Answer:
60
Step-by-step explanation:
To find the mean;
add up the data
(50+60+60+70) =240
Then divide by the number of data points
240/4 = 60
The mean is 60
Answer: Without rounding : 13.64 (square cm)
Rounded answer : 13.6(square cm)
Step-by-step explanation:
We know that the area of a rectangle is given by :-
, where l is the length and w is the width of the rectangle.
Given : The dimensions of a rectangle are 3.1 cm wide and 4.4 cm long.
Then, the area of rectangle will be:-

Therefore, the area of rectangle =
Answer:
5.15625
Step-by-step explanation:
*Multiply the bottom and add the top
*Then divide the top number by the bottom using a calculator to get a decimal.
The soulation is given by s=3 because it makes the value of 3s+12 equal to 21