If a rock falls from a height of 44 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 44 - 4.9x². (a) What is the height of the rock when x = 1.3 seconds?
meters.
The height of the rock when x = 1.3 seconds is
(Round to three decimal places as needed.)
(b) When is the height of the rock 13 meters?
seconds
The height of the rock is 13 meters when x
(Round to two decimal places as needed.)
(c) When does the rock strike the ground?
The rock strikes the ground when x seconds.
(Round to two decimal places as needed.)

so firstly, we need to isolate the y variables to be able to solve these inequalities. firstly, add 0.5x on both sides of the first inequality and subtract 1.5x on both sides of the second inequality:

now since the slope is positive for the first inequality, this means that the line going upwards belongs to the first inequality, and the line going downwards belongs to the second inequality.

next, since y ≥ in the first inequality, this means that the shaded region will be above the first inequality's line, thus shading regions a and b.

next, since y ≤ in the second inequality, this means that the shaded region is going to be below this line, thus shading regions a and c.

since both lines shade region a, this means that region a is the solution.

step-by-step explanation:

mark brainliest!

600,000,000,000, or 6e14

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.