4 years ago

Billy stacked six pieces of wood on top of one another. If each piece

Mathematics

2 answers:

Sliva [168]4 years ago

6 0

The answer would be 175 feet tall

Leona [35]4 years ago

6 0

The answer would be 165

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Help would be good i dont know how to do this

Mila [183]

$\frac{x^2-4x-32}{x^2+7x+12}=\frac{x^2+4x-8x-32}{x^2+4x+3x+12}=\frac{x(x+4)-8(x+4)}{x(x+4)+3(x+4)}=\\\frac{(x+4)(x-8)}{(x+4)(x+3)}=\frac{x-8}{x+3}$

5 0

3 years ago

4x + 2(x - 5) - 3(2x -4)

Olegator [25]

Answer:

Step-by-step explanation:

Pull out like factors :

2x - 4 = 2 • (x - 2)

(4x + (2 • (x - 5))) - 6 • (x - 2)

(4x + 2 • (x - 5)) - 6 • (x - 2)

Final Answer:

5 0

3 years ago

Does anyone know where the a in front of the parentheses for the LCD : a(a+5)(a-6) came from?

lukranit [14]

Answer:

See below

Step-by-step explanation:

If you factor $a^2-a-30$ you get $\left(a^2+5a\right)+\left(-6a-30\right)$

= $a(a+5)-6(a+5)$

= $a(a+5)(a-6)$

That's where the a comes in

Not sure if that answers your question

8 0

2 years ago

The sides of a triangle 17, 3 and 15. Determine the triangle is a right triangle

Sloan [31]

Answer: No.

Step-by-step explanation: This is not a right triangle because if you add up all the sides, it does not equal 90 degrees.

6 0

3 years ago

What is the reciprocal of 2/3 ? How can you be sure it is the reciprocal?

lora16 [44]

Hi There.

The reciprocal of 2/3 is 3/2.

All that you have to do is switch the places of the numerator and the denominator.

Ex. 5/6 = 6/5

Hope that helps:)

6 0

4 years ago

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