The speed of ben is 6 m/s greater than the speed of emma. ben rides 100m when emma rides 76 m. what is the speed of ben, x?

The speed of Ben, x= 25m/s

Step-by-step explanation:

Key concept: Ben rides 100 m and Emma rides 76 m in the same time.

Step 1: Suppose, the speed of Ben is x m/s.

Since the speed of Ben is 6 m/s greater than the speed of Emma,  

So the speed of Emma would be (x-6) m/s.

Step 2: Calculate time for each and equate them as follow:

100/x= 76/(x-6)

After cross multiplying, we get:

100(x-6)=76x

100x-76x=600

24x=600

x= 25

answer:

the position of equilibrium will shift to the left.

step-by-step explanation:

the general equation for the dissociation of a weak base is

b + h₂o   ⇌   bh⁺ + oh⁻

according to le châtelier's principle, when a stress is applied to a system at equilibrium, the system will respond in a way that tends to relieve the stress.

if you apply a stress by adding more bh⁺ or oh⁻,   the system will respond by moving in a direction that gets rid of the added ions.

the position of equilibrium will shift to the left, forming more of the undissociated base.

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answer: d.) the total number of protons and neutrons is 15

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