Question

is there anyone to help me??????????

Answer 1

if a rock falls from a height of 100 meters above the ground the height(h) after x seconds is approximately h=100-4.9x^2.what is the height of the rock after 2 seconds.(round to the nearest 10th).

Answer 2

show full work please..............

Answer 3

replace x by 2 and see what you get

Answer 4

3.96

Answer 5

\[100-4.9x^2\]
\[100-4.9(2)^2\]

Answer 6

is my answer correct

Answer 7

\[100-4.9\times 4=80.4\]

Answer 8

only the 2 gets squared, not the 4.9

Answer 9

okayyy

Answer 10

the old "order o' operations" exponents first, then multiplication