Answer:
Step-by-step explanation:
Total Distance = 392 miles
Total Time = 7 hours
Average Miles / hour = 392 miles / 7 hours
Average Miles / hour = 56 miles per hour
X + 2y = 1 ______×1
4x + y = 11 _____ ×2
x + 2y = 1
8x + 2y = 22
8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21
x = 3
3 + 2y = 1
2y = 2
y = 1
i am a mathematics teacher. if anything to ask please pm me
He is wrong because as long as they have the same terms/ variables behind the number it doesn’t matter about if it is positive or negative
Answer:
<u>200</u>
Step-by-step explanation:
pi · radius · height
3.14 · 8 · 25 = 200
extra : i used symbolab.com :)
Answer:
The 2 answers are 4 and -4
Step-by-step explanation: