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Katyanochek1 [597]
2 years ago
8

Pls help with all 4 questions, and show a step by step explanation (show how you set up the problems)

Mathematics
1 answer:
Ainat [17]2 years ago
8 0
<h2>Answer:</h2>

<u>Question 10:</u>

21.75 ÷ 30 = 0.725

Move the decimal backwards 2 times

72.5

<em>Answer: </em>72.5%

<u>Question 11:</u>

Sales: $768

Commission Rate: 4%

Commission: $30.72

768 x 4 = 3,072

3,072 ÷ 100 = 30.72

<em>Answer:</em> $30.72

<u>Question 12:</u>

Selling Price: $39.98

Tax Rate: 4.5%

Sales Tax: $1.80

39.98 x 4.5 = 179.91

179.91 ÷ 100 = 1.7991

Then you round to the thousandths.

1.799

1.8

<em>Answer:</em> $1.80

<u>Question 13:</u>

20% x 141 = 28.2

141 + 28.2 = 169.2

<em>Answer:</em> $28.20 gratuity is added to the bill.

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Two friends board an airliner just before departure time. There are only 11 seats left, 4 of which are aisle seats. How many way
Vadim26 [7]

Using the Fundamental Counting Theorem, it is found that:

The 2 people can arrange themselves in 40 ways.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

With one people in the aisle and one in the normal seats, the parameters are:

n1 = 4, n2 = 7

With both in the aisle, the parameters is:

n1 = 4, n2 = 3

Hence the number of ways is:

N = 4 x 7 + 4 x 3 = 28 + 12 = 40.

More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866

#SPJ1

8 0
2 years ago
PLS HELP I WILL BRAINLIEST 15 PTS
Mnenie [13.5K]

Answer:17 dollars per hour per hour

Step-by-step explanation:

Hope this helps

5 0
3 years ago
I need the answers ASAP, please, thank you!
DiKsa [7]
It’s going to be B because
6 0
3 years ago
What is electroplating? anyone free to talk?​
Lerok [7]

Answer:

(a metal object) by electrolytic deposition with chromium, silver, or another metal.

Example: "the bullets are electroplated with copper to form a jacket"

8 0
2 years ago
Read 2 more answers
Jose's Bikes rents bikes for $14 plus $3 per hour. Heather paid $38 to rent a bike. For how many hours did she rent the bike?​
Nady [450]

Answer:

8 hours

Step-by-step explanation:

14 + 3x =38

-14 -14

--------------------

3x = 24

---- ----

3 3

--------------------

x = 8

4 0
2 years ago
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