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3 years ago

Find the factor of the polynomial.

Mathematics

2 answers:

hichkok12 [17]3 years ago

8 0

Its the third one down

Step2247 [10]3 years ago

8 0

Since 8 is a perfect cube...2^3, we can factor (x +2).
Use the sum of cubes formula.. (a^3 + b^3) = (a + b) (a^2 -ab + b^3)
(x + 2) ( x^2 - 2x + 4)

Leaves your answer as the third option.

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garik1379 [7]

Answer:

The area is 256

Step-by-step explanation:

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3 years ago

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How many points are used to define a plane?

marusya05 [52]

Step-by-step explanation:

<h2>Three points in the least number of points that can be used to define a plane. If you used two points you would only have a line, and one point is a point.</h2>

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4 years ago

If the area of a sector is 100 ft^2 and the radius of the circle is 22 ft what is the central angle measure for that sector and

ahrayia [7]

Answer:

$\displaystyle \theta=0.413\ rad$

Step-by-step explanation:

<u>Area of a Circular Sector</u>

Given a circle of radius r, the area of a circular sector defined by a central angle θ (in radians) is given by

$\displaystyle A=\frac{1}{2}r^2\theta$

And the length of the arc is:

$L=\theta r$

We know the area of the sector is 100 square feet and the radius is r=33 ft, thus:

$\displaystyle 100=\frac{1}{2}r^2\theta$

Solving for θ:

$\displaystyle \theta=\frac{200}{r^2}$

$\displaystyle \theta=\frac{200}{22^2}$

$\displaystyle \theta=0.413\ rad$

The arc length is:

$L=0.413* 22$

L= 9.086 feet

6 0

3 years ago

To amend the u.s constitution 3/4 of the states must approve the amendment. If 35 states approve an amendment will the constitut

Anton [14]

Answer:

Step-by-step explanation:

So first, you need to divide the number of states voting by the number total, so 35/50= 0.7. Then you need to complete the original fraction and turn it into a decimal: 3/4 = 0.75

So 35 states = 0.7 and 3/4 = 0.75, so there are 0.05, or 5% of the states missing to Amend the Constitution.

7 0

3 years ago

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3. A scrap of fabric has the dimensionsshown. What is the area of the scrapof fabric?: 12 m15 m

hram777 [196]

SOLUTION

From the image, the scrap of fabric has the shape of a triangle,

with base 15m and height 12m

Area of a triangle is calculated as

$\text{Area of triangle = }\frac{1}{2}\times base\times height$

So, this becomes

$\begin{gathered} \text{Area of triangle = }\frac{1}{2}\times base\times height \\ \text{Area of triangle = }\frac{1}{2}\times15\times12 \\ 2\text{ into 12, we have 6, so this becomes } \\ =15\times6 \\ =90m^2 \end{gathered}$

Hence, the answer is 90 square-meters

7 0

1 year ago