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Marysya12 [62]
3 years ago
15

a box has a length of 6x inches the width equals one third the length and the height equals half the length. if the volume equal

s 972 cubic inches, what does x equal will give 100 points and brainly
Mathematics
2 answers:
Citrus2011 [14]3 years ago
7 0

\boxed{\large{\bold{\textbf{\textsf{{\color{gold}{Answer \red{:)}}}}}}}}

a box has a length of 6x inches

  • l=6x

the width equals one third the length

  • w=\sf{\dfrac{1}{3}×6x   }

  • w=2x

the height equals half the length.

  • h=\sf{\dfrac{1}{2}×6x }

  • h=3x

<u>we</u><u> </u><u>know that</u><u>, </u>

<u>Volume</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>rectangle</u><u> </u><u>box</u><u>=</u><u>l</u><u>×</u><u>w</u><u>×</u><u>h</u>

<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>

<em>if the volume equals 972 cubic inches,</em>

  • l×w×h=volume

  • 6x × 3x × 2x=972

  • 36x^3=972 cubic unit

  • x=972/36

  • x=27

<u>Therefore</u><u>:</u><u>-</u>

The value of x is <u>2</u><u>7</u><u>.</u>

Rom4ik [11]3 years ago
6 0

Answer:

x = 27

Step-by-step explanation:

Length = 6x

Width = 1/3(6x) = 2x

Height = 1/2(6x) = 3x

6x × 2x × 3x = 36

972/36x = 27

x = 27

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Answer:

There are 122 one dollar bills, 11 five dollar bills and 5 ten dollar bills.

Step-by-step explanation:

There are bills of one dollar, five dollars and ten dollars on the cash drawer, therefore the sum of all of them multiplied by their respective values must be equal to the total amount of money on the drawer. We will call the number of one dollar bills, five dollar bills and ten dollar bills, respectively "x","y" and "z", therefore we can create the following expression:

x + 5*y + 10*z = 227

We know that there are six more 5 dollar bills than 10 dollar bills and that the number of 1 dollar bills is two more than 24 times the number of 10 dollar bills, therefore:

y = z + 6\\x = 2 + 24*z

Applying these values on the first equation, we have:

2 + 24*z + 5*(z + 6) + 10*z = 227\\2 + 24*z + 5*z + 30 + 10*z = 227\\39*z + 32 = 227\\39*z = 227 - 32\\39*z = 195\\z = \frac{195}{39}\\z = 5

Applying z to the formulas of y and x, we have:

y = 5 + 6 = 11\\x = 2 + 24*5 = 122

There are 122 one dollar bills, 11 five dollar bills and 5 ten dollar bills.

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