If s is the Riley`s sister`s age and Riley is 3 years older so Riley`s age is:
s/3 so the sum of their ages is:
s + s/3 = 4s/3 :)))
i hope this is helpful
have a nice day
Answer:
C. (10, –7) and (2, –7)
Step-by-step explanation:
I did the same question
Domain: (-∞,∞) or All real numbers
Range: (-∞,∞) or All real numbers
Answer:
8
Step-by-step explanation:
The sum of the internal angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
here n = 5, hence
sum = 180° × 3 = 540°
Each exterior angle plus interior angle = 180°
Subtract each exterior angle from 180 for corresponding interior angle.
180 - 59 = 121, 180 - 77 = 103, 180 - 66 = 114, 180 - 62 = 118
Sum the 4 interior angles and subtract from 540 for 5 th interior angle
5 th = 540° - (121 + 103 + 114 + 118)° = 540° - 456° = 84°
The 5 th interior angle and 12x sum to 180 ( same reason as above )
Hence
12x + 84 = 180 ( subtract 84 from both sides )
12x = 96 ( divide both sides by 12 )
x = 8
Answer:
4, 8, 16.
Step-by-step explanation:
Let the three numbers in GP be 
, where 
. We are given that 
and 
, the latter of which gives ![ra = \sqrt[3]{512} = 8](https://tex.z-dn.net/?f=ra%20%3D%20%5Csqrt%5B3%5D%7B512%7D%20%3D%208)
. So substituting this into the former equation gives 
or
And this gives our answer directly.
