3 years ago

The product of two rational numbers is ____ rationalA. sometimesB. always C. never

1 answer:

7 0

B. always rational is yur anwer

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ss7ja [257]

We are given this

$x^6 -64y^3$

write it as the difference of cubes

$(x^2)^3 -(4y)^3$

use the formula for the difference of cubes

$(x^2-4y) ((x^2)^2+x^2*4y+(4y)^2)$

Now use the formula for the difference of squares as $4y = (2\sqrt{y} )^2$

$(x-2\sqrt{y}) (x+2\sqrt{y}) (x^4+4x^2y+16y^2)$

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3 years ago

xxMikexx [17]

Answer:

Your answer is (D)-7

Step-by-step explanation:

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3 years ago

Kitty [74]

Answer:

Step-by-step explanation:

The 81° angle and angle 2 are corresponding angles so angle 2 must measure 99°. Angles 1 and 2 are supplementary angles so angle 1 must measure 81°.

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3 years ago

dlinn [17]

So x=11
So 3/11=33-4=29 =2/11=22+7=29

4 0

3 years ago

yan [13]

Answer:

Step-by-step explanation:

17+(-15)=17-15

6 0

3 years ago