Answer:
![\frac{x^2+4x-1}{x(x+2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E2%2B4x-1%7D%7Bx%28x%2B2%29%7D)
Step-by-step explanation:
Given
-
← factor denominator
=
- ![\frac{x+1}{x(x+2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B1%7D%7Bx%28x%2B2%29%7D)
We require the fractions to have a common denominator.
Multiply numerator/denominator of first fraction by x
=
- ![\frac{x+1}{x(x+2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B1%7D%7Bx%28x%2B2%29%7D)
Subtract terms on numerator leaving the common denominator
= ![\frac{x^2+5x-x-1}{x(x+2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E2%2B5x-x-1%7D%7Bx%28x%2B2%29%7D)
= ![\frac{x^2+4x-1}{x(x+2)}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E2%2B4x-1%7D%7Bx%28x%2B2%29%7D)
Answer:
4
Step-by-step explanation:
Arrange in order
1,1,2,3,4,4,5,7,8,9
Cross off each number from each side little by little
1,2,3,4,4,5,7,8
2,3,4,4,5,7
3,4,4,5
4,4
There are two numbers left so we would find whats between them. But, since it is the same number, you just write the same one as the median.
median= 4
Answer:
Should be 49 miles.
Step-by-step explanation:
$100 - the $2 for the ride = $98
$98 / the $2 per mile = <em>49 miles.</em>
Answer:
8
Step-by-step explanation:
when multiplying two negative, it turn into a positive.
<span>8x + 8y = -48
-------------------------
Plug in -8 for x
(8) (-8) + 8y = -48
-------------------------------
Simplify
</span><span><span><span>(8) </span><span>(<span>−8</span>) </span></span>+ <span>8y </span></span>= <span>−<span>48
</span></span><span><span>−64 </span>+ <span>8y </span></span>= <span>−<span>48
</span></span><span><span>8y </span>− 64 </span>= <span>−<span>48
</span></span>-----------------------------------------
Add 64 to each side
<span><span><span>8y </span>− 64 </span>+ 64 </span>= <span><span>−48 </span>+ 64
</span><span>8y </span>= <span>16
</span>---------------------------------------------------
Finally, divide each side by 8
8y ÷ 8 = 16 ÷ 8
y = <span>2
</span>----------------------------------------------------------------
y = 2 is your answer