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maw [93]
3 years ago
10

A soccer ball is kicked into the air from the ground. If the ball reaches a maximum height of 25 ft and spends a total of 2.5 s

in the air, which equation models the height of the ball correctly? Assume that acceleration due to gravity is –16 ft/s2.
Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
6 0

Answer: the answer is A

Step-by-step explanation:

OLga [1]3 years ago
4 0
Hello,

g=9.81m/s²= 9.81/0.3048 =32.18.. ft/s² rounded to 32

h=-g/2*t²+vt+h0
if t=0,h=0 ==>h0=0

==>h=-16*t²+vt
50 ft in 2.5s ==> 25 ft in 1.25s

25=-16*1.25²+v*1.25
==>v=50/1.25=40

Equation h=-16t²+40*t


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when justin goes to work he drives at an average speed of 65 mph. it takes about 1 hour and 30 minutes for justin to arrive at w
Artyom0805 [142]
No it would be 91.25

4 0
3 years ago
Which graph describes the relation {(5, 1), (1, –2), (0, –1), (–3, 2)}?
UNO [17]

The graph represents a relation provided  R =  {(5, 1), (1, –2), (0, –1), (–3, 2)}

<h3>What is an ordered double?</h3>

It is defined as a representation of coordinates in a two-dimensional coordinate plane. It has a list of two elements in it, such as (x, y).

We have a relation:

R = {(5, 1), (1, –2), (0, –1), (–3, 2)}

We can represent it on a coordinate plane as (x, y)

After plotting on a coordinate plane we will get a graph of a relation

R =  {(5, 1), (1, –2), (0, –1), (–3, 2)}

Thus, the graph represents a relation provided  R =  {(5, 1), (1, –2), (0, –1), (–3, 2)}

Learn more about the ordered double here:

brainly.com/question/10757890

#SPJ1

6 0
2 years ago
The measure of angle A is 15°, and the length of side
dangina [55]

Answer:

Part 1) AB=30.9\ units

Part 2) AC=29.9\ units

Step-by-step explanation:

The picture of the question in the attached figure

Part 1

Find the length side AB

we know that

sin(A)=\frac{BC}{AB} ----> by SOH (opposite side divided by the hypotenuse)

substitute the given values

sin(15^o)=\frac{8}{AB}

solve for AB

AB=\frac{8}{sin(15^o)}=30.9\ units

Part 2

Find the length side AC

we know that

tan(A)=\frac{BC}{AC} ----> by TOA (opposite side divided by the adjacent side)

substitute the given values

tan(15^o)=\frac{8}{AC}

solve for AC

AC=\frac{8}{tan(15^o)}=29.9\ units

8 0
3 years ago
. Find the value of x. If necessary, round to the nearest tenth. 6.9 in. 9.7 in. 11.7 in. 13.7 in.
solong [7]
I think the answer is -12
7 0
4 years ago
Enter the value of x 1.5 2.5 of a right triangle
vekshin1
If 1.5 and 2.5 are the height and base, then just use Pythagorean theorem,
7 0
3 years ago
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