Answer: 1- 36 and 45 LCM is 180
2- 42 and 105 LCM is 210
3- 254 and 231. I kept on getting 58674 so I don’t really know what the answer is, sorry
Answer:
5 hot dogs and 9 cookies
Step-by-step explanation:
1.5(5)+0.75(9)<15
7.5+6.75=14.25
If 25 students took an exam and 4 of the students that took the exam failed, what percent of the students passed?
To find out how many students passed, we can subtract 4 from 25 and we will get a difference of 21.
The fraction
represents the number of students who passed the exam out of all the students.
To find out what percent of the students passed, we can turn
into a percent.
21 ÷ 25 = 0.84
0.84 × 100 = 84%
Therefore, 84% of the students who took the exam passed.
Answer:

Step-by-step explanation:
The scientific notation:

We have:

Answer:
4
Step-by-step explanation:
(x)^2+(1/x)^2=18
(x-1/x)^2+2x.1/x=18
(x-1/x)^2+2=18
(x-1/x)^2=16
(x-1/x)^2=4^2
x-1/x=4