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mart [117]
3 years ago
5

During a baseball game, a player’s ball hit into the outfield is modeled by the equation h = –16t2 + 65t. A bird flying across t

he field follows the path modeled by the equation h = 8t + 20. Let t be the time since the ball is hit and h be the height. What do the intersection points of the equations represent?
Mathematics
2 answers:
natka813 [3]3 years ago
7 0
When two graphs intersect, it means something in real-life:

The baseball's flight path and the bird's flight path intersect. 

Therefore, the baseball hits the bird. (Technically, we can see that the baseball would hit the bird twice, but this is not likely.)


ioda3 years ago
3 0

C. the time when the height of the ball and the bird are the same


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Leno4ka [110]
The student is not correct.

Absolute value means distance from zero
|-9| = 9
|4| = 4

Since 9 is greater than 4,
|-9| is greater than |4|

In other words, -9 is further from zero then 4
5 0
3 years ago
20 POINTS!!!! <br> HELPPPPP THIS IS DUE TONIGHT!!!!
alexandr1967 [171]

Step-by-step explanation:

Our coordinates are (6, 0) and (0, -3).

We can use the formula (y₂-y₁)/(x₂-x₁) to find the slope-intercept form (y=mx+b)

Now, we plug the coordinates into the formula and solve.

(0-(-3))/(6-0)

=3/6

=\frac{1}{2}

So, the slope is \frac{1}{2}.

Now, we have to find the y-intercept, which is the point where the line on the graph intersects with the y-axis.

We can find the y-intercept (which is represented by b) by plugging the information we already know into the formula.

We can use either pair of coordinates for the formula, so I'll use (6, 0).

y=mx+b

0=\frac{1}{2}(6)+b

Now, we can solve.

0=3+b

Subtract 3 from both sides.

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Answer:

y=\frac{1}{2}x-3

7 0
2 years ago
Two simple questions
frutty [35]
Oh i love these x=4,y=9
3 0
3 years ago
Whats the figures and how do I find the area?​
iragen [17]

Answer:

This is trapezium.

Area of this figure =1/2h(d1-d2)

1/2×5(14-8)

=30/2

=15cm^2

8 0
3 years ago
How much work is done by a man who uses a force of 7 Newtons to push a box 3 meters across the room?
ElenaW [278]

The formula to calculate work done is -

Work done ( in joule, J) = Force (in Newton) X Distance (in meters)

So, we will use the formula to calculate work done,

Here, force is given as = 7 newtons

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So, work done will be -

Work done ( in joule, J) = 7 Newtons X 3 Meters

<u>Work done ( in joule, J) = 21 J (in joule)</u>


7 0
3 years ago
Read 2 more answers
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