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3 years ago

Your friend says the sum of two linear expressions is always linear expressions. Is your friend correct? Explain.

1 answer:

8 0

Yes, since adding two like variables will always result in the same variable.(i.e. x+x=2x not x^2). Any expression with the highest variable being to the power of 1 (or just x) is ALWAYS a linear expression.

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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

lisabon 2012 [21]

A=45 degree I had the same example ... Even if a angle is 90 degrees is not necessarily a right triangle, so the angle A = 45 degrees

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3 years ago

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Rationalize the denominator<br><br> 11/Square root of 5 - square root of 6

olasank [31]

Answer:

$-11\sqrt{5}-11\sqrt{6}$

Step-by-step explanation:

The given radical expression is;

$\frac{11}{\sqrt{5}-\sqrt{6}}$

We multiply both the numerator and the denominator by the conjugate of

$\sqrt{5}-\sqrt{6}$ which is $\sqrt{5}+\sqrt{6}$

$\frac{11(\sqrt{5}+\sqrt{6})}{(\sqrt{5}-\sqrt{6})(\sqrt{5}+\sqrt{6})}$

The denominator is now difference of two squares;

$\frac{11(\sqrt{5}+\sqrt{6})}{(\sqrt{5})^2-(\sqrt{6})^2}$

Simplify:

$\frac{11(\sqrt{5}+\sqrt{6})}{5-6}$

$\frac{11(\sqrt{5}+\sqrt{6})}{-1}$

$-11(\sqrt{5}+\sqrt{6})$

$-11\sqrt{5}-11\sqrt{6}$

8 0

4 years ago

PLEASE HELP MEEEEEE....

garik1379 [7]

Answer:

you have to find the mean, median, and mode so the 1st is that you have to add numbers and then multiple it

Step-by-step explanation:

did this in 8th grade middle school

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3 years ago

What is 2(5+3x)+(x+10) simplyfed

ioda

The answer is 7x+20 when it's simplified
Cheers,Irys

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3 years ago

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Can yall please help and try to put the steps but if not i completely understand, ty

dem82 [27]

Answer:

Step-by-step explanation:

its c

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3 years ago