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scoray [572]
2 years ago
16

An x-method chart shows the product a c at the top of x and b at the bottom of x. Above the chart is the expression a x squared

+ b x + c. If x – 10 is a factor of x2 – 8x – 20, what is the other factor? x +
Mathematics
2 answers:
Bond [772]2 years ago
9 0

Answer:

The other factor is (x + 2).

Step-by-step explanation:

If x - 10 is a  factor of x^2 - 8x - 20 then we must find another factor that includes +2x, so that we have -10x + 2x = -8x.  That factor is (x + 2):

x^2 - 8x - 20 = (x - 10)(x + 2)

As a test, multiply -10 and +2.  We get -20, matching the constant of the given polynomial.  Also, -10x + 2x = -8x, another match.

julsineya [31]2 years ago
8 0

Answer:

it is x+2

Step-by-step explanation:

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Step-by-step explanation:

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Sladkaya [172]
B.
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C.
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please mark as brainliest.
3 0
3 years ago
Three vertices of the trapezoid are A(4d,4e), B(4f,4e), and C(4g,0). The fourth vertex lies on the origin. Find the midpoint of
satela [25.4K]
We have that

point C and point D have y = 0-----------> (the bottom of the trapezoid).

point A and point B have y = 4e ---------- > (the top of the trapezoid)

the y component of  midpoint would be halfway between these lines
 y = (4e+ 0)/2 = 2e. 

<span>the x component of the midpoint of the midsegment would be halfway between the midpoint of AB and the midpoint of CD.

x component of midpoint of AB is (4d + 4f)/2.
x component of midpoint of CD is (4g + 0)/2 = 4g/2.
x component of a point between the two we just found is
[(4d + 4f)/2 + 4g/2]/2 = [(4d + 4f + 4g)/2]/2 = (4d + 4f + 4g)/4 = d + f + g. 

</span>therefore

the midpoint of the midsegment is (d + f + g, 2e)
8 0
3 years ago
4x+y+6z=7 <br> 3x+3y+2z=17<br> -x-y+z=19
alisha [4.7K]

Answer:

the 2nd one

Step-by-step explanation:

3 0
3 years ago
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