A 12% tin alloy is to be melted with an 18% tin alloy. How many kilograms of each tin alloy must be used to obtain 15 kilograms of an alloy that is 14% tin?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?