The mean is the average...to find the mean, add up all the numbers, then divide by how many numbers there are.
Example :
ur set of numbers : 1,2,3,4
add up all the numbers and divide by how many there are :
(1 + 2 + 3 + 4) / 4 = 10/4 = 2.5...so 2.5 is ur mean (average)
the answer is b. the rest is so it can be enough charecters so i can post this answer
Answer:
5(7) means 5x7 because between 5 and (7) is an invisable x or * which means multiply 5 and 7 so the answer is 35.
Step-by-step explanation:
Both triangles area:
4.2 x 8.2 = 34.44
you don’t need to divide by two cause there’s two triangles anyways.
also, you get 8.2 by subtracting the total length by the top length. (13.5-5.3)
rectangle:
4.2 x 5.3 = 22.26
the total area is 56.7cm squared
Answer:
im sorry but i dont understand what your say can you be more specific
Step-by-step explanation:
