heye0she0iStewards heye0she0iStewards
  • 22-02-2017
  • Mathematics
contestada

Two cars leave a house at the same time. one car travels 60 km/hr north, while the other car travels 40 km/hr east. after 1 hr, how far apart are the cars?

Respuesta :

Hotelbooks22
Hotelbooks22 Hotelbooks22
  • 22-02-2017
They are 20km apart. because in one hour one car would travel 60km and the other 40km and 60-40=20
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 22-02-2017
ok, so now one is 60km up and other is 40km, right
pythagoran theorem
distance between them is hypotonuse
legs are 60km and 40km

so
a²+b²=c²
60²+40²=c²
3600+1600=c²
5200=c²
sqrt both sides
20√13=c or aprox 72.11 km apart
Ver imagen apologiabiology
Answer Link

Otras preguntas

Why did nasa lift its ban on women being astronauts.?
I need help with this.A what eats mostly dead matter?
when an acid and base combine, they react chemically. the result is water and a(n) ___
What is the circumference of a circular courtyard that is 42 ft in diameter? C ≈ 66 ft C = 132π ft C ≈ 132 ft C ≈ 264 ft
Mitosis begins with a _________ cell and ends with _________ cells.
Which substance is an electrolyte? 1)C2H5OH 2)C6H12O6 3)C12H22O11 4)CH3COOH
write a 150-200 word essay on the factors that account for germanys early success in world war 2
What is the connotative meaning of the word aroma in this sentence? The aroma of homemade spaghetti sauce made Terry’s mouth water. an interesting scent a pleas
What defense barrier was built by the qin emperor using conscripted labor?
9 is what percent of 545.8? click to select the correct answer. round answer to the nearest whole number.