Answer:
$58.25
Step-by-step explanation:
142.20 - 24.50 = 117.50
117.50 / 2 = 58.25
Answer:
1) B- Substitution
2) C- Elimination
3) A- Graphing
Step-by-step explanation:
1)
x+3y=7
5x+11y=3
x = 7 - 3y
Plug this x into the second equation and solve for y first
2)
5x-3y=3 --> (1)
2x+7y=6 --> (2)
Since making any variable the subject would involve fractions, it's better to go for elimination
7(1) + 3(2)
would eliminate y
3)
While comparing cost and adjusting choices, a graph is a better approach because all the possibilities are right in front
Answer:
length 5cm, width 4cm, door width 2/5cm or. 4cm, length 10 ft, width 7.5 ft
Keratin has 32 books.
This is because Maritza has 64, and Hermine has 17.
Total, they have 113 books in all. :)
Answer:
ACD = 120°
Step-by-step explanation:
Exterior angle theorem.
3x = (x + 12) + (x + 28)
3x = 2x + 40
x = 40
ACD = 3x = 3(40) = 120°
