Answer:
y=7 and x=-8
Step-by-step explanation:
Isolate x in the first equation:
10x=-17-9y
x=(-17-9y)/10
Substitute into the second equation:
7*((-17-9y)/`10)+10y=14
-119/10+37y/10=14
-119+37y=140
37y=259
y=7
Putting this into the first equation, we get that x=-8
Answer:
200 mi
Step-by-step explanation:
distance = rate times time. In this situation, max. dist. = (50 mph)(4 hrs) = 200 mi.
The sum of two polynomials (polynomial plus polynomial) will always result in another polynomial
31,830,000 in scientific notation is 3.183×10 to the seventh.