Take 28% of 500 which is 140 then add that to 500.
The answer is 640.
Answer:
Step-by-step explanation:
(2+3root7)(5−2root7)
=(2+3root7)(5+−2o2rt7)
=(2)(5)+(2)(−2o2rt7)+(3root7)(5)+(3root7)(−2o2rt7)
=10−4o2rt7+15o2rt7−6o4r2t14
=−6o4r2t14+11o2rt7+10
Answer:
-40
Step-by-step explanation:
f(10)=-4(10)
f(10)=-40
Answer:
20/7 dollars per hour
Step-by-step explanation:
He pays 10 dollars per 3 1/2 hours. To find the unit rate, we divide the two.
10 / (3 1/2) =
10 / (7/2) =
(10/1) x (2/7) =
20/7
Do you know how to solve algebra? If so just solve for X. If you get an invalid equation then 0 solutions, if you get x equaling 1 number then 1 solution, if you get x equaling 2 numbers then 2 solutions, and so on.