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3 years ago

If a 2 centimeter cube is placed inside a box that is 9 cm by 5 cm by 8cm ,

Mathematics

1 answer:

Bumek [7]3 years ago

8 0

Answer:

360 cm3

Step-by-step explanation:

Option d is the right answer

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Find the output, y, when the input, x , is 7. y=

Anton [14]

The answer to your question would be 6!

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3 years ago

Find the slope between the points (2, -10) and (-4, 2). A) 1/4 B) -2 C) 4 D) -1/2

CaHeK987 [17]

Answer:

B) -2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)=(2-(-10))/(-4-2)=(2+10)/-6=12/-6=-2

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3 years ago

Joe is building a post for his mailbox. To find the correct dimensions, he needs to expand this expression: (x-3) (x-9) (x-4) Se

kolbaska11 [484]

Answer:

$(x-3)(x-9)(x-4)=x^3-16x^2+75x-108$

Step-by-step explanation:

Given:

The expression to expand is given as:

$(x-3)(x-9)(x-4)$

Let us expand the first two binomials of the given expression using FOIL method.

The FOIL method states that:

$(a + b)(c + d) = ac + ad + bc + bd$

$(x-3)(x-9)=(x\times x)+(x\times -9)+(-3\times x)+(-3\times -9)\\\\(x-3)(x-9)=x^2-9x-3x+27=x^2-12x+27$

Now, let us multiply the result with the remaining binomial. Multiplying each term of the trinomial with each term of the binomial, we get:

$(x^2-12x+27)(x-4)\\\\= (x^2\times x)+ (x^2\times -4)+(-12x\times x)+(-12x\times -4)+(27\times x)+(27\times -4)\\\\=x^3-4x^2-12x^2+48x+27x-108\\\\=x^3-16x^2+75x-108...........(\because-12x^2-4x^2=-16x^2,48x+27x=75x)$

Therefore, the equivalent expression after expanding is given as:

$(x-3)(x-9)(x-4)=x^3-16x^2+75x-108$

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2 years ago

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m_a_m_a [10]

Answer: idont even know

Step-by-step explanation:

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3 years ago

Perimeter of triangle:20

EleoNora [17]

What do you want me to do

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3 years ago