Answer:
5400
Step-by-step explanation:
60 min=1 hour
120 min=2 hr
120 x 45=5400
Answer:
12
Step-by-step explanation:
there are 4 prime numbers
5, 11, 13, 19
4/7 were prime
add 5, 11, 13 and 19 together and divide by 4
5+11+13+19
-----------------
4
add
48
----
4
divide top by bottom
=12
Answer:
15 grams .
Step-by-step explanation:
We need to multiply the percentage as a decimal (0.30) with the amount of chocolate (50 g):
0.30*50 = 15 g
There are 15 grams of cocoa in the chocolate bar.
Answer:
Correct option: First one -> 
Step-by-step explanation:
The focus and the vertex have the same x-coordinate, so we have a vertical parabola. The standard equation for this parabola is:

If the vertex is at the origin, we have that:

If the focus is at (0,-3), we have that:





So we equation of the parabola is:


Correct option: First one