3 years ago

Gill creates a model prisim using 22 unit cubes. What is the volume of the prisim

Mathematics

1 answer:

Elena L [17]3 years ago

5 0

I think the answer is 66. But I'm not sure just try and see...!

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4 years ago

The height of a triangle is four times the length of the base. Find the base and height of he riangle if the area is 18 square i

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3 years ago

Which polynomial is a perfect square trinomial?

Levart [38]

Answer:

$\large\boxed{16x^2-24x+9=(4x-3)^2}$

Step-by-step explanation:

$\text{Perfect square:}\ (a-b)^2=a^2-2ab+b^2\\=======================\\\\25x^2-20x-16\to\text{NOT. Because is}\ -16=-4^2\\\\9a^2-30a-25\to\text{NOT. Because is}\ -25=-5^2\\\\25b^2-15b+9=(5b)^2-2(5b)\left(\dfrac{3}{2}\right)+3^2\to\text{NOT. Because is}\ b=\dfrac{3}{2}\ \text{and}\ b^2=3^2\\\\16x^2-24x+9=(4x)^2-2(4x)(3)+3^2=(4x-3)^2\ \boxed{YES\ :)}$