3 years ago

Factor completely the expression: 2x^3 - 2x^2 - 12.

Mathematics

1 answer:

Gnom [1K]2 years ago

3 0

Answer:

2(x^3-x^2-6)

Step-by-step explanation:

2 out of 2x^3 - 2x^2 - 12

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(4.89 +12.52 + 2(-2.5)

fiasKO [112]

Answer: 12.41

Step-by-step explanation:

1st 2 times -2.5

add all the terms left together.

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2 years ago

For what values of q are the two vectors A = i + j + kq each other and B-iq-23 + 2kg perpendicular to

Sloan [31]

Answer:

The value of q are 0.781,-1.281.

Step-by-step explanation:

Given : Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$ are perpendicular to each other.

To find : The value of q ?

Solution :

When two vectors are perpendicular to each other then their dot product is zero.

i.e. $\vec{A}\cdot \vec{B}=0$

Two vectors $A=i+j+kq$ and $B=iq-2j+2kq$

$(i+j+kq)\cdot (iq-2j+2kq)=0$

$(1)(q)+(1)(-2)+(q)(2q)=0$

$q-2+2q^2=0$

$2q^2+q-2=0$

Using quadratic formula,

$q=\frac{-1\pm\sqrt{1^2-4(2)(-2)}}{2(2)}$

$q=\frac{-1\pm\sqrt{17}}{4}$

$q=\frac{-1+\sqrt{17}}{4},\frac{-1-\sqrt{17}}{4}$

$q=0.781,-1.281$

Therefore, The value of q are 0.781,-1.281.

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2 years ago

A tropical species of mite named archegozetes longisetosus is the record holder for the strongest insect in the world. It can li

horrorfan [7]

The first thing we have to do is to measure your weight using a weighing scale.

Suppose your weight is 130 pounds, therefore you can lift:

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The answer would be
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3 years ago

What is 0.28 and 2.65 as a fraction in simplest form? explain

Oksanka [162]

28/100=14/50=7/25 &the second one 2=200/100 so 200/100+65/100=265/100

265/100=53/20

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2 years ago

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