Giá p và sản lượng bán ra x của một loại hàng hóa có quan hệ là p^2x+X^2=2000 . Áp dụng vi phân toàn phần cho biết giá hàng hóa thay đổi như thế nào
khi sản lượng bán ra tăng từ 20 lên 20,5 đơn vị sản phẩm.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

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?