-2.2 = x - 4.2

solve for x

2

Step-by-step explanation:

Add 4.2 to both sides

x = 2

Step-by-step explanation:

-2.2 = x - 4.2

x = 2

Hope it helps

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a