Cos 12 = sin (90 - 12) = sin 78
the ratio of zinc to copper is 3 to 14, that menas that for each 3 grams of zinc there are 14 grams of copper, so we can made a rule of three to find
Answer:
slope = 4
Step-by-step explanation:
slope is the coefficient attached to the x variable: thus the 4
so slope is 4 after you distribute the 4 to x and 8 and add 3
Answer:
there are 18 girls in the class but i dont know what(Ē X = 30
) is
5 = 30
x=50
Step-by-step explanation: