Answer:32cm
Step-by-step explanation:
Length=L
Area=64
Area=L x L
64=L^2
L^2=64
Take them square root of both sides
√(L^2)=√(64)
L=8
Perimeter of square=4 x L
Perimeter of square=4 x 8
Perimeter of square=32
Perimeter =32cm
Answer:
4x-3y=5
Step-by-step explanation:

YOU CAN EVEN WRITE IT IN THE FRACTION FORM .
BE REMINDED THAT <> CHANGE SIGN WHEN YOU DIVIDE OR MULTIPLY A NEGATIVE NUMBER ONLY.
HOPE THIS HELPS
Answer:
- The interval [9, 10] is 1,375% greater than the interval [5, 8].
- The interval [9, 10] is 14.75 times greater than the interval [5, 8].
Step-by-step explanation:
1. To solve this problem you must apply the following formula:

2. Let's calculate the average rate of change of each interval:
a) Interval [9,10]:

b) Interval [5,8]:

3. The difference is:

4. In percentage:

5. You have that the interval [9,10] is 14.75 times greater than the interval [5,8], as you can see below:

Answer:
10 teachers
Step-by-step explanation:
Looking at the data provided, we can conclude that for 1800 students, there are 90 teachers.
1:20
When more teachers arrive, it then becomes, for every 1800 students, there are 100 teachers.
1:18
10 more teachers have now joined the school.