shakeil345 shakeil345

19-12-2018
Mathematics

contestada

a man's speed with the current is 15km/hr and the speed of the current is 2.5km/hr.the man's speed against the current is

Respuesta :

19-12-2018

Answer:

10 km/h

Step-by-step explanation:

Let s = man's speed and c = speed of current

s + c = 15

c = 2.5 Insert value of c

s + 2.5 = 15 Subtract 2.5 from each side

s = 12.5 km/h

=====

Speed against current

= 12.5 – 2.5

= 10 km/h

Answer Link

Otras preguntas

facts about decoupage

Imagine you had a bar of gold and decided to cut in half. You repeated this process until eventually you could no longer cut the gold in half without splitting

what is the parthenon

The sum of the first 1 million primes is N. Without knowing N's value, one can determine that the ones'digit of N cannot be a. 1 b. 2 c. 3 d. 9

facts about decoupage

what does textual evidence mean

What is something parents can do to encourage volunteering? a. Talk to their children about their interest b. Volunteer themselves c. Suggest a trial run with a

Choose and appropriate metric unit for the height of a giraffe A) Milliliter B) Liter C) Gram D) Meter

The vertex form of the equation of a parabola is y=(x-5)2+16.What is the standard form of the equation? a. y=x2-10x+41 b. y=x2+10x+16 c. y=x2+x+8 d. y=3x2-10x+4

which type of mixture contains the largest particles? 1.colloid 2.solution 3.suspension 4.all particles are the same size