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vladimir2022 [97]
3 years ago
15

How many notebooks do you think it would take to make a stack that is 5 feet high?​

Mathematics
1 answer:
aev [14]3 years ago
4 0

Answer:

There are total 30 books in the 5 feet high stack of books.

Step-by-step explanation:

The complete question is

Given, Each note book is 2 inches thick, How many notebooks do you think it would take to make a stack that is 5 feet high

Solution

Thickness of each book = \frac{2}{12}  = \frac{1}{6}

The total height of the book stack is 5 feet.

The number of books in the stack is equal to total height of the stack divided by the thickness of one book

Number of books in five feet high stack is

\frac{5}{\frac{1}{6} } \\5 * \frac{6}{1} \\30

Hence, there are total 30 books in the 5 feet high stack of books.

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Answer:

  B.  30x

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Step-by-step explanation:

The distributive property lets you factor out the common factor of x. The sum of coefficients can be simplified to a single coefficient.

  45x -15x = x(45 -15) = 30x

5 0
2 years ago
Write an equation for the line perpendicular to the line y= -2/3+7 which passes through the point (-5,6)
zysi [14]
Y = -2/3x + 7.....the slope here is -2/3. A perpendicular line will have a negative reciprocal slope. All tht means is take the original slope, flip it, and change the sign. So we take -2/3....flip it making it -3/2.....change the sign making it 3/2. So ur perpendicular line will have a slope of 3/2.

y = mx + b
slope(m) = 3/2
(-5,6)....x = -5 and y = 6
now sub and find b, the y int
6 = 3/2(-5) + b
6 = -15/2 + b
6 + 15/2 = b
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8 0
3 years ago
Is this a right triangle?<br> 25 cm, 23 cm, and 14 cm.<br> O YES<br> O NO
madam [21]

Answer:

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Step-by-step explanation:

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3 years ago
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IgorLugansk [536]

Answer:

\sf 36x^2 -24x +4

solving step wise:

\sf (6x-2)^2

\sf (6x-2)(6x-2)

\sf 36x^2 -12x -12x +4

\sf 36x^2 -24x +4

or

\sf (6x-2)^2

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36x^2 -24x +4

4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%7B%28x%20-%20y%29%7D%5E%7B2%7D%20" id="TexFormula1" title=" {(x - y)}^{2} " alt=" {(x - y)
Lubov Fominskaja [6]

Step-by-step explanation:

=  {(x - y)}^{2}  \\  =  {x}^{2}  - 2xy +  {y}^{2}

3 0
3 years ago
Read 2 more answers
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