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Black_prince [1.1K]
3 years ago
9

(5 pt) Which question is being asked in this story problem? Dorothy has a stamp collection. She bought 300 stamps and some pages

for her album. She put 25 stamps on each page. Each stamp cost 45¢. Each page cost 15¢. How much did Dorothy spend on pages for her 300 stamps? A. What was the cost of the pages in Dorothy's album? B. How many pages does Dorothy have in her album? C. How much did Dorothy's stamps cost her? D. What was the cost of the stamps for 1 page in Dorothy's album?
Mathematics
1 answer:
V125BC [204]3 years ago
7 0
<span>A. What was the cost of the pages in Dorothy's album?</span>
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Answer:

the answer is associative

Step-by-step explanation:

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3 years ago
You will need the same dataset used for problem 3 in homework 1 (the dataset obtained from the yahoo website with the company yo
stepladder [879]

Answer:

a) The probability of sampling at random a fish that is smaller in size than the value you would obtain by subtracting half the standard deviation from the average is 0.3085.

b) The probability of sampling at random a fish that is greater in size than the value you would obtain by adding half the standard deviation from the average is 0.3085.

c) The probability of sampling at random a fish that has a size between the two values is 0.383.

d) The 25th and 75 percentiles of fish size for the population using the normal distribution table is 5.69 and 5.87 respectively.

e) The probability that the average calculated will be less than the value is 0.3707.

Step-by-step explanation:

For the given data set mean (\mu) = 5.75913

Standard deviation (\sigma) = 0.172229

Variance (\sigma2) = 0.0296

Here we get is

a)

P(x < \mu - \sigma/2) = p(x < 5.673) \\\\          = 0.3085

b)

P(x < \mu + \sigma/2) = p(x < 5.845) \\\\= 0.3085

c)

P(\mu - \sigma/2 < x < \mu + \sigma/2) = p(5.673 < x < 5.845) \\\\= 0.383

d)

25th percentile:-

= 25*[(n+1)/100]th term \\\\= 5.69

75the percentile:-

= 75*[(n+1)/100]th term\\\\ = 5.87

e)  

p(x < \mu - \sigma/3) = p(x < 5.7017) \\\\= 0.3707

7 0
3 years ago
Bacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. if we start with only one
stepladder [879]

Answer:

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Step-by-step explanation:

Multiply the rate of the bacteria going through mitosis times the amount of daughter cells per hour, for this case.

<em>r x (m)ms x hr</em> <em>= </em>bacteria in one day

Hope this helps!

<em>note: ms and hr are millisecond and hour</em>

6 0
2 years ago
Your quiz must include at least one word problem the requires multiplication or division of decimal by a power for ten. Example:
butalik [34]

Answer:

Total cost= $235

Step-by-step explanation:

Giving the following information:

Dontae wants to buy 100 tiles for his kitchen floor. The tiles cost $2.35.

<u>To calculate the total cost, we need to use the following formula:</u>

Total cost= 2.35*x

x= number of tiles

<u>For 100 tiles:</u>

Total cost= 2.35*100

Total cost= $235

5 0
3 years ago
community gym charges a $50 membership fee and a $60 monthly fee. Workout gym charges a $225 fee and a $5 monthly fee. After how
DIA [1.3K]

Answer:

3.1818... months

Step-by-step explanation:

x = months

50 + 60x = 225 + 5x

55x = 175

x = 3.1818...

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3 years ago
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