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stepan [7]
3 years ago
8

Please check my answer. finals question. will give brainliest. please answer fast!!

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

That is correct :)

Step-by-step explanation:


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A collection of quarters and nickels is worth ​$3.75. There are 27 coins in all. Find how many of each there are.
inysia [295]

Q +N =27

Q=27-N

0.25Q + 0.05N =3.75

0.25(27-N) + 0.05 =3.75

6.75-0.25N+0.05N=3.75

6.75-0.2N=3.75

-0.2N=-3

N=-3/-0.2 = 15

15 nickels

27-15 = 12

12 quarters

15x0.05 = 0.75

12 x 0.25 = 3.00

3.00 + 0.75 = 3.75


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Vladimir79 [104]

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Darla told her teacher that she had read XLV pages in her library book. Juan said that he had read XXXIX pages. What is the diff
lesantik [10]

Answer:

The difference between the number of pages that Darla and Juan read are <u>VI pages</u>.

Step-by-step explanation:

Given:

Darla told her teacher that she had read XLV pages in her library book.

Juan said that he had read XXXIX pages.

Now, to get the difference between the number of pages that Darla read and Juan read.

As, we see the number of pages are in roman numeral symbols.

So, we convert them in numbers first to calculate:

Darla read = XLV pages.

Darla read = 45 pages.

Now,

Juan read = XXXIX pages.

Juan read = 39 pages.

So, to get the difference between the number of pages by subtracting:

45-39=6

<em>Thus, the difference between the number of pages = 6 pages.</em>

Now, converting it into roman numerals:

6 pages = VI pages.

Therefore, the difference between the number of pages that Darla and Juan read are VI pages.

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3 years ago
Look at this square: 8 m 8 m If the side lengths are halved, then which of the following statements about its area will be true?
vazorg [7]

Answer:The solution is in the attached filefile.Ifilefile.If you still don't understand,I'm ready to explain more

Step-by-step explanation:

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2 years ago
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