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nadezda [96]
3 years ago
13

#12+Vince+went+shopping and+spent+$0.50+on+each pencil+and+$0.25+on+each pen.+Write+an+algebraic expression+to+express+the amoun

t+Vince+spent+on+p pencils+and+m+pens.
Mathematics
1 answer:
Lady_Fox [76]3 years ago
4 0

Answer:

The Algebraic expression representing amount spent on 'p'pencil and 'm' pens is  0.5p+0.25m.

Step-by-step explanation:

Given:

Amount spent on each pencil = $0.50

Amount spent on each pen = $0.25

Let the Number of pencils be 'p'.

Let the number of pens be 'm'.

We need to find the Algebraic expression to find the amount spent on pencils and pens

Solution:

Now we can say that;

The total amount spent is equal to sum of Amount spent on each pencil multiplied by the Number of pencils and Amount spent on each pen multiplied by the Number of pens.

framing in equation form we get;

The total amount spent = 0.5p+0.25m

Hence The Algebraic expression representing amount spent on 'p'pencil and 'm' pens is  0.5p+0.25m.

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The following stem-and-leaf plot represents the test scores for
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Considering the given stem-and-leaf plot, the quartiles are given as follows:

  • The first quartile is of 67.5.
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<h3>What are the median and the quartiles of a data-set?</h3>

  • The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile.
  • The first quartile is the median of the first half of the data-set.
  • The third quartile is the median of the second half of the data-set.

There is an even number of elements(26), hence the median is the mean of the 13th and 14th elements, which are 83 and 86, hence:

Me = (83 + 86)/2 = 84.5.

The first half has 12 elements, hence the first quartile is the mean of the 6th and 7th elements, which are 67 and 68, hence:

Q1 = (67 + 68)/2 = 67.5.

The third half also has 12 elements, starting at the second 86, hence the third quartile is the mean of the 6th and 7th elements of this half, hence:

Q3 = (91 + 92)/2 = 91.5.

More can be learned about the quartiles of a data-set at brainly.com/question/28017610

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4vir4ik [10]
The answer would be, 325mg is 32.5 cg
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2x - 4 = 90              3y + 6 = 90
2x = 90 + 4              3y = 90 - 6
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Answer:

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