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3 years ago

9

Billy stacked 6 pieces of wood on top of one another if each piece was 3/4 of foot tall how tall was his pile

1 answer:

Dmitry_Shevchenko [17]3 years ago

4 0

The answer would be 4 1/2

Step 1. Multiply 3/4 by 6/1 to get = 18/4
Step 2. Simplify 18/4 to get 4 1/2
—————————————————————————
How to simplify:

Ex: 18/4

See how many times 4 can go into 18.

「divide 4 and 18」

TIP: Always add a 1 under a single number like 3/4x6 change the 6 to: 6/1

|Questions are welcomed|

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Diano4ka-milaya [45]

RO divides the rectangle into two congruent right triangles.

The area of the one triangle is equal half area of the rectangle.

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$A_R=lw\\l=12,\ w=5\\\\A_R=12\cdot5=60$

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$A_T=\dfrac{1}{2}A_R\to A_T=\dfrac{1}{2}\cdot60=30$

Use the Pythagorean theorem to calculate the length of RO:

$|RO|^2=5^2+12^2\\\\|RO|^2=25+144\\\\|RO|^2=169\to|RO|=\sqrt{169}\to|RO|=13$

The formula of an area of this right triangle is:

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