Answer:
Obtuse triangle.
Step-by-step explanation:
Obtuse = angle that is bigger than 90°
In a quadratic equation, the discriminant<span> helps tell you the number of real solutions to a quadratic equation. The expression used to </span>find the discriminant<span> is the expression located under the radical in the quadratic formula!</span>
They are equal to one another because 4(3+x) can be rewritten using the distributive property as 4(3)+4x or 3+3+3+3+x+x+x+x
He traveled 2080 miles after 4 hours. He covered 3640 miles in 7 hours with a constant speed, so we can calculate the speed: 3640/7=520 miles/hour. After 4 hours, he traveled 520*4=2080 miles.
The answer for your question is 45 cm long
