Answer:
8 feet
Step-by-step explanation:
Using the scale of 3/8 inch = 1 foot, we can set up a proportion (equivalent ratios) to find the number of feet equal to 3 inches:
Cross-multiply: 0.375x = 3
Divide by 0.375: 0.375x/0.375 = 3/0.375
x = 8 feet
10
Explanation:
36 cards can fit onto 9 pages, but that leaves one card out. To fit all 37, he would need 10 pages.
In a nutshell, .
A composition is operation between function that consist in replacing the independent variable of the first function, in this case, for . Common notations for composition between functions are and . If we know that and , then .
1
-1 to the power of 2 is 1
1 times 3 is 3
2 times -1 is -2
3+(-2)=1