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3 years ago

Simplify a^n*a^-n Thank you! :)

2 answers:

7 0

A ^n • a^-n = a^n + -n = a^0 = 1. The final solution to this question would be 1. Remember to follow the rules of exponents when trying to simplify the expression, in this case the multiplication rule.

irakobra [83]3 years ago

6 0

Yy^2 I'm pretty sure is the answer!

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Three people are sitting on a bus. Belle is seated 4 meters directly behind Diego and 3 meters directly left of Reba. How far is

andreev551 [17]

12 meters away Diego from Reba

6 0

3 years ago

PLZZZ HELPPP THIS IS A TIMED TESTTT *look at the picture*

Artyom0805 [142]

Answer:

x=14

Step-by-step explanation:

7 0

3 years ago

Find the roots of the quadratic equation w+w²/3=0

Daniel [21]

I assume that the equation you mean is below:

$\large \boxed{w + \frac{ {w}^{2} }{3} = 0}$

To find roots for this equation, we have to get rid of the denominator. We can do by multiplying both sides by 3.

$\large{w(3) + \frac{ {w}^{2} }{3} (3) = 0(3)} \\ \large{3w + {w}^{2} = 0}$

Factor w-term out (common factor)

$\large{w(3 + w) = 0} \\ \large{w = 0 \: \: \: or \: \: \: 3 + w = 0} \\ \large{w = 0, - 3}$

Answer

The roots of quadratic equation are 0,-3

8 0

3 years ago

Given :

pashok25 [27]

$\\ \sf\longmapsto A=(1-4)-(2+1)$

$\\ \sf\longmapsto A=-3-3$

$\\ \sf\longmapsto A=-6$

$\\ \sf\longmapsto B=(3-\dfrac{1}{2})-(2-4)$

$\\ \sf\longmapsto B=\left(\dfrac{5}{2}\right)+2$

$\\ \sf\longmapsto B=\dfrac{5+4}{2}$

$\\ \sf\longmapsto B=\dfrac{9}{2}$

Now

$\\ \sf\longmapsto AB=-6\times \dfrac{9}{2}$

$\\ \sf\longmapsto AB=-3(9)$

$\\ \sf\longmapsto AB=-27$

$\\ \sf\longmapsto \dfrac{9}{2}\times (-6)$

$\\ \sf\longmapsto 9(-3)$

$\\ \sf\longmapsto -27$

Observed:-

$\\ \sf\longmapsto AB=BA$

8 0

3 years ago

A recipe calls for 40 ounces of meat. How many pounds of meat does the recipe require?

saveliy_v [14]

I believe that 40 ounces of meat would be 2.5 pounds of meat.
So the recipe would call for 2.5 pounds of meat.
hope this helps!

5 0

3 years ago

Read 2 more answers