lmolmlm7079 lmolmlm7079

19-04-2018
Mathematics

contestada

Jin ran 400 yards around a track with a circumference of 420pi yards. How many radians did he cover?

Respuesta :

qadassa qadassa

19-04-2018

420pi = 2pi*r

r = 210yards

Radius length when wrapped around circle is 1 Radian, so...

He ran 400yards

Radians covered = 400/210

He covered 1.9 radians

Answer Link

Otras preguntas

The estimated heat of vaporization of diethyl ether using the Chen's rule is A. 29.7 KJ/mol B. 33.5 KJ/mol C. 26.4 KJ/mol D. 36.8 kJ/mol

In a car lift, compressed air exerts a force on a piston with a radius of 2.62 cm. This pressure is transmitted to a second piston with a radius of 10.8 cm. a)

Simplify the expression.(7/10)^3A. 343/1000B. 21/30C.1000/343D.100/7

Two point charges lie along the y-axis. A charge of q1 = -8.5 μC is at y = 6.0 m, and a charge of q2 = -7 μC is at y = -4.0 m. Locate the point (other than infi

Imagine that we roll a fair, six-sided die 1,000 times. Out of 1,000 rolls, how many times do you think the die would come up as an even number? Of the values b

251 - (-17) + (-68) answer with steps

In what part of the spinal cord would you expect to find myelinated axons?

For ΔABC, which one is equivalent to sin(A)? cos(B) sin(B) cos(C) tan(C)

The ________ are responsible for synthesizing most of a human body cell's ATP. A) nucleoli B) ribosomes C) mitochondria

PLS HELP LAST DAY OF APEX a.graph this system of inequalities y<-x+4 y>-x-2 b. How many solutions does this system of inequalities have?