Proportions have two fractions so the answer is ratios.
Hope it helps :)
Answer: x=38/7
Step-by-step explanation:
If you mix 1 liter of the 10% solution with 1 liter of the 30% solution, you will have 2 liters of 20% solution. Keeping that in mind, you must mix half of the number of liters with 10%, and the other half with 30% in order to get 20%. So knowing all those things, we can do the problem. She needs 15 liters of 20%, so you need to mix 7.5 liters of 10% with 7.5 liters of 30%. After mixing those, you'll have 15 liters of 20% solution. I hope this helps. Please put as brainliest.
Answer:
Step-by-step explanation:
The graph shows the profile of your parabolic listening device,
Answer:
<h2>No</h2>
Step-by-step explanation:
A function is a relation between sets that associates to every element of a first set exactly one element of the second set.
Each element from the first set is assigned exactly one element from the second set.
It's not a function, because for 0 are assigned two elements 1 and 3.
