Algebraic expression: 100 = 25 + n
Answer: n = 75
First, Rico walked for 3/10 of a mile which is 30/100 of a mile.
Hen, Rico walked for 24/100 of a mile.
Then you add 24/100 and 30/100. 24+30/100 which is 54/100.
Answer=54/100 of a mile
Step-by-step explanation:
So for this question just substitute the value and work out. I thought it it to the power of 2 as I can't tell from the question.
Answer:
1.54 m
Step-by-step explanation:
Given information:
<u>Three groups of students</u>
- 20 students with a height of 1.67 m
- 16 students with a height of 1.50 m
- 14 students with a height of 1.40 m
⇒ Total number of students = 20 + 16 + 14 = 50
To find the <u>mean height</u> of all the students, <u>divide</u> the <u>sum of all the students' heights</u> by the <u>total number of students</u>:

Therefore, the mean height of all the students is 1.54 m
Answer:
It would be (1,-1)
Step-by-step explanation: