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tia_tia [17]
3 years ago
10

Amanda, Bryan, and Colin are in a book club. Amanda reads twice as many books as Bryan per month and Colin reads 4 fewer than 3

times as many books as Bryan in a month. In 4 months the number of books Amanda reads is equal to 5/8 the sum of the number of books Bryan and Colin read in 4 months. How many books does each person read each month?
Mathematics
1 answer:
Elanso [62]3 years ago
8 0
A=2b C=3b-4. A=5/8x4 = b+cx4 If Brian read let's say 3 books a month then amanda reads 6 and Collin reads 5 So the answer would be B= Brian's books. A= Amanda's books and c= Collins books So a=2xb B=b C=(3b)-4
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2 years ago
Directions: for questions 1 through 4, find the diagonal length of each solid figure.
Alex787 [66]
\text{The length of the diagonal is }11.2\text{ mm}

Here, we want to find the diagonal of the given solid

To do this, we need the appropriate triangle

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To get this, we use Pythagoras' theorem for the base

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Let us have the diagonal as l

Mathematically;

\begin{gathered} l^2=6^2+8^2 \\ l^2\text{ = 36 + 64} \\ l^2\text{ =100} \\ l\text{ = }\sqrt[]{100} \\ l\text{ = 10 mm} \end{gathered}

Now, to get the diagonal, we use the triangle with height 5 mm and the base being the hypotenuse we calculated above

Thus, we calculate this using the Pytthagoras' theorem as follows;

\begin{gathered} d^2=5^2+10^2 \\ d^2\text{ = 25 + 100} \\ d^2\text{ = 125} \\ d\text{ = }\sqrt[]{125} \\ d\text{ = }11.2\text{ mm} \end{gathered}

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Assoli18 [71]

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Answer: She has a $-7.50 balance

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6 0
3 years ago
Read 2 more answers
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