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eduard
3 years ago
13

For every nickel increase in price, the subscriptions to the Perrysville Paper decreases by 5 people. If 1,256 people currently

subscribe to the paper, how many people will it if the price is increased by $0.25?
Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

1,231 people

Step-by-step explanation:

1,256 people currently subscribe. $0.25 is 5 nickels, and for every nickel the price is raised, 5 people unsubscribe. That's 1 person per cent. 25 people will unsubscribe for every $0.25 the price is raised. 1,256-25 is 1,231, so 1,231 people will continue to subscribe after the price increase.

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Let be the set of permutations of whose first term is a prime. If we choose a permutation at random from , what is the probabili
Dennis_Churaev [7]

Answer:

Pr = \frac{1}{6}

Step-by-step explanation:

Given

S = \{1,2,3,4,5\}

n = 5

Required

Probability the third term is 3

First, we calculate the possible set.

The first must be prime (i.e. 2, 3 and 5) --- 3 numbers

2nd \to 4\ numbers

3rd \to 3\ numbers

4th \to 2\ numbers

5th \to 1\ number

So, the number of set is:

S = 3 * 4 * 3 * 2 * 1

S = 72

Next, the number of sets if the third term must be 2

1st \to 2 i.e. 1 or 5

2nd \to 3\ numbers ---- i.e. remove the already selected first term and the 3rd the compulsory third term

3rd \to 1\ number i.e. the digit 2

4th \to 2\ numbers

5th \to 1\ number

So

r = 2 * 3 * 1 * 2 * 1

r = 12

So, the probability is:

Pr = \frac{r}{S}

Pr = \frac{12}{72}

Pr = \frac{1}{6}

8 0
3 years ago
What is the median of the data set 30 52 68 65 69 61 68 75 85 78
Lera25 [3.4K]
Median is the number in the middle when all the numbers are put in order.
Let's do that first.
30 52 61 65 68 68 69 75 78 85
Now if there's 10 numbers, 2 numbers are in the middle.
By counting in 4 on both sides, we know the two numbers are both 68, so 68 is the median.
4 0
3 years ago
Read 2 more answers
Johann maintains a $75,000 insurance policy on his boat. He pays $50 per month in premiums and his deductible is $2,500. If he i
almond37 [142]
The problems states that his deductible is $2500 so he will get $500  ($3000- 2500) from the insurance company.
If this accident happens the first month he has insurance he will also have spent $50 so he will have $450
You did not say how long he has been paying his premiums but I am going to assume it has been a year or 12 months @ $50 or $600.   In that case we do $500-600 = $-100 and he will have to pay $100
I don't care for the question because premiums get paid whether you make a claim or not and should not be considered in how much he will get if he makes a claim.
5 0
3 years ago
Which of the following has the largest value?
Westkost [7]

Answer:

  1/2

Step-by-step explanation:

1/2 = 0.50 has a larger value than 0.09 or 0.35 (=35%).

The largest value is 1/2.

_____

Decimal numbers are compared left to right. Comparisons are made of digits having the same number place, so tenths are compared to tenths (for starters). Here, that means you're comparing 5 tenths to 0 tenths to 3 tenths. 5 wins.

5 0
3 years ago
A 16-oz bottle of water costs $1.44. What is the cost per ounce? $0.18/oz $0.90/oz $1.78/oz $0.09/oz
raketka [301]
1.44 divided by 16=0.09.
6 0
3 years ago
Read 2 more answers
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