Answer:
(49 - 29) + 1 =(50 - 29)
Step-by-step explanation:
The 20 comes from the subtraction of 29 in both sides of the previous step equality. In the following, I transcript the complete procedure and I add the step that you need to understand why 20 appears (in bold numbers):
29+20=49
49+1=50
(49 - 29) + 1 =(50 - 29)
20+1=21
50-29=21
hence, it was only nesseraty to subtract 29
Answer:
5.5x+7.146 (the six is repeating)
Step-by-step explanation:
Answer:
5m+41n
Step-by-step explanation:
4(2m+5n)-3(m-7n)
8m+20n-3m+21n
8m-3m+20n+21n
5m+20n+21n
5m+41n
Please mark me as Brainliest if you're satisfied with the answer.
Answer:
Problem 1 -Rectangle
Problem 2- Not sure how to describe, but here's an approximate picture
A = 30,000 - 2000m where A=altitude and m = number of minutes
After 5 minutes A ( altitude) = 30,000 - 2000(5) = 20,000 feet
