Un objeto de 8kg se desliza por un plano inclinado, que forma un ángulo de 30º con la horizontal. Si el objeto inicialmente se encontraba en reposo y a una altura de 12m. Aplica el principio de conservación de la energía y determina la velocidad con que el objeto llega al final del plano, si no hay rozamiento.

Find an equation for the linear function which has slope -10 and x-intercept -7

Someone answer asap for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?