The reflection across the x-axis is (2,-4).
Answer:
Alloy = 12.6 lbs.
Step-by-step explanation:
( 2/7 ) = ( Nickel /4.9)
Nickel = 1.4 lbs.
Ratio of Copper to Zinc:
( 9/7 ) = ( Copper /4.9)
Copper = 6.3 lbs.
Alloy = Zinc + Nickel + Copper
Alloy = 4.9 lbs. + 1.4 lbs. + 6.3 lbs.
Alloy = 12.6 lbs.
x = 3g + 2
- 2 - 2
x - 2 = 3g
÷ 3 ÷ 3
x - 2 ÷ 3 = g
Answer:
(2n / n^2 + 7) - 3 i think
Step-by-step explanation:
hope this helped a little bit :))