First you need to simplify it so
5 7/8 = 5x8=40 40+7=47 so at the moment you have 47/8
then do
11/4 is fine so find the common denominator
in this case its 8 so 4x2=8 and then 11x2=22 so you have 47/8-22/8
which = 25/8 then you simplify and you get <em><u>3 1/8</u></em>
Answer:
g = -2
Step-by-step explanation:
g = -5r + 13
r = 3
You substitute three for r in the equation.
--------------------------------------------------------------
g = -5(3) + 13
--------------------------------------------------------------
Distribute -5 to 3
--------------------------------------------------------------
g = -15 + 13
--------------------------------------------------------------
Solve
-------------------------------------------------------------
g = -15 + 13
-15 + 13 = -2
g = -2
Answer:
Unit rate by which the runner completed the marathon is 0.13 miles per minute.
Step-by-step explanation:
A runner competed a marathon of 26.2 miles in 210 minutes.
we can get unit rate by unitary method.
∵ In 210 minutes a runner completes the distance = 26.2 miles
∴ In 1 minute runner will complete the distance =
= 0.125 miles per minute
≈ 0.13 miles per minute
Therefore, unit rate by which the runner completed the marathon is 0.13 miles per minute.
So for the first one it is (x-3)(x+3) this is because it is a difference of squares so you square root the 9 and the minus you do both +and - in order to keep up the -9
The zeros are:x=3 and x=-3 ( this is because you change the sign in the bracket
the others should be pretty simple to do for number 2 its a complex
the third is a simple trinomial
and fourth is simple trinomial as well