sucx2bu sucx2bu

03-04-2022
Mathematics

contestada

10 Cecelia took 40 minutes to complete a journey. She travelled half the distance at a speed of 100 km/h and the other half at 60 km/h. How far was her journey?

Respuesta :

ortegalogan8 ortegalogan8

03-04-2022

40 min = 40/60 hr = 2/3 hr

Distance = x km

t=distance/speed

x/200+x/120=2/3

multiply by 6oo

3x+5x=400

8x=400

x = 400/8=50km

The journey is for 50km

pls giive brainliest\

Answer Link

Otras preguntas

21.Why are throttling devices commonly used in refrigeration and air-conditioning applications?

Can you please help #6 GRADE

Lets give some advice to the incoming freshmen, using the subjunctive.In bullet point form list 20 things they should do in highs school. Make sure you start ea

please help me find this equation :)

13.12 / .10 equals what please help me

Which takes longer, primary or secondary succession? explain why

Which pair of angles have congruent values for the sin x° and the cos y°? A. 42°; 42°B. 42°; 48°C. 42°; 138°D. 42°; 132°

State one effect the reintroduction of the wolf may have on the coyote population within the Adirondacks effect. Explain why it would have this

what is the surface area of a cone in terms of pi with a diameter of 14cm and a slant height of 20cm

What is the value of x?