Answer:
#3 is 40
#4 is 90
Step-by-step explanation:
Answer:
20,9
Step-by-step explanation:
this is how I did=x=1st, y=2nd; x=4y-16 and x+y=29; thus 4y-16+y=29; 5y-16=29; 5y=45; y=45/5=9, once you know y=9, put in equation, 4y-16=×, (4*9)-16=x, 36-16=x, 20=x
Answer: -1 and 4
Explanation: the others aren’t because they have variables in one and numbers in the other
Answer:
12/7=x
Hope this helps :)
Step-by-step explanation:
1. subtract 7 from both sides of the equation.
2.Simplify.
3. Divide both sides of the equation by the same term.
4.Simplify.
Answer: 109 km/h
Step-by-step explanation:
Hi to answer this question we have to divide the distance traveled by the truck loaded with fruit (689-144) by the time that it took. (5)
Kilometers within the same time
Mathematically speaking:
(689-144)kilometers /5 hours = 109 km/h
Feel free to ask for more if needed or if you did not understand something.