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allochka39001 [22]
3 years ago
13

5. Write each comparison as a rate.

Mathematics
1 answer:
stepan [7]3 years ago
4 0

Answer:

5, 0.55, 2.00, 3 cm.

Step-by-step explanation:

If you're asking about the unit rates, then..

a. For 1 day, there is 5 mm of rain. 15 / 3 = 5

b. One chocolate bar costs $0.55. 2.20 / 4 = $0.55

c. $14.00 / 7 = 2.00 Indu saves $2.00 for one day.

d. 12 / 4 = 3 cm. For one month, philip grew 3 cm.

I hope this helped :)

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HELP NOW!!!!
VMariaS [17]

Using the concept of probability and the arrangements formula, there is a  

0.002 = 0.2% probability that the first 8 people in line are teachers.

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

  • A probability is the <u>number of desired outcomes divided by the number of total outcomes.</u>
  • The order in which they are positioned is important, and all people will be positioned, and thus, the arrangements formula is used to find the number of outcomes.

The number of possible arrangements from a set of n elements is given by:

A_n = n!

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

The desired outcomes are:

  • First 8 people are teachers, in <u>8! possible ways.</u>
  • Last 4 are students, in <u>4! possible ways.</u>

Thus, D = 8! \times 4!

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

For the total outcomes, <u>number of arrangements of 12 people</u>, thus:

T = 12!

The probability is:

p = \frac{D}{T} = \frac{8! \times 4!}{12!} = 0.002

0.002 = 0.2% probability that the first 8 people in line are teachers.

A similar problem is given at brainly.com/question/24650047

7 0
3 years ago
A purse contains $1.15 in nickles and dimes and has 20 coins. How many nickles are in the purse?
lisov135 [29]
There are 23 nickles in her purse
4 0
3 years ago
What is the length of BC ?<br>​
galben [10]
The answer is c.

Since a^2+b^2=c^2, b^2=c^2-a^2 thus,
16=4-b^2= srt. of 12
7 0
2 years ago
Read 2 more answers
What number is 0.25% of 46?
cestrela7 [59]

Answer:

0.115

Step-by-step explanation:

First, multiply 0.25 x 46 to get 11.5

Then, multiply by 11.5 x 100 and get your answer.

You can find the percent of any number my doing this:

Multiplying the percent x the number then dividing by 100

hope this helps :)

3 0
3 years ago
customers can pick up their own pumpkins at the great pumpkin patch. they pay $4 to enter the patch and $3 per round for the pum
gayaneshka [121]

y = 4 + 3x

4 being the entrance cost and 3x being the 3 dollars per pound

8 0
3 years ago
Read 2 more answers
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