Mathematics, 03.07.2019 17:50 YoVeoAnime

Aballoon is released on top of a building. the graph shows the height of the balloon over time. what does the slope and y-intercept reveal about the situation?

Aballoon is released on top of a building. the graph shows the height of the balloon over time. what

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Answer from: sportie59

C. The balloon starts at a height of 500 ft and rises at a rate of 150 ft.

Step-by-step explanation:

We have been given a graph which represents the height of the balloon over time.

We can see from our graph that y-intercept, which represents the height of the balloon (in thousand feet) at time equals zero, is 0.5. To find the correct y-intercept we will multiply 0.5 by 1000 as height of the balloon is given in thousand feet.

$\text{y-intercept}=(0.5\times 1000)\text{ feet}=500\text{ feet}$

Therefore, y-intercept represents that the balloon starts at a height of 500 feet.

Now let us find slope of our given line using slope formula.

$\text{Slope}=\frac{y_2-y_1}{x_2-x_1}$

y_2-y_1 is vertical change or rise.

x_2-x_1 is horizontal change or run.

Upon substituting given values in above formula we will get,

$\text{Slope}=\frac{3.5-0.5}{20-0}$

$\text{Slope}=\frac{3}{20}$

$\text{Slope}=0.15$

Now let us multiply 0.15 by 1000 as height of balloon is given in thousand feet.

$\text{Slope}=0.15\times 1000=150$

Therefore, slope of our line is 150 which means that height of balloon is increasing 150 feet per second or balloon is rising at a rate of 150 feet per second.

Upon looking at our given options we can see that option C is the correct choice.

Answer from: anna40794

The slope is (change in y)/(change in x). Taking (0, 0.5) and (10, 2) since the x axis is horizontal and the y axis vertical, we get the slope to be (2-0.5)/(10-0)=
1.5/10=3/20=0.15. Since it's based off of 1000 feet, we multiply 0.15 by 1000 to get 150 as the rate of change for every x value. In addition, since we start at 0.5, 1000*0.5=500 and we therefore start at 500 ft. Using the information we have, we therefore have C as our answer

Answer from: Quest

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.
In the diagram below, ab is parallel to cd. what is the value y? a.150b.50c.60d.30

Answer from: Quest

$\dfrac{p}{4}$ or $\dfrac{1}{4}p$

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is $\dfrac{p}{4}$ or $\dfrac{1}{4}p$

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