Answer:
Given the ratio of copper and zinc in an alloy is 5:3.
Let weight of copper and zinc be 5x and 3x.
Then according to the problem we have,
5x=30.5
or, x=6.1
Then weight of zinc is 3×6.1=18.3 g.
pls give brainlist
Step-by-step explanation:
Answer
Tara puts 4 pennies if Sam puts 1 but Sam put 10 pennies in all so you multiply 10 by 4 and that gives you 40
Step-by-step explanation:
Answer:
39.4°
Step-by-step explanation:
The tangent of the angle is the ratio of its opposite side (XY) to its adjacent side (YZ).
tan(Z) = XY/YZ = 12.4/15.1
∠Z = arctan(12.4/15.1)
∠Z ≈ 39.4°
