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laiz [17]
2 years ago
8

Which is the product of 15 and 5/12 A. 5 5/12 B. 6 1/4 C. 7 1/12 D. 7 3/4

Mathematics
2 answers:
Viktor [21]2 years ago
7 0

Answer:

b)\ 6\frac{1}{4}

Step-by-step explanation:

Which is the product of 15 and 5/12

15*\frac{5}{12} \\\\\frac{15}{1} *\frac{5}{12}\\\\\frac{5}{1}*\frac{5}{4}\\\\ \frac{25}{4}  \\\\6\frac{1}{4}

Hope this helps!

Zolol [24]2 years ago
4 0

Hi!

Your answer is B.

Given:

15*\dfrac{5}{12}

Change 15 into a fraction by putting it over 1

\dfrac{15}{1} * \dfrac{5}{12}

Multiply the numerators and the denominators by each other:

\dfrac{15*5}{12*1} =\dfrac{75}{12}

Simplify:

\dfrac{75/3}{12/3} = \dfrac{25}{4}

Mixed number form = 6\dfrac{1}{4}

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Step-by-step explanation:

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3 years ago
Kim will say 50% in she opens a credit card she wants to buy a jacket for 120 what will be her savings
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Step-by-step explanation:

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A. 60 degrees <br> B. 120 degrees <br> C. 30 degrees <br> D. 150 degrees
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3 years ago
Read 2 more answers
The length of a rectangular floor is 4 feet longer than its width w. The area of the floor is 525 ft^2.
andre [41]

Answer:

  • 525 = (w+4)(w)
  • 21 ft by 25 ft

Step-by-step explanation:

Let w represent the width of the floor. Then the length of the floor is (w+4) and its area is ...

  A = LW

  525 = (w+4)(w)

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Solutions are ...

  w = 21, w = -25

We are interested in the positive solution: w = 21.

The floor is 21 feet wide and 25 feet long.

_____

<em>Alternate solution</em>

Sometimes, when the factors aren't obvious, it works well to write an equation for the average of the dimensions. Here, we can represent that with x, and use (x-2) for the width, and (x+2) for the length. Then we have ...

  525 = (x-2)(x+2) = x^2 -4

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Then w=23 -2 = 21, and the length is w+4 = 25.

7 0
3 years ago
Read 2 more answers
Expression of "three fifths of a number b subtracted from thrice the same number" into mathematical symbol
liubo4ka [24]

Answer:

3b - \frac{3}{5} b  

Step-by-step explanation:

Let the number be "b"

So the expression would be:

3b - \frac{3}{5} b  

6 0
3 years ago
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