Answer:
(x + 45) / 5
Step-by-step explanation:
Next time, please use parentheses to show which operations need to be done first.
In this case I'm assuming that you have the rational expression
x - 5
--------- + 10
5
This could be simplified by expressing 10 as 50/5, which can be combined with
x - 5
--------
5
as follows:
x - 5 50 x + 45
-------- + ------ = ---------------
5 5 5
The answer is C y=4x-3
From the table we can just substitute in the x and y values and see what equation holds true. And that is C. y=4x-3
Answer:
x=8
Step-by-step explanation:
p=(l+b)
140=2(x+4x-2)
140=2(9x-2)
140=18x-4
140+4=18x
144=18x
144/18=x
8=x
C - is a hypotenuse,
so we can use Pythagorean theorem.
c² =a² +b²
c² = 8²+12²=64 + 144 = 16*4 +16*9=16(4+9) =16*13
c²=16*13
c=√(16*13)=√16*√13=4√13
c=4√13
Answer C. 4√13
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