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3 years ago

4. Uncle Rick, who is numbering seats at a wrestling arena, is assigned a section of 12 rows of

Mathematics

2 answers:

sweet-ann [11.9K]3 years ago

8 0

Answer:

144 Seats

Step-by-step explanation:

To find how many seats are there we will have to find how many seats are there in a row and then multiply this number with the number of rows.

It says there are 12 seats in a row.

And 12 rows in the section.

So, we will multiply 12 with 12.

> 12 x 12

<h2>> 144 Seats</h2>

There are 144 seats in the section.

I hope it will be understood.

If I have any inaccuracies please let me know.

Have a nice day and never stop questioning!

nydimaria [60]3 years ago

5 0

Answer:

Step-by-step explanation:

Each rows contain 12 seats.

No.of seats in 12 rows = 12 *12 = 144 seats

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Log9 =2
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3 years ago

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-Dominant- [34]

Answer:

$(f-g)(x)$

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3 years ago

Use the converse of the Pythagorean theorem to decide whether ΔABC is a right triangle by answering the questions.

navik [9.2K]

Answer:

Pythagorean theorem: a^2 + b^2 = c^2

1. we have to find a. b is 12 and c is 15 because the right angle is pointing towards 15 so that is the hypotenuse. then we simply plug the info in the equation we have above.

a^2 + 12^2 = 15^2

a^2 + 144 = 225

a^2 = 81 --> sqaure root to find the answer basically.

a = 9

- we put AD as a so AD = 9

final answer : 9

2. to find AC, simply add AD and DC.

9 + 16 = 25

final answer: AC = 25

3. ABC is not a right triangle because it does not have a right angle. the smaller triangles do, but that does not mean that ABC is a right triangle.

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2 years ago

Read 2 more answers

A survey of shoppers is planned to determine what percentage use credit cards. prior surveys suggest 63% of shoppers use credit

Alona [7]

We would need a sample size of 560.

We first calculate the z-score associated. with this level of confidence:
Convert 95% to a decimal: 95% = 95/100 = 0.95
Subtract from 1: 1-0.95 = 0.05
Divide by 2: 0.05/2 = 0.025
Subtract from 1: 1-0.025 = 0.975

Using a z-table (http://www.z-table.com) we see that this is associated with a z-score of 1.96.

The margin of error, ME, is given by:
$ME=z*\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}$

We want ME to be 4%; 4% = 4/100 = 0.04. Substituting this into our equation, as well as our proportion and z-score,
$0.04=1.96\sqrt{\frac{0.63(1-0.63)}{n}}
\\
\\\text{Dividing both sides by 1.96,}
\\
\\\frac{0.04}{1.96}=\sqrt{\frac{0.63(0.37)}{n}}
\\
\\\text{Squaring both sides,}
\\
\\(\frac{0.04}{1.96})^2=\frac{0.63(0.37)}{n}
\\
\\\text{Multiplying both sides by n,}
\\
\\n(\frac{0.04}{1.96})^2=0.63(0.37)
\\
\\n(\frac{0.04}{1.96})^2=0.2331
\\
\\\text{Isolating n,}
\\
\\n=\frac{0.2331}{(\frac{0.04}{1.96})^2}=559.67\approx560$

3 0

3 years ago

Please help me, i will give you brainliest

kifflom [539]

Answer:

52°i think

Step-by-step explanation:

148°-96°=52°

5 0

3 years ago