Answer:
31
Step-by-step explanation:
45 + (-14)
45 - 14
=31
+ x - = -
Density= population/area
x= 4.2×10^5/ 1.32×10^2
x= 3181.81 people per square miles
Answer:
B) Triangle 2
Step-by-step explanation:
Triangle 2 is rotated and in the counterclockwise direction.
9514 1404 393
Answer:
Step-by-step explanation:
Let q represent the number of quarters. Then the number of nickels is 68-q, and the number of cents in the jar is ...
25q +5(68 -q) = 800
20q +340 = 800 . . . . simplify
20q = 460 . . . . . . . . subtract 340
q = 23 . . . . . . . . . . . divide by 20; this is the number of quarters
68-q = 45 . . . . . . . find the number of nickels
The jar contains 23 quarters and 45 nickels.
Answer:
50
Step-by-step explanation: