Bentuk sederhana dari bilangan berikut adalah … (5ₓ⁵ + 3ₓ⁴ - 4ₓ³ + 2ₓ² - 6ₓ - 12) + (3ₓ⁵ + ₓ⁴ + 2ₓ³ + 2ₓ² + 8ₓ + 6) (2ₓ⁵ + 3ₓ⁴ ₋ 4ₓ³ + ₓ² ₋ 10)

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.