Posted here:
https://web2.0calc.com/questions/help-plz_7690
1) This isn't true since (ex) 3 is a factor of 6.
2) This isn't true since (ex) 5 is divisible by 25.
3) This is true!
4) This isn't true because 2 is divisible by every even number.
So, 3) is our answer!
Abigail in 1 hour: 1/6 of the lawn
Bob in 1 hour: 1/4 of the lawn
Together in 1 hour: 1/6 + 1/4 = 5/12 of the lawn
They will mow the lawn in 12/5 hours, or 12*12=144 minutes
The answer is 28 days....
On one morning, he will be able to jump to the top in one jump.
Here's a hint!
(101+97)(101-97)=792
(93+89)(93-89)=728
(5+1)(5-1)=24
Notice that the end numbers are always 4, and the pattern. (How the first number decreases)
Hope this helps!
Terms mean any number with different exponents or numbers unable to be added. (5x and 5x^2 for example)
So, 10^2 is a term
I don't know. Alcumus?
Please write out the question completely... I'll try to help when you do! :D
The question isn't complete :(
Check this:
https://brainly.com/question/5371558
Hint:
x+y=xy/18
Now solve this! :D
18x+18y=xy
18x+18y-xy=0
18x+y(18-x)=0
Now solve!
y=18x/(x-18)