Answer:
The radius 10 cm
Step-by-step explanation:
∵ The volume of the cone = 1/3 πr²h
∵ v = 1256 cm³
∵ h = 12 cm
∴ 1256 = 1/3 π (12) r²
∴ r² = 1256 × 3/12π = 100 cm
∴ r = √100 = 10 cm
Answer:
A).
B). y =
Step-by-step explanation:
Question (1)
A). If every block of the given figure represents ,
Measure of x =
= 1
Measure of y =
=
Since,
Therefore, there is a decrease of .
B). Measure of each box =
y =
x =
y =
Here is a kind of simplified version: -6 1/4 + 2 1/8
Answer:
width : 2m²
perimeter: 20m
Step-by-step explanation:
area = length x width
16m² = 8m x
=
width = 2m
perimeter = length + length + width + width
perimeter = 8 + 8 + 2+ 2
perimeter = 20m
It takes the runner 11 and a half minutes to run one mile. 1mile = 11.5 min.