Answer:
1km=1000m 160m=0.160x4=0.64
Step-by-step explanation:
Ifl = 160m, then:
P = 4 * 160m\\P = 640m
Thus, the perimeter of the base of the pyramid is 640m.
On the other hand, by definition: 1Km = 1000m
By making a rule of three we have:
1Km ---------> 1000m
x --------------> 640m
Where "x" represents the perimeter of the base of the pyramid in Km.
x = \frac {640 * 1} {1000}\\x = 0.64km
Answer:
$360.
Step-by-step explanation:
First we need to find how much it costs for a single case of printer paper.
48 ÷ 2 = 24
It costs $24 to buy one case of 12 packages.
Now we have to figure out how many cases we will need to buy for the total amount of 180 packages.
I will divide 12 from 180.
180/12 = 15.
You will need to buy 15 cases to get 180 packages.
Now to find the cost, we have to multiply.
x = 15 (amount of cases)
y = $24 (price of case)
z = How much it costs.

Substitute:

Multiply:


If the price does not change, the total cost of next month's order will be $360.
Rate of interest will be 108%
Answer:
B: 81π inches
Step-by-step explanation:
The formula for the circumference of a circle is C = πd and the formula for the area of a circle is A = πr²
- The formula for the circumference of a circle can also be written as C = 2πr since the diameter is equal to double the radius (d = 2r)
- So we need to solve for r since that is the variable we are missing in order to solve for the area
Plugging in our known values to the circumference formula we have:
- 18π = 2πr
- Then dividing both sides by 2π we have 9 = r
Now that we have solved for the radius, we can plug in this value to the area formula: