The length of a room is 19 1/2 feet. When using 1 /4 inch = 1 foot scale, what would be the length of the wall on a floor plan?

Mathematics

2 answers:

erastovalidia [21]3 years ago

4 0

Answer:

234 inches

Step-by-step explanation:

There are 12 inches per foot 12/4 =1/4 inch

1/4 x 4 x 12 x 19.5 = 234inches.

Luba_88 [7]3 years ago

4 0

5 inches. once you divide 19 into 4 sections you have 16 feet used up with 3 feet and 1/2 a foot left to simplify. these 3 feet will equal 3/4 an inch and the half a foot will equate to half of the fourth inch (2/8). we add the 4 from simplifying to 16, add 3/4 an inch or 6/8 from the 3 feet, then add 2/8 from the half foot. this will equal 5 inches.

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The height H of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 9

mariarad [96]

Answer:

The ball will be 84 feet above the ground 1.125 seconds and 4.5 seconds after launch.

Step-by-step explanation:

Statement is incorrect. Correct form is presented below:

The height $h(t)$ of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 90 feet per second is given by equation $h(t) = 3 +90\cdot t -16\cdot t^{2}$ , where $t$ is time in seconds. After how many seconds will the ball be 84 feet above the ground.

We equalize the kinematic formula to 84 feet and solve the resulting second-order polynomial by Quadratic Formula to determine the instants associated with such height:

$3+90\cdot t -16\cdot t^{2} = 84$