Help me with this please

1)

17/20 will have the same value as 1D.

To get this

given D=1

Substitute that into the equation..

you have

E=17/20

To verify this... input E=17/20 into the original equation to see if you will get 1D

17/20 =17/20D

Multiply through by 20/17

You'll have D=1.

So

17/20E will have the same value as 1U.S dollar.

2)

20/17US dollar will Equal 1E.

Solving arithmetically

Given E=1.

Find D subject

your have

D=20E/17

E=1

D=20/17

To verify this answer

substitute D=20/17 and see if you'll get 1E

E=17/20D

E=17/20 x 20/17

E=1.

Conclusion

20/17D will have the same value as 1E

Making

constant acceleration- a

constant velocity- c

no velocity or acceleration- b

explanation:

for body moving with a constant acceleration, the rate of change of displacement changes over time. this is proven by the increasing gradient of the curve (a) against time.

a body that is moving at constant velocity covers equal distances over equal periods of time, thus the straight line with a constant gradient c.

a stationary body   covers no displacement as time elapses. thus the flat line with   zero gradient.

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step-by-step explanation: