Answer:
15
Step-by-step explanation:
3 + (5 + 7)
Use the order of operations, (parenthesis first).
3 + 12
Add
15
Hope this helps :)
Answer:
the fifth president name was James Monroe
Answer:
Step-by-step explanation:
Let c be cost of each call and t represent cost of each text message.
We have been given that last week Ricki made 4 call and sent 20 text messages which cost him $4.
Cost of 4 calls would be .
Cost of 20 text messages would be
Total cost id $4.00.
We can represent this information in an equation as:
We are also told that this week he made 10 calls and sent 5 text messages which cost him $5.50.
Cost of 10 calls would be .
Cost of 5 text messages would be
Total cost id $5.50.
We can represent this information in an equation as:
Therefore, our required system would be:
<span>1.The length of a rectangle is one more than four times its width. If the perimeter of the rectangle is 62 meters, find the dimensions of the rectangle.
---
P = 2W + 2L = 62
W + L = 31
---
L = 4W+1
Sub for L
W + 4W+1 = 31
5Wb = 30
W = 6, L = 25</span>