Answer:
basically the number inside the 1st f( )of each problem must be plugged into all the it's in its equation an example would be with the first problem:
Step-by-step explanation:
1st:plug in the number inside the f(x) function into all the x's in the equation so #1 would look like this: f(x)=2-4, then solve for x
2nd your solution for #1 would be f(x)=-2
Using an online standard deviation calculator, the standard deviation is 166.46. When rounded to the nearest 100 it would be 200.
The answer is 188 ! hope this helps!
Let hamburger = fries + 50
2hamburger + 3fries = 1700 **Given**
2(fries+50) + 3fries = 1700
2fries + 100 + 3fries = 1700
5fries = 1600
fries = 320
hamburger = 320 + 50
hamburger = 370 cal
Answer:
9 cups of apple juice
Step-by-step explanation:
The ratio of sparkling water to apple juice is 2:3. You multiply the 2 by 3 to get the 6 cups of sparkling water, so you then multiply the 3 cups of apple juice by 3 to keep the ratio the same. 3 · 3 = 9. Jada uses 9 cups of apple juice. Hope this helps!