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4 years ago

What number is least likely to be represented by -4.5.

Mathematics

1 answer:

elena55 [62]4 years ago

8 0

My answer is should: increase of 4.5

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P.S..If you have options then it's better................

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Factor the trinomial 8x^2-12x-8

fgiga [73]

Answer:

$(x-2)(8x+4)$

Step-by-step explanation:

we have

$8x^{2} -12x-8$

Equate to zero and find the roots of the quadratic equation

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$8x^{2} -12x-8=0$

$a=8\\b=-12\\c=-8$

substitute in the formula

$x=\frac{-(-12)(+/-)\sqrt{-12^{2}-4(8)(-8)}} {2(8)}$

$x=\frac{12(+/-)\sqrt{400}} {16}$

$x=\frac{12(+/-)20} {16}$

$x_1=\frac{12(+)20} {16}=2$

$x_2=\frac{12(-)20} {16}=-\frac{1}{2}$

therefore

$8x^{2} -12x-8=8(x-2)(x+\frac{1}{2})=(x-2)(8x+4)$

8 0

3 years ago

Free 25 points ‼‼

TiliK225 [7]

Answer:

I think 32 is answer but i am not sure

5 0

3 years ago

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Find the value of x in the picture below. (round to nearest tenth if needed) THANK YOU FOR HELPING ME:)

DanielleElmas [232]

Answer:

12 I believe

Step-by-step explanation:

$12\sqrt{2}$ x sin(45) = 12

I am pretty positive I am correct, I am sorry if I am off a little

6 0

3 years ago

what is the volume of a regular octahedron inside a cube with the length of its sides measuring 4 centimeters

spayn [35]

Answer:

We conclude that the volume of a regular octahedron will be:

$\:\:V\:\approx \:30.17$ cm

Step-by-step explanation:

Given

The length of one of the side or edge of a regular octahedron = a = 4 cm

To determine

The volume of a regular octahedron = V

Using the formula to determine the volume of a regular octahedron

$V\:=\:\frac{\sqrt{2}}{3}a^3$

substituting a = 4 in the volume equation

$V=\frac{\sqrt{2}\cdot \:4^3}{3}$

$V=\frac{64\sqrt{2}}{3}$ ∵ 4³ = 64

$\:\:V\:\approx \:30.17$ cm

Therefore, we conclude that the volume of a regular octahedron will be:

$\:\:V\:\approx \:30.17$ cm

7 0

3 years ago

Can someone help me with an Algebra 2 question? I am doing a Quiz Point Recovery Worksheet. And I have no idea what I did wrong

mel-nik [20]

I think it is B because there is not an x point there is just a y point.

6 0

4 years ago

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