BenaQ127457 BenaQ127457

30-10-2022
Mathematics

contestada

the train traveled at a speed of 90 mph for 3 hours then slowed down to 72 mph for the next 1 1/2 hours. what is the average speed of the train?

Respuesta :

KleinB400644 KleinB400644

30-10-2022

Speed = total distance / time

Speed = (90x3 + 72 x 1 1/2) / ( 3 +1 1/2)

Speed = ( 270+108 ) / 4 1/2

Speed = 100 mph

Answer Link

Otras preguntas

What problem do African Americans face today because of the justification for slavery used by whites before 1865?

Classify each number below as an integer or not. Thanks!!! :D

A 70 Kg man on a 10 kg bike has 1440 J of kinetic energy. How fast is the man moving?

Melanie receives an annual income of $684 from investing in stocks that earn 6% interest and bonds that earn 8% interest. If the investments were interchanged,

What human cells are not produced from meiosis?

(HATCHET)What is the theme of chapter 13? Cite evidence from chapter 13 that supports your answer. DONT ANSWER IF YOU DONT KNOW IT

You are running a fuel economy study. One of the cars you find is blue. It can travel 41 1/2 on 1 1/4 of gasoline. Another car is red. It can travel 21 3/5 on 4

What is the area of the shaded area

NEED ANSWER ASAP!!!!!!!!!!!!!!!!!!!

How can someone get L. reuteri?