Step-by-step explanation:

π×4×4×8/3
π×16×8/3
128/3×π
128/3π cm²
Answer:
10/3 hours
Step-by-step explanation:
12x=15x-10
12x-15x=15x-10-15x
-3x=-10
-3x/-3=-10/-3
x=10/3
Visit $25 allergy shot $8
4a + 1v =57
-2a +1v= 9
I will multiply the second by -1 to cancel v variable (elimination method)
4a +1v =57
2a -1v = - 9
add both
6a. = 48
a= 8
4a= 32
32 + v = 57
v= 25
32+25 = 57
-16 +25=9
Question
Sharmila received 81 texts in 9 minutes what is the rate?
Answer:
<h2>
9 : 1</h2>
Step-by-step explanation:
the rate is 81 : 9
semplify
9 : 1 (9 texts x minute)
The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?


The above equation can further be written as:

New mean = 
= 66.09
Therefore, the new mean is 66.09