-2(-5)^2 + 7
-2 • 5^2 + 7
-2 • 25 + 7
-50 + 7
-43
Construction.
When construction workers need measurements that are fractions they need to be able to multiply/add/subtract/divide all of those different fractions and mixed numbers.
I hope I was able to help. Best of luck.
Answer:
h=7
Step-by-step explanation:
may be rewritten as
as adding a negative is the same as subtracting a positive.
To solve, add 3 to both sides.
Answer:
180
Step-by-step explanation:
1%=3
25%=75
15%=45
100-(25+15)=60
60%=60*3=180
C. Convection
Explanation: Convection heat transfer creates wind because hotter, less dense air rises, while colder, more dense air moves downward. This movement of heated and cooled air is wind.
