Answer:
The cost of 15 liters is $31.50
Step-by-step explanation:
1. Find the price for 1 liter of petrol.
Divide the cost by the number of liters:
$14.70 / 7 = $2.10 per liter.
2. Multiply the price for 1 liter by the new number of liters, 15.
$2.10 per liter x 15 liters = $31.50
Answer:
You begin with 1 bacteria, and after 1 hour it has tripled so you now have 1 x 3=3.
Next hour, it triples again so you now have 1 x 3 x 3=9
You can see the pattern shows that the number of bacteria is multiplying every hour by a factor of 3. An exponent denotes how many times we are multiplying a number by itself, for example: 34 means we are multiplying the number 3 a total of 4 times (3 x 3 x 3 x 3).
Therefore the question is requiring us to triple the number of bacteria every hour for 24 hours, which means we are multiplying by 3 a total of 24 times. This gives us:
n x 324 where n is the number of bacteria you begin with.
Since you begin with 1 bacteria, the solution is 1 x 3 to the power 24 and u will get ur answer
Answer:
Vertex : (-2,1)
other points : (0,5) & (-4,5)
Step-by-step explanation:
Answer:
-239
Step-by-step explanation:
Answer:
The length of the rectangular park is
and the width of the rectangular park is
Step-by-step explanation:
Let
x ----> the length of the rectangular park
y ---> the width of the rectangular park
we know that
The perimeter is equal to


so
-----> equation A
----> equation B
substitute equation B in equation A and solve for y
Find the value of x

therefore
The length of the rectangular park is
and the width of the rectangular park is