Answer:
f(3) = 9
Step-by-step explanation:
Step 1: Define
f(x) = -2x + 15
x = 3
Step 2: Substitute and Evaluate
f(3) = -2(3) + 15
f(3) = -6 + 15
f(3) = 9
Answer:
17/20
Step-by-step explanation:
Probability is actually very fun once you understand it. So, you know that the bag contains 20 marbles. You also know that only 3 of those 20 are yellow. Subtract 3 from 20 and you get 17, which is your answer. Hope this helped, and let me know if you need any more help!
Answer:
look at the photo
...................................
Answer:
Amount of money paid by each student is equal to 
Step-by-step explanation:
Given: A group of children bought
presents that cost
each and a card that cost
.
To find: amount of money each student paid in terms of 
Solution:
Cost of each present 
Cost of
presents 
Cost of a card 
Therefore,
Amount of money paid by each student in terms of
= Cost of
presents + Cost of a card
