Answer:
the answer for this question is X=-1/3
Answer:
26
Step-by-step explanation:
I can be wrong but i most likely sure it is correct because a triangle is 180 degrees you have to add 102 with 52 take that total and subtract it with 180 to find that angle is what you need to find the length. Again i am not sure but might be right.
Answer:
10 ml of a 72% solution, 20 ml of a 54% solution
Step-by-step explanation:
x ml - amount of a 72% solution
y ml - amount of a 54% solution

(1)
(1) 2160-72y+54y=1800
y=20
x=30-y=30-20=10
Answer:
Step-by-step explanation:
Here you go mate
Step 1
6+2x<-18 Equation/Question
Step 2
6+2x<-18 Simplify
-24>2x
Step 3
-24/2=2x/2 Divide by 2
answer
x<-12
490=10·40+15x
490=400+15x
90=15x
x=6
he worked a total of 46 hours