Cosxsinx-2cosx=0

I dont know how to solve this

Assume that y varies directly with x. If y = - 80 when x = - 5, find y when x = - 3.

Which of these polynomial equations is of least degree and has - 1, 2, and 4 as three of its roots? A) 5x^2 + 2x + 8 = 0 B) (x + 2) (x - 1) (x + 4) = 0 C) x^3 - 5x2 + 2x + 8 = 0 D) x^4 - x^3 - 5x^2 + 2x + 8 = 0

Roslyn has two containers of water for a camping trip. One container holds 2 times as much as the other. The total amount of water is 27 gallons. How much water is in each container?

It takes sam 3 hours to do all of the yard work, but it takes his brother carl only 2 hours. how long, in hours, would take them to do the yard work if they work together?

3m-9n=24; n=-1, 1, 3 solve each equation for m then find the value of m for each value of n

Harriet bought 2kg of potatoes for $1.50 how much would it cost for 1 kg

Bill wants to take 12 lb of chocolate on a trip. If he already has chocolate bars weighing 3 lb 10 oz, and 1 lb 3 oz., how much more does he need to take?

Cora is saving for a vacation. The total cost of the vacation is 1800.36 and she had a year to save the money. How much should she save per month do she can meet her goal?

Use 9 digits to get to the answer 200

Yesterday you borrowed $30 from your brother. every day that you don't pay it back, you owe $2.00 more. so today, day 1, you owe him $32.00; on day 2 you will owe him $34.00; on day 3 you will owe him $36.00, etc.