Answer 1) x = 7 so in 7 months
2) 43,425 + 75x = 45,000 - 150x
Step-by-step explanation:
basically town A is gaining 75 people monthly and town B is decreasing 150 monthly so 43,425 + 75x = 45,000 - 150x and then you find out in 7 months both town will have equal population hope i helped
Answer:
Yes, you can square a negative number. In fact, any number at all can be squared, even numbers like pi and 0. This is because to square a number just means to multiply it by itself. ... Note that this is positive because when you multiply two negative numbers you get a positive result.
Step-by-step explanation:
number 2
Answer:
3
Step-by-step explanation:
the equation would be 5 = 3(3) - 4
which is 9 - 4 = 5
46 hours after 9:30 p.m. on Friday will be J. 7:30 p.m. Sunday.
Since 46 hours is almost two days, you just need to take away those two hours, and you will get the time you need, two days after the original day.
Answer:
<u>9x² + 42x + 49</u>
Step-by-step explanation:
<u>Identity</u>
In this case, x = 3x and a = 7, so <u>substitute</u> the values.
- (3x + 7)²
- (3x)² + 2(3x)(7) + (7)²
- <u>9x² + 42x + 49</u>