deviation here:

brainly.com/question/13905583

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7 0
2 years ago
Each floor of a hotel has r rooms. On 8 floors, there are a total of 256 rooms.
Lynna [10]

Answer: 8r = 256 is the expression. There are 32 rooms on each floor.


7 0
3 years ago
Solve the system of equations shown. Write your answer as an order pair. (x,y) *
Anon25 [30]

Answer:

The correct answer is (5,3)

Step-by-step explanation:

I just did that one:)

4 0
3 years ago
Solve the system of equations using substitution.
Lunna [17]
See attached picture for answer:

5 0
3 years ago
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