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s2008m [1.1K]
2 years ago
13

In a collection of coins there are twice as many nickels as dimes and seven less quarters then dimes. Find the number of each co

in if the collection is worth $16.25
Mathematics
2 answers:
Ksenya-84 [330]2 years ago
8 0

Answer:

15 nickels, 6 quarters, and 12 dimes.

Step-by-step explanation: i hoped it helped ;)

Liula [17]2 years ago
6 0

Answer:

80 nickels, 40 dimes, 33 quarters

Step-by-step explanation:

here os the link for more problems and answers:https://msskehill.weebly.com/uploads/1/3/4/4/13443123/word_problems_worksheet.pdf

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An investment analyst has tracked a certain bluechip stock for the past six months and found that on any given day, it either go
anastassius [24]

Answer:

0.2109 or 21.09%

Step-by-step explanation:

In order to maintain the same price after two days, the stock must go up (U) on two days and go down (D) on two days, the sample space for this event is:

S={UUDD, UDUD, UDDU, DDUU, DUDU, DUUD}

There are 6 equally likely possible outcomes. The probability that the price of the stock will be the same as it is today is:

P =6* (0.25*0.25*0.75*0.75)\\P=0.2109=21.09\%

The probability is 0.2109 or 21.09%.

7 0
3 years ago
the length of a rectangle is 2 in more than it's w i d t h the area of a rectangle is equal to 1 inch less than three times a pe
Marizza181 [45]
If we let x and y represent length and width, respectively, then we can write equations according to the problem statement.
.. x = y +2
.. xy = 3(2(x +y)) -1

This can be solved a variety of ways. I find a graphing calculator provides an easy solution: (x, y) = (13, 11).

The length of the rectangle is 13 inches.
The width of the rectangle is 11 inches.

______
Just so you're aware, the problem statement is nonsensical. You cannot compare perimeter (inches) to area (square inches). You can compare their numerical values, but the units are different, so there is no direct comparison.

6 0
3 years ago
The ______ average ignores compounding.
mars1129 [50]
The answer is:  [B]:  "arithmetic" .
______________________________________________________
         "The <u>  arithmetic  </u> average ignores compounding."
______________________________________________________
8 0
3 years ago
Which fraction is the greatest (represents the largest quantity) 1/3 3/8 2/5 1/2?
ale4655 [162]
1/2 is the largest fraction out of all of them
3 0
3 years ago
Tom wants to get to the playground at 2:30 p.m. it takes him 27 minutes to bike there
N76 [4]

Answer:

2:03

Step-by-step explanation:

If it takes him 27 minutes he should leave the house 27 minutes before he has to go. 2:03 is 27 minutes early

6 0
2 years ago
Read 2 more answers
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