How many metres make 1 cm and how to convert m to cm
There are 100 centimeters in 1 meter. To convert meters to centimeters, multiply the number of meters by 100. For example, 2 meters = 2 x 100 = 200 centimeters.
CMIX in Roman numerals
CMIX in Roman numerals is 909.
C = 100
M = 1000
IX = 9 (since I = 1 and X = 10, IX = 9)
Therefore, CMIX = 1000 + 100 - 9 = 909.
CMIX in figure
CMIX in figures is 909.
3/7 of number is 15 find the number
Let's assume that "x" is the number we are trying to find.
If 3/7 of number is 15, we can set up the following equation:
3/7 x = 15
We can solve for "x" by multiplying both sides of the equation by the reciprocal of 3/7, which is 7/3:
(7/3) * (3/7) x = (7/3) * 15
x = 35
Therefore, the number we were looking for is 35.
If the area of a room is 169 cm^2 calculate its perimeter
If we assume that the length of the room is "L" and the width of the room is "W", then we know that the area, A, is given by:
A = L * W
We're told that the area of the room is 169 cm^2, so we can set up the following equation:
169 = L * W
We want to find the perimeter of the room, which is the distance around the outside of the room. The perimeter, P, is given by:
P = 2L + 2W
To find the perimeter of the room, we need to know both the length and the width. We can use the fact that the area is 169 to solve for one of these variables. For example, we could solve for L in terms of W:
169 = L * W
L = 169 / W
Now we can substitute this expression for L into the equation for the perimeter:
P = 2L + 2W
P = 2(169/W) + 2W
P = (338/W) + 2W
To find the value of W that minimizes the perimeter, we can take the derivative of P with respect to W and set it equal to zero:
dP/dW = -338/W^2 + 2 = 0
338/W^2 = 2
W^2 = 169
W = 13
Now that we know the width of the room is 13 cm, we can use the equation we derived earlier to find the length:
L = 169 / W
L = 169 / 13
L = 13
So the length of the room is also 13 cm. Finally, we can calculate the perimeter:
P = 2L + 2W
P = 2(13) + 2(13)
P = 26 + 26
P = 52
Therefore, the perimeter of the room is 52 cm.