Answer:
x= 4 and y= 11
Step-by-step explanation:
The problem to solve is:
y = 2x + 3 (equation 1)
y = 3x - 1 (equation 2)
Since y = 3x - 1 Solve x from equalution 1
3x - 1 = 2x + 3
3x - 2x = 3 + 1
x = 4
Since x is 4, solve for y
y = 3x - 1
y = 3(4) - 1
y = 12 -1
y = 11
x =4 and y =7
Use long addition to evaluate: the answer is 18
Answer:
A) 420 seconds = 7 minutes
B) 8 times
Step-by-step explanation:
A) After how many second would all three things happen together again?
Solution:
His clock ticked every 5 seconds , a tap was dripping every 7 seconds and his pet dog snored every 12 seconds. It all happens simultaneously = 5*7*12=420 seconds
B) How many times would all three things happen together again between midnight and one o'clock
Since all these events happen together after every 420 sec = 7 mins and there are 60 mins between midnight and 1 o'çlock , thus 60/7 = 8 times ....
I’m pretty sure it’s the second one if not I’m so sorry
Explanation is in a file
bit.
ly/3a8Nt8n