Evaluate the expression x + 12, if x = 4

18
8
16
48

Please help

Step-by-step explanation:

Given that:

To evaluate the expression , we must simply substitute the given value of into the expression:

Add:

-

To check our work, we can set our solution and in the initial expression equal to each other:

Subtract from both sides of the equation:

Since is in fact, the value of , our solution is correct!

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.

22 dimes and 9 nickels

step-by-step explanation: