What is the value if x in the solution to this system of equations?

Y+2x=-1

Y=1/2xt4

Drag an answer to each box to complete this paragraph proof. Given: Triangle PQR with m∠P = (x) ° , m∠Q = (3x) ° , and m∠R = (5x) ° . Prove: x = 20 By the triangle sum theorem, the sum of the angles in a triangle is equal to 180°.

Three tenths times twelve

To find the difference of 7 - 3 5/12, how do you rename 7?

Every 1/2 hour Naomi stretches her neck; every 1/3 hour we stretches her legs and every 1/6 hour she stretches her arms. Which parts of her body will Naomi stretch when 2/3 of an hour has passed?

Roys car gets an average gas mileage of 29mi/gal. Roy starts his trip with 12 gal of gas. How many gallons of gas are left after a 140 mile trip? (only an algebraic solution can receive full credit)

Area of a rectangle 12 by 10

If OR is the angle bisector of POQ, and POQ = 94°, what is the measure of POR?

The mean temperature for the first 4 days in January was 7°C. The mean temperature for the first 5 days in January was 9°C. What was the temperature on the 5th day?

The taxi fare in gotham city is $2.40 for the first additional mileage charged at the rate $0.20 for each additional 0.1 mile. you plan to give the driver a $2 tip. how many miles can you ride for $10?

What is the expression for add g to 4, then subtract 5 from the result?